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USER`S MANUAL XTC Critical Pressure Transmitters Model 345

1. Notes Filled Blowdown Reference N Valve 1 Transmitter may be mounted at or below the __ Line minimum level to be measured S 2 Open or vented vessels require only a high pressure Max Level N HP connection VN 3 High pressure line senses static pressure plus level INA 1 Low pressure line senses pressure only The two 70H pressures oppose each other canceling the effect Min Level a o4 ih of static pressure 4 Distance X can be any distance since both high Flange on High yi Plugged T low Vigo is jas equal i E i illing T orces which cancel the forces create this Side 5 Entire length of low pressure pipe is kept full of Closed Tank Condensing Atmosphere Level Measurement condensate to act as a reference 6 See Appendix D for information on calculating X03043S0 suppressed and elevated zero ranges FIGURE 4 5 Open and Closed Tank Level Measurement Flange Mounted Differential Transmitters 4 3 4 Transmitter Operating Mode and Network Type The transmitter outputs a 4 20 mA signal for input to an I O module controller recorder or other device The analog operating mode uses the Point to Point type of network shown in Figures 4 6 4 7 and 4 8 e Point to Point network is used comprising a transmitter Primary Secondary Master and other non signaling devices The Multi Drop network is not supported e Each transmitter is factory configured and the p
2. Bench Power e 250 S Transmitter Terminals Note Ex apt ole Loop current can also be ODODO 0 2 2 displayed on optional U MES mE Smart Display in 0 100956 FIGURE 7 1 Bench Test Connections Digital 5 Milliammeter _ 5 Circuit Junction 1 See Note 1 Controller OR f Recorder Z E d 25 i E Indicator or 250 other 1 5 Vdc id Device Q Transmitter 4 2 Terminals System Power lt TIE Supply Notes Mmmm 1 Remove jumper between Circuit Junction terminals 1 and 2 and connect DMM as shown Reconnect jumper after disconnecting DMM 2 Loop current can also be shown on transmitter s optional Smart Display in 0 100926 FIGURE 7 2 Field Test Connections 7 2 August 2000 UM345 1 CALIBRATION AND MAINTENANCE 7 1 2 Zero Trim The transmitter is calibrated at the factory in a vertical position nameplate up If a transmitter is installed or will be installed in another orientation it may need recalibration to eliminate position induced zero shift depending upon transmitter type and direction of rotation Maximum zero shift is 1 2 inches H5O 299 Pa Each time a transmitter is rotated from the orientation in which it was zeroed there is the possibility of zero shift and the need for re zeroing Zero shift can be predicted as follows There is no zero shift with transmitter rotation as long as diaphragm orientation
3. Diaphragm Plane Edge View Kx dics 4 ES AG00227b Notes 1 For a Model 345A or 345G with tantalum diaphragms see Figure 4 11 2 Dimensions are in inches millimeters FIGURE 4 12 Universal Mounting Bracket Model 345A and 345G see note 1 4 24 August 2000 UM345 1 INSTALLATION 4 4 3 Direct Mounting to Process Model 345D Nipple Mount for Low Liqui rvi j Pressure The transmitter can be piped to the process through a two or three valve manifold and supported by the piping connections 3 inch nipples if mounted directly at the point of measurement Transmitter process connections are on 2 13 inch 54 mm centers to allow direct mounting bolting to a manifold with the same spacing Each transmitter process connection has two tapped 7 16 20 mounting holes and a 1 4 NPT tapped pressure inlet Process orifice flanges with standard 2 13 inch spacing permit a Orifice a Flanges lt NS CN Flow High Pressure Side 3 Valve Model 345D Manifold AG00228a transmitter and two or three valve manifold combination to be direct mounted The procedure for mounting a transmitter to a two or three valve manifold and the manifold to the orifice flanges is covered by the installation instructions supplied by the manifold manufacturer The following is a guide and may need to be modified for some
4. Section Change Table of Contents Updated 1 Introduction Product Support subsection updated 7 Calibration and Maintenance Section 7 3 3 updated Appendix G Updated Appendix H New Warranty Updated Changes for Rev 3 March 2005 Significant changes to UM345 1 are listed in the following table Section Change Table of Contents Updated 1 Introduction Product Support subsection updated Warranty Updated Changes for Rev 3 April 2005 Significant changes to UM345 1 are listed in the following table Section Change 1 Introduction Product Support subsection updated August 2000 vii CONTENTS UM345 1 XTC Procidia APACS and QUADLOG are trademarks of Siemens Energy amp Automation Inc Other trademarks are the property of their respective owners Siemens Energy amp Automation Inc assumes no liability for errors or omissions in this document or for the application and use of information included in this document The information herein is subject to change without notice Procedures in this document have been reviewed for compliance with applicable approval agency requirements and are considered sound practice Neither Siemens Energy amp Automation Inc nor these agencies is responsible for repairs made by the user viii August 2000 UM345 1 INTRODUCTION 1 0 INTRODUCTION This user s manual i
5. N 2 Wire 2 Wire 4 20 4 20 mA UP 2 Model 773 OF Model 353 Model 345D i 297500 Flow FIGURE 1 4 Traditional Process Variable Measurement Figure 1 5 shows an application using a Model 345 with a QUADLOG safety system The transmitter provides a current output dependent upon flow to the SAM CAM Marshalled Termination Panel The termination panel is connected to the Critical Analog Module through the Interconnect I O Cable The Critical Control Module reads the CAM s data and provides an output to the Analog Output Module Module output is routed through an Interconnect I O Cable to this module s termination panel and then to an I P module connected to the valve The Model 345 can also be used with the APACS HART Fieldbus Module and other I O modules offered by Siemens Moore 1 6 August 2000 UM345 1 INTRODUCTION APACS MODULRAC or SIXRAC Critical Control Module Enhanced or Standard Analog Module and Marshalled Termination Panel Critical Analog Module CAM diis and Marshalled Termination Panel Interconnect Cables eee UP 2 Wire Twisted Pair Shielded Cable Model 773 Model 345D cal 4 20 mA Critical Transmitter PL Flow gt 8 amp FIGURE 1 5 Process Variable Measurement Using QUADLOG The H
6. 2 23 3 0 COMMISSIONING AND BENCH TESTING ccscsssssssssssscsssssssssssscessesscsssssssscsssessessnssessesoes 3 1 3 1 COMMISSIONING PROCEDURE essere nennen ne entente nennen 3 3 L 1 Test Equipment Needed tee eee eee tete eee idea 3 2 3 2 ESTABLISHING COMMUNICATION cerent nennen 3 3 3 3 TESTING THE TRANSMITTER riter eee peter eerte ree eee he eee ree ee Pee eges 3 3 3 4 REVIEWING CONFIGURATION 3 4 3 5 CHECKING TRANSMITTER OUTPUT eee eese ener rennen eren en nennen nennen 3 4 4 0 INSTALLATION a Ires b EYE E EUM 4 1 4 1 EQUIPMENT DELIVERY AND HANDLING eerte enren rennen 4 1 4 1 I Receiptot Shipment eee e etr teet t tene bie tete 4 1 D MICI INR 4 2 4 2 ENVIRONMENTAL CONSIDERATIONS eese ener enr en rennen nenne 4 2 August 2000 i CONTENTS UM345 1 4 3 INSTALLATION CONSIDERATIONS ooo eese eene nennen nnne enini 4 2 4 3 L Mechanical eee iere e 4 2 4 3 2 Blectrical n e iut o en eer ee e eget ces ole cots E P eere De 4 3 4 3 3 Impulse Piping for Models 345D A and 4 4 4 3 4 Transmitter Operating Mode and Network Type eee rene 4 9 4 3 5 Power Supply Requirements esee nennen nnne nennen rennen 4 14 43 5 1 Point to Point NetwOtk og e RR
7. Pressure Sensor Ead a EIDASIC gt Voltage to IBN s Cn Frequency Pulse Current o amp Cp Oscillator to Digital Converter SensorAssembly FIGURE 8 2 Block Diagram Electronics Module and Sensor Assembly August 2000 8 5 CIRCUIT DESCRIPTION UM345 1 8 3 4 Communication Format The transmitter communicates via the HART protocol with the HART Communicator and any Primary Master controller connected to the network HART communication uses phase continuous frequency shift keying FSK at 1200 bits sec and frequencies of 1200 Hz logic 1 and 2200 Hz logic 0 HART communication is superimposed AC coupled on the analog 4 20 mA signal Because the digital signaling is high frequency AC its DC average is zero and does not interfere with analog signaling A 2 pole active filter connected to the loop input receives HART transmissions The filter effectively rejects low frequency analog signaling and other out of band interference preventing a compromise of the digital reception The filtered signal is applied to a Zero Crossing Detector which converts the filtered information into clean pulses of uniform amplitude before introduction to the Bell 202 modem The modem receives and processes e g demodulates the serial FSK signal and outputs the signal to the Microcontroller where serial to parallel conversion is performed In response to the received signal the Mic
8. f A 1 4 Tapped Hole See Note 2 X 54 1 284 See Note 2 X 7 16 20 Tapped Notes Hole 8 Places AG00231b 1 Dimensions are in inches millimeters 2 Process Connection Blocks not shown provide a 1 2 NPT process connection and can be rotated 180 to give the following connection centers 2 00 50 1 2 13 54 1 ae 2 25 57 2 Vent Drain Plug Side Vent Options 3 Terminal Board with isolated TIE terminal shown with enclosure end Top Bottom or Both cap removed 4 Also shows Models 345A and 345G with tantalum diaphragms FIGURE 9 1 Dimensions Model 345D Transmitter See Note 4 9 10 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Nameplate Y Enclosure Rotation AG00233b Electrical Entrance 1 2 14 NPT or M20 X 1 5 Tapped 1 75 44 5 Hole 2 Places Req d to Remove Cap Terminal Board y 4 T 4 See Note 2 X 1 2 NPT Process Inlet Connection Note 1 Dimensions are in inches millimeters 2 Terminal Board with isolated TIE terminal shown with enclosure cap removed 3 For a Model 345A or 345G with a tantalum dia
9. 4 22 August 2000 UM345 1 INSTALLATION Vent Drain Plug x 3 Clearance Holes 4 Holes x Supplied U Bolt Lockwashers and Nuts V Pipe Mounting 35 8 User Supplied UA 734 8 7 Dia Hardware _ 4 Holes 2 82 aH A j 2 ER 141 e a 7 35 8 j 53 3 p Wall Mounting Notes 8 0 75 1 Also shows Models 345A 3450 8 Mount to Bracket 19 1 with tantalum diaphragm g with 7 16 20 Bolts 2 Dimensions are in inches millimeters and Lockwashers 4 places Bee 10 30 K 261 6 Diaphragm Plane Edge View 5 09 h 129 3 ETN N Y y v FIGURE 4 11 Universal Mounting Bracket Model 345D see note 1 August 2000 4 23 INSTALLATION UM345 1 Round Head Adapter IIb Screws Bracket 4places 152 4 E Bracket 4 17 105 9 0 34 8 7 Dia 4 Holes 1 4 20 1 2 Mounting Supplied U Bolt Lockwashers and Nuts EN mE Pipe Mounting gt lt OR User Supplied Hardware 2 82 71 6 2 10 Y 53 3 Y Supplied U Bolt Adapter Bracket Lockwashers P2 and Nuts ys Cp
10. Siemens Energy amp Automation USER S MANUAL UM345 1 Rev 3 April 2005 OQO A AN A i p Sa 2 iA ERO 5 x 5 OG 2 N A u XTC Critical Pressure Transmitters Model 345 UM345 1 CONTENTS TABLE OF CONTENTS SECTION AND TITLE PAGE 1 0 INTRODUCTION 1 1 LA SECTION CONTENTS but ee reddet 1 1 1 2 PRODUCT DESCRIP FION sch d ee Pec 1 2 CONFIGURATION outer ot te tede e eH EE ete E reed 1 7 1 4 INTERNATIONAL STANDARDS ORGANIZATION 150 SYMBOLS 1 9 1 5 PRODUCT SUPPORT re eode deut ene a ee IE EO Ee Uode re eate 1 9 2 0 MODEL 275 UNIVERSAL HART COMMUNICATOR eee 2 1 23 INIRODUCGCTION o e ete a oen aie 2 1 2 2 COMMUNICATOR CONNECTIONS ettet rendre ee nete ht neto itp eet e een 2 1 2 3 CONTROLS OVERVIEW 2 4 2 3 Taquid Crystal Display nee eet edente ete et eu enhn 2 4 2 3 2 Software Defined Function KeyS ceceesesseesecssecssecssecssecesecesecseeeseeeeeeseeeeeseeeaeeeaaecsaeesaees 2 4 2 3 3 Action Keys tee de a ie M o Rass eie eee 2 6 2 3 4 Alphanumeric and Shift Keys esee eene nennen nennen eene 2 7 2 3 4 1 Rapid Selection of Menu Options cee cesceseceseceseeeseeeeeeeeseceaeecaaecaaecsaec
11. AJ 7 ES X 7 pee s Vent Drain Plug Side Vent Options Top Bottom or Both Enclosure Rotation Set Screw 1 A Process Connection Block with 1 2 NPT process connection can be installed FIGURE 1 3 Model 345F Differential Transmitter with Flange AG00222b August 2000 INTRODUCTION UM345 1 Each transmitter is a microprocessor based self contained pressure to current transducer The heart of the transmitter is the MycroSENSOR Developed and patented by Siemens Moore the MycroSENSOR is a silicon dual capacitance pressure sensor assembly It generates a direct digital output signal that is proportional to input pressure The direct digital output in conjunction with the microprocessor provides Direct Digital Processing DDPTM DDP provides advanced processing and compensation for varying ambient temperature and static pressure This yields improved performance stability and reliability compared to conventional analog transmitters Although signal processing is digital the transmitter is always configured to operate in an analog mode The transmitter is connected to a controller recorder or other field device A loop known as a Point to Point network interconnects the instruments Figure 1 4 shows a traditional application Digital Controller
12. Equipment Return Within North America To Return Equipment e Call the Repair Service Group at 215 646 7400 ext 4762 weekdays between 8 00 a m and 4 45 p m Eastern Time to obtain an RMA number Mark the RMA number prominently on the outside of the shipment e When calling for an RMA number provide the reason for the return If returning equipment for repair failure information e g error code failure symptom installation environment will be requested A purchase order number will be requested 7 20 August 2000 UM345 1 CALIBRATION AND MAINTENANCE Material Safety Data Sheet e A Material Safety Data Sheet MSDS must be included with each item being returned that was stored or used anywhere hazardous materials were present Packaging e Package assembly in original shipping materials Otherwise package it for safe shipment or contact the factory for shipping recommendations A module must be placed inside a static shielding bag to protect it from electrostatic discharge Equipment Return Outside of North America Contact the nearest Siemens Moore subsidiary Provide the reason for the return A purchase order number will be requested Request equipment packaging and shipping instructions August 2000 7 21 CALIBRATION AND MAINTENANCE UM345 1 7 22 August 2000 UM345 1 CIRCUIT DESCRIPTION 8 0 CIRCUIT DESCRIPTION This section provides a basic circuit description of a Model 345
13. Impedance if series connected Less than 10Q Impedance if parallel connected Greater than 50kQ The maximum number of miscellaneous devices per network is 16 The combined electrical characteristics may not exceed the following Maximum capacitance to ground 800 pF Minimum resistance to ground 62 5kQ Maximum series 160Q Minimum parallel impedance 3125Q 4 3 10 Shielding and Grounding GROUNDING Ground the transmitter s enclosure housing through a 16 AWG 1 3 mm or larger copper wire to a low resistance ground such as a nearby metal cold water pipe A screw is provided in the side of the housing for this purpose The ground wire should be installed even though the housing is often grounded through the electrical conduit or in some transmitter models through the process connections and piping SHIELDING Shielded loop cable is recommended The preferred method of grounding that shield is shown in Figures 4 6 through 4 9 Ground the cable shield at one point Multiple grounds can cause signal error and poor HART performance The location of the ground connection is often determined by the installation environment hazardous or non hazardous or by the requirements of a regulating agency The following grounding practices are field proven and will reduce magnetica
14. 6 Alarm Block 1 Zero trim 2 Calibrate DAC 3 On Line Zero 4 Factory Cal 5 Test Failsafe 6 Output Test 1 Enter Password 2 New Password 3 Setup Done 1 MV Units 2 MV Lo 3 MV Hi 4 Damping 5 Transfer Fct 6 Transfer Fct Cutoff 7 Zero Dropout 8 Active Input 1 PV Units 2 PV Lo 3 PV Hi 4 AutoRerange 5 Display 6 Autotoggle 7 Toggle Time 1 Tag 2 Descriptor 3 Message 4 Date 5 Device S N 6 Polling addr 1 Failsafe Level 2 Failsafe Latch 1 Linear 2 Square Root 1 MV 2 MV Lo 3 MV Hi 4 Set Lo 5 Set Hi 1 Range 2 PV Units 3 MV Units 4 96 MV and PV 1 No Recovery 2 Auto Recovery 1 Alarm 1 2 A1 Setpoint 3 A1 Type 4 Alarm 2 5 A2 Setpoint 6 A2 Type 7 Self Clear NAK 8 Out of Service FIGURE 2 5 Online Menu Tree for Model 345 Critical Transmitter August 2000 2 17 MODEL 275 HART COMMUNICATOR UM345 1 1 Device setup 1 Process 1 Present variable 2 PV variables 2 Percent range 3 AO 3 Analog output 4 LRV 1 Self test 5 URV 2 Diagnostics 1 Test device 2 Status and Service 2 Loop Test 3 Calibration 1 Rerange 3 Basic Setup 1 Tag 2 Trim analog Spies 2 Unit 3 Sensor trim 3 Range values 4 Device info 1 Date 5 Xfer functn 2 Descriptor 6 Damp 3 Message 4 Write protect 5 Meter type 4 Detailed setup 1 Sensors 1 Process variables 2 Sensor service 3 Unit 5 Review 1 Process variables 2 Range values 3 Unit 4 Xfer Fnctn 5 Damp 2 Si
15. 7 Disconnect the transmitter from its mounting bracket and remove it to a workbench 8 Clamp the end cap portion of the sensor assembly in a bench vise with the transmitter in an upright position Use wood blocks to protect the end caps from being damaged by the vise 9 Remove the enclosure cap for access to the electronics module 10 Place the wrist strap on your wrist and connect it to the enclosure ground screw 11 If an optional Smart Display is installed remove it as described in Section 4 6 1 Store the Smart Display in a static protective bag 12 Pull the electronics module just clear of the enclosure and while holding the sensor assembly sensor cable P1 connector firmly in one hand and the electronics module in the other pull the two apart 13 From inside the enclosure compartment remove the enclosure positioning limit screw 10 32 Allen head and lockwasher from the sensor assembly s tube Retain screw and lockwasher 14 Loosen the enclosure rotation set screw on the enclosure stem and gently pull the enclosure away from the tube of the sensor assembly An O ring on the sensor assembly s tube will offer some resistance to pulling To overcome this resistance gently rotate the enclosure left and right while pulling Set the enclosure aside August 2000 7 15 CALIBRATION AND MAINTENANCE UM345 1 15 Clean any process fluid or other contamination from the sensor assembly including the flange of a Model 345F
16. August 2000 UM345 1 APPENDIX C TRANSMITTER CONFIGURATION DOCUMENTATION C 0 TRANSMITTER CONFIGURATION DOCUMENTATION HOW TO USE THIS APPENDIX Use this appendix to document a transmitter configuration The transmitter may be on site or be a pending purchase Make additional copies of this appendix as necessary Clearly record the needed data as follows On Site Transmitter Configuration Record 1 Copy transmitter nameplate information onto the simulated nameplate on the next page 2 Enter Customer Name and P O Number information in the box at the bottom of the next page 3 Record the transmitter s configuration data in the last column of the table on pages C3 to C5 Data for Factory Configuration at Time of Purchase 1 Write the transmitter model number and tag on the simulated nameplate on the next page Other information is factory supplied at time of manufacture 2 Enter Customer Name and P O Number information in the box at the bottom of the next page Record the desired configuration data on pages C3 to C5 4 Attach a copy of these pages to your purchase order Keep a copy for your files Subsequent pages contain the following information for each function block name parameter s default s and blank space s to record specific transmitter data August 2000 C 1 APPENDIX C TRANSMITTER CONFIGURATION DOCUMENTATION UM345 1 TRANSMITTER CONFIGURATION RECORD TUV MOORE CRITICAL TRANSMITTER
17. Insulating Cover did point splice It is isolated from the Transmitter circuitry and the enclosure FIGURE 1 7 Terminal Board 1 8 August 2000 UM345 1 INTRODUCTION 1 4 INTERNATIONAL STANDARDS ORGANIZATION ISO SYMBOLS Refer to Table 1 2 for an explanation of ISO and IEC symbols that when appropriate are prominently displayed on the surfaces of the hardware The symbols are also used in instructions to denote CAUTION and WARNING notes TABLE 1 2 ISO IEC Symbols SYMBOL PUBLICATION DESCRIPTION ISO 3864 No WARNING Risk of Electric Shock The symbol is B 3 6 prominently displayed on the surfaces of hardware When used in an instruction text accompanies the symbol that identifies something that can be dangerous and possibly life threatening to personnel For example WARNING Risk of electric shock Remove power from S er all involved wires before making connections to the mbo olor ac Udine PANINI Marshalled Termination Assembly ISO 3864 No CAUTION Refer to accompanying Installation and Service B 3 1 Instruction The symbol is prominently displayed on the surfaces of hardware When used in an instruction text accompanies the symbol that identifies something that can damage equipment or cause a control problem with a process For example CAUTION The safety system should not be operated with forced I O IEC 417 No PROTECTIVE CONDUCTOR TERMINAL 5019 Symbol is prominently displayed on th
18. Set Screw gt Edge View Flange Dia RF gt lt INote 2 _ 4d D lt 3 60 gt 91 4 T e 2 50 Vent Drain Plug 63 5 Side Vent Options P 5 78 gt Top Bottom or Both 146 8 Notes 1 Dimensions are in inches millimeters See table in text for dimensions that depend upon model number 2 Diaphragm plane for transmitter in adjacent orientation FIGURE 4 13 Flange Mounted Transmitter Model 345F AG00229b 4 27 August 2000 INSTALLATION UM345 1 TABLE 4 1 Flange and Extension Dimensions A Flange Dimensions SIZE DIM DIM DIM DIM DIM BOLT NO OF FLANGE BC RF DIA BOLTS PER 2 1508 6 00 4 75 0 75 1 95 152 40 120 65 19 05 49 53 165 10 127 00 22 23 49 53 190 50 152 40 23 81 71 37 209 55 168 28 28 58 71 37 228 60 190 50 23 81 93 98 254 00 200 03 31 75 93 98 165 00 125 00 18 00 165 00 125 00 20 00 50MM 10 16 BAR 50MM 25 40 BAR 10 16 BAR 200 00 160 00 20 00 Factory 2526 IN T 25 40 BAR 200 00 160 00 24 00 100MM 10 16 BAR 8 66 7 09 0 79 220 00 180 00 20 00 100MM 9 25 7 48 0 94 25 40 BAR 235 00 190 00 24 00 B Extension Length Notes 1 Dimensions are in inches millimeters 2 Endcap can be rotated 180 for top or bottom vent drain side
19. e Check for electrical interference between the loop cable and any adjacent cables in a cable tray or conduit Check Transmitter Configuration e Check for proper operating mode analog address 0 e Check zero dropout value Check for a Transmitter Stuck in Override Mode e Re enter Loop Override from HART Communicator Online menu and properly exit Loop Override Mode Check for Variable Process Fluid Flow e Install mechanical dampers in process pressure piping e Select a higher damping value software filter time constant Check Primary Element e Check that primary element is correctly installed e Check element for damage and leaks e Note any changes in process fluid properties that can affect output August 2000 7 11 CALIBRATION AND MAINTENANCE UM345 1 7 3 2 Digital Output Communication A malfunctioning digital output can indicate a defective communication circuit More commonly however these problems are caused by an incorrect or poor installation It is possible to install a transmitter such that the 4 20 mA signal is correct yet the digital HART signal is not The most common symptom of a communication problem is the inability to locate a transmitter on the loop using a HART Master Device such as the HART Communicator Typical messages from the HART Communicator include device disconnected no device found or communication error If communication problems occur check the following Refer to the specifi
20. 4 Type the desired low value for the process variable range then either press ENTER F4 to confirm the new value or press ESC F3 to return to the Operator Display menu without making a change 5 To change the PV high value press 3 on the keypad to display the Process Var Hi menu 6 Type the value for the desired high value for the process variable range then either press ENTER F4 to confirm the new value or press ESC F3 to return to the Operator Display menu without making a change 7 turn the Auto Rerange feature on or off press 4 on the keypad to view the AutoRerange menu 8 Use the UP or DOWN arrow key to select either Off or On then either press ENTER F4 to confirm the selection or press ESC F3 to return to the Operator Display menu without making a change MPCO 345A PT100 9 change the units to be displayed locally or the MV Units combination of units to be displayed during autotoggling 1 Range press 5 on the keypad to display the list of local units at 2 PV Units right 3 MV Units 4 MV and PV 10 Press a keypad number to select a local display units option and return to the Operator Display menu Alternatively use the UP or DOWN arrows to scroll to the desired option then either press ENTER F4 to confirm your selection or press ABORT to return to the Operator Display menu without making a change ABORT ENTER 11 To turn the Autotoggle feature Of
21. Section 7 CALIBRATION AND MAINTENANCE provides calibration procedures for analog and digital modes and a zeroing procedure for mounting position It also furnishes preventive maintenance troubleshooting and assembly replacement procedures A spare and replacement parts list is provided at the back of this manual Section 8 CIRCUIT DESCRIPTION contains an assembly level circuit description to support transmitter servicing Section 9 MODEL DESIGNATIONS AND SPECIFICATIONS furnishes tables describing transmitter model numbers It also contains mechanical functional performance and environmental specifications Hazardous area certifications are also listed Section 10 GLOSSARY contains definitions of various transmitter and safety related terms APPENDIX A FUNCTION BLOCKS describes transmitter function blocks and the parameters available August 2000 1 1 INTRODUCTION UM345 1 APPENDIX B HAZARDOUS AREA INSTALLATION contains an installation drawing and information needed for barrier selection APPENDIX C TRANSMITTER CONFIGURATION DOCUMENTATION provides a form for entering application specific configuration data APPENDIX D ELEVATION AND SUPPRESSION CORRECTIONS explains how to perform elevation and suppression calculations for certain liquid level gauging applications APPENDIX E CENELEC EEX D INSTALLATIONS details proof testing procedures APPENDIX F STATIC PRESSURE CORRECTION has an example of correction fo
22. This Appendix presents wiring and barrier selection information for installation of a Critical Transmitter in a hazardous location Refer to the barrier list below the barrier manufacturer s installation instructions and the following pages when installing or servicing a transmitter in a hazardous location The following barriers have been tested with the transmitter BARRIER BARRIER TYPE FOR USE WITH MANUFACTURER AND MODEL Stahl 9001 5 1 280 091 14 Active Dual Channel XTC to LIL or HEM Stahl 9001 01 280 100 10 Passive Dual Channel XTC to SAM or CAM MTL 7875 Dual Channel XTC to LIL or HFM MTL 728 Dual Channel XTC to SAM or CAM LIL Local Instrument Link station e g Procidia Model 353 Model 385 HFM APACS HART Fieldbus Module SAM APACS Standard Analog Module CAM QUADLOG Critical Analog Module Other barriers made by these and other manufacturers can provide the required protection The installer should carefully select barriers based on the required protection loop wiring manufacturer s barrier performance data and the data in the control drawing s August 2000 B 1 APPENDIX B HAZARDOUS AREA INSTALLATION UM345 1 Hazardous Classified Location Class I Zone 0 Group IIC or Class I Division 1 Groups A B C D Class II Division 1 Groups E F G Class III Division 1 Non Hazardous Location Associated Apparatus 10V Vt or Voc or Uo lt 30 V Isc or It or Io lt 100 mA
23. 1 Remove Enclosure Cap for access to Terminals ag 2 Stranded wire is recommended Terminal Screw LY p No 6 Stranded A UA Conductor with Ring Stranded Tongue Nod Conductor Terminal with Spring Solid Spade Conductor Terminal with Loop Formed in End of Lead FIGURE 4 16 Conductor Terminations 4 7 2 Transient Suppressor Option When installing a transmitter with the integral transient suppressor option perform the following additional steps to ensure proper operation of the transient suppressor 1 Install a 50 quenching resistor in series with the loop when the transmitter is powered from a power supply rated at above 0 5A 2 Ground the transmitter enclosure using either the external or internal grounding screw to prevent damage or personal injury in the event of nearby lightning strikes The recommended ground strap is 12 gauge 3 3 mm stranded copper wire Always ground transmitters according to the National Electrical Code ANSI C1 1971 3 Ensure that the polarity of both the positive and negative terminal board terminals is POSITIVE with respect to the transmitter enclosure 4 34 August 2000 UM345 1 INSTALLATION 4 8 HAZARDOUS AREA INSTALLATION Drawings showing transmitter installation data for hazardous areas are located in Appendix B Entity parameters barrier selection and important wiring information are specified on these drawings The appendix
24. 2 Use the Quick Access Key to reach the Status Errors Menu If the sensor assembly EEPROM has failed the message E6 SENSOR will display Transmitter self diagnostics may not report a failure of the sensor assembly or enhanced mode oscillator EMO To identify this type of failure e From the Errors display press the LEFT ARROW PREVIOUS MENU key followed by 1 on the Communicator keypad to display the MV item 2 on the menu and Current item 6 on the menu If the EMO or sensor has failed the values of the MV and I are as follows August 2000 7 13 CALIBRATION AND MAINTENANCE UM345 1 MV is equal to 156 7 of the sensor assembly s upper range limit as listed in Section 9 3 Specifications 3 88mA if URV gt LRV or 20 5 mA if lt LRV Example This example illustrates the MV displayed in the event of failure of transmitter with a Range D sensor assembly URL 450 inH O For a sensor input block configured for one of the following MV units the corresponding 156 7 value is listed MV UNITS URL MV at Failure PSI 16 25 PSI 25 4 PSI InHg 33 7 inHg 52 8 inHg If defective the entire sensor assembly must be replaced see Section 7 4 2 3 If steps 1 and 2 do not confirm a sensor assembly defect replace the electronics module with an on hand spare see Section 7 4 1 If the problem still exists and all other loop elements and wiring have been thoroughly tested return the transmitter
25. 4 For adding a Smart Display to a transmitter 16275 400 Hardware Repair Kit Magnetic Screwdriver 1 O Ring for Enclosure Cap 2 86 ID 4 Pipe Plug Allen Electrical Entrance 2 NPT 7 Teflon Washer 1 75 dia Capsule to End Cap Model 345D and Models 345A and G with Tantalum Diaphragms 104 Screw Terminal Board and Internal and External Grounds 8 32 x 3 8 Slotted TORX Pan Hd 201 Lockwasher Enclosure Grounds 8 External Tooth 202 Wire Clamp 203 Screw Smart Display Electronics Module Mounting 4 40 x 0 875 Slotted TORX Pan Hd 204 Screw Enclosure Stop Retaining 8 32 x 1 4 Skt Hd Cap 205 Lockwasher 8 Internal Tooth 206 Set Screw Enclosure Neck 10 32 x 3 8 Cup Pt 207 Teflon Washer 1 1 dia Process Connection Block NS Capacitor Feedthru 5000pF user supplied Loctite or 4 Fesser 16275 401 Capsule Repair Kit Vent Drain Plug and Screw 14 SST 102 SST Pipe Plug 4 NPT SST Models 345D and and Models 2 345A and G with Tantalum Diaphragms 103 E Teflon Washer 1 75 dia Capsule to End Cap Model 345D 2 and Models 345A and G with Tantalum Diaphragms 104 rw 16275 402 Capsule Repair Kit Vent Drain Plug and Screw 14 Hastelloy C 102 1 1 1 1 1 4 1 4 4 4 2 4 2 2 2 Hastelloy Pipe Plug 4 NPT Hastelloy C Models 345D and and 2 Models 345A and G with Tantalum Diaphragms 103 Teflon Washer 1 75 dia Capsule to End Cap Model 345D 2 and Models 345A and G with T
26. 7 Inspect process connection blocks for evidence of leakage both at the impulse pipe connections and at the block interface to the transmitter end caps If necessary add sealant to pipe threads tighten block bolts and replace block Teflon seals 7 8 August 2000 UM345 1 CALIBRATION AND MAINTENANCE 7 2 3 Transmitter Exterior Cleaning After an exterior inspection of the transmitter the enclosure can be cleaned with the transmitter operating 1 Clean the enclosure except enclosure cap glass and process manifold with a mild nonabrasive liquid detergent and a soft bristle brush sponge or cloth Rinse the weatherproof enclosure with a gentle spraying of water If the transmitter is subjected to heavy process over spray keep the enclosure free of excessive accumulation of process residue Hot water or air may be used to flush away process residue if the temperature of the cleaning medium does not exceed the operating temperatures of the transmitter as listed in Section 9 3 4 Environmental 2 Clean enclosure cap glass with a mild nonabrasive liquid cleaner and a soft lint free cloth 7 2 4 Transmitter Enclosure Interior Inspection WARNING Do not open the transmitter enclosure in an area where there may be risk of explosion or where a process or environmental substance can contaminate the transmitter interior Remove the two enclosure caps periodically to inspect the interior of the transmitter enclosure No accumulatio
27. APPENDIX C TRANSMITTER CONFIGURATION DOCUMENTATION UM345 1 PARAMETER RANGE OF VALUES DEFAULT VALUE DESIRED VALUE Device Serial Number 0 to 16777215 Device S N on 8 digit nameplate Polling Address O zeroonlyy fC Saas a IE Alarm 2 Type LOW Self Clearing NAKS OFF Alarm Out of Service OFF Sa LEES nM Failsafe Level Latched Latched or Auto Recovery C 4 August 2000 UM345 1 APPENDIX D ELEVATION AND SUPPRESSION D 0 APPENDIX D ELEVATION AND SUPPRESSION CORRECTIONS When installing a Critical Transmitter to measure liquid level configuration of the Sensor Input Block often must include an adjustment for one of two conditions introduced by the mounting arrangement e Elevated Span The Lower Range Value LRV of the transmitter needs to be configured above 0 See Figure D 1 e Suppressed Span The LRV of the transmitter needs to be configured below 0 See Figure D 2 Fill Connection 772 LP Shut Off q HP Shut Off Valve M Max Range Valve deeem E a Suppressed lt 2 See Span H 9 Range Span Section 9 E z J Specifi IN Vent Span z gt Min Range p p cations 4 J for range Min Range Ly 8876 limit Elevated Span To B X03070S0 HP Shut Off x ju calculate maximum E Valve d d filled wit distance subtract E B
28. GE XMTR IN SHORT 4299 IN2 Short Circuit or transducer failed high 4299 DINT corresponds to 21 0 mA GT NOT AND INI IN INI OVRNG 4197 DINT corresponds to 20 5 mA 4197 IN2 IN2 Over range GT NOT AND INI IN INI OKAY 4095 DINT corresponds to 20 0 mA 4095 4132 IN2 Signal within normal range GE NOT AND INI IN INI UNDRNG 819 DINT corresponds to 4 0 mA 819 4IN2 IN2 Under range GE NOT AND INI IN INI FAILLO 778 DINT corresponds to 3 8 mA 778 132 IN2 Transducer failed safe low GT NOT INI IN OPEN 737 DINT corresponds to 3 6 mA 737 1132 Open Circuit FIGURE H 3 Transmitter Function Block for Integer Input H 4 August 2000 UM345 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM H 2 1002 VOTING OF ANALOG SIGNALS In order to maintain the SIL3 safety level the 345 inputs must be voted in a 1002D manner that is the input values must be voted in a way that takes the diagnostic condition of the signals into account Table H 2 shows the recommended responses to various values and statuses for two 345s being voted in this way In this example GOOD inputs in the under range normal or over range segments of the NE 43 standard inputs are outside of these limits Siemens Moore s QUADLOG system contains a standard 1002 Voting Function Block AN1OO2D designed specifically for this purpose however custom function block can be writ
29. MODEL c B M SERIAL SPAN LIMITS MWP FCTRY CAL TAG CE Approvals and Certifications Area PA AG00237b For Factory Configuration Please enter your name and transmitter purchase order number if providing information for factory configuration of a transmitter Customer Name Customer P O Number The Sales Order Number below will be entered by Siemens Moore Siemens Moore Sales Order Number Co August 2000 UM345 1 APPENDIX C TRANSMITTER CONFIGURATION DOCUMENTATION PARAMETER RANGE OF VALUES DEFAULT VALUE DESIRED VALUE Sensor Input Block Measured Variable inH O inHg ftH O mmH O inH O Range A B D Units mmHg PSI BAR mBAR g sq cm kg sq cm PA kPA pol Ranger Torr Atm Measured Variable 999999 to 999999 0 Range B D F G Ra m mem Measured Variable 999999 to 999999 1 Range A Range Hi 10 Range B 100 Range D F 1000 Range G Damping Time 0 to 30 Seconds 1 Second Constant Transfer Function Linear x Linear Transfer Function 0 1 to 30 4 Cutoff Operator Display Process Variable 19999 to 19999 0 0000 Range Lo Process Variable 19999 to 19999 100 00 Range Hi AwoReange _ osse al iy Code wem mor ema mewmwrp Message 32 Character ASCII MOORE PRODUCTS CO Date Format DD MM YY Date transmitter manufactured August 2000 C 3
30. control then press OK F4 This completes verification of analog output August 2000 5 3 POST INSTALLATION CHECKOUT UM345 1 IMPORTANT Failure to exit loop override correctly can cause the transmitter to remain parked at a fixed current This completes the system checkout Disconnect test equipment connect any disconnected wires and restore any removed protective covers on the transmitter or other devices 5 4 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION 6 0 ON LINE CONFIGURATION AND OPERATION On line operation includes remote configuration and monitoring involving communication between the Model 275 HART Communicator host device and Model 345 field device It also includes local configuration using the transmitter s built in magnetic switches Figures 3 1 and 5 1 show the connections for on line configuration Here the HART Communicator and Model 345 are directly communicating and data may be uploaded from the transmitter to the HART Communicator or downloaded from the HART Communicator to the transmitter In addition the Model 345 can be configured locally using built in magnetic switches Section 6 1 describes use of the Configuration Jumper Section 6 2 provides remote configuration and operation procedures using the HART Communicator Sections 6 3 and 6 4 describe local operation of a transmitter and local configuration using the three magnetic switches and supplied magnetic screwdriver
31. errors and alarm status e Range Xmtr Choose measured variable and process variable units set high and low values auto rerange and choose a transfer function Use of these functions is described in Section 6 More options can be added to provide rapid access to frequently performed tasks User definable options can be deleted later but the factory options are permanent To use the Quick Access Key 1 Connect the Communicator to a HART compatible device MPCO 345A PT100 Quick Access Key 1 gt XMTR Variables 2 Status 2 Press the Quick Access Key upper right hand key in the action keys group The Communicator will power up and display the Quick Access Key menu at right 3 Range Xmtr 3 Before any custom options have been installed the Quick Access Key menu displays only the five factory installed options To add options see Section 2 6 1 4 Usethe UP and DOWN arrows followed by the RIGHT ARROW SELECT key to choose an option or press the option s number on the keypad The menu for the chosen option displays 5 Follow the instructions given in Section 6 2 3 to use the option selected 6 When finished press the Quick Access Key to return to the previous menu August 2000 2 21 MODEL 275 HART COMMUNICATOR UM345 1 2 6 1 Adding Quick Access Key Options The Quick Access Key menu contains space for up to 20 on line options For example if device tags and damping must be changed often simply
32. resistor or the transmitter under test as shown in Figure 5 1 There is no connection polarity as the HART Communicator is a non polar device 2 Connect a DMM in series with either loop wire see Figure 5 1 Set the DMM to read 4 20 mA August 2000 5 1 POST INSTALLATION CHECKOUT UM345 1 Jumper 2 See Note 2 Network lt lt Digital i Junction AHA Milliammeter Controller 4 AAVA 0 Recorder ES R Current 5 Indicator or 7 Ot gt other 1 5 Vdc aly Resistor Resistor Device gt ZK Model 340 E Terminals System Power 2 2 2 2 Supply Z be X03059S0 Notes 1 HART Communicator Connections Non hazardous location Connect as shown above Hazardous location Refer to the Communicator nameplate and the Manual supplied with the Communicator for certifications and approvals before connecting 2 Connect the DMM set to mA in series with either loop wire Remove jumper to install DMM and replace when DMM is removed FIGURE 5 1 Equipment Connection for System Checkout 5 4 VERIFICATION This section describes the communication test communication error check analog output verification and configuration verification 5 4 1 Communication Test This test verifies that the HART Communicator and transmitter s can communicate properly From user configuration documentation ob
33. 1 Model 275 Universal HART Communicator cessere 2 2 2 2 HART Communicator Connections to a Transmitter 2 3 2 3 Communicator Display Icons iee eie eiit ennt 2 8 2 4 Offline ede ee Ua E EO ER HH co bt t pte ME 2 11 2 5 Online Menu Tree for Model 345 Critical Transmitter 2 17 2 6 Generic Online Menu Free en Eesti retient S ee ede ice ERR 2 18 32 Bench Test Connections s Rete tee ete p lees 3 1 3 2 Field Test Connections gie ete et eter e haces snd Co AE cache kets sales 3 2 4 1 Differential Flow Measurement Piping for Gas or Liquid 4 5 4 2 Differential Liquid Measurement Piping eese eene enne 4 6 4 3 Absolute or Gauge Pressure Measurement 1 nennen 4 7 4 4 Steam Service Below the Line Mounting eese eene 4 8 4 5 Open and Closed Tank Level Measurement Flange Mounted Differential Transmitters 4 9 4 6 Point To Point Network Analog Mode eene nennen seen enne ens 4 10 4 7 Model 353 354 to Model 345 Connections Analog Mode sese 4 11 August 2000 CONTENTS UM345 1 4 7a Procidia to Model 345 Connections sese nre enne nennen 4 12 4 8 APACS Critical Analog Module to Model 345 Connections eee 4 13 4 9
34. 100 mA Maximum Input Power Pi 750 mW Maximum Internal Capacitance Ci 35 nF Maximum Internal Inductance Li 0 mH 2 Itis a condition of safe use that the metallic enclosure be bounded to the protective earth with a copper conductor of cross section area not less than 4 mm 3 Itisa condition of safe use for IP66 IP67 applications that appropriately certified cable gland be used 4 Itisa condition of safe use for Group I applications that only the stainless steel version of the equipment with a non crenelated enclosure caps is used August 2000 9 19 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 Certificate TUV No 22 00 08 40001 004 Siemens Moore Process Automation Inc 1201 Sumneytown Pike Spring House PA 19477 USA with production facilities 40001 is authorized to label the following products with the certification mark TUV as shown in the certification mark list See also notes overleaf Product Safety Related Programmable Electronic System Model XTC Critical Transmitter 345 pressure sensor Parameters Structure 1001D AK 1 4 SIL 1 2 1002D AK 1 6 SIL 1 3 Pressure range 0 37820 kPa Nominal current range 4 mA 20 mA Compliance voltage 10 42 VDC Operating temperature range 40 C 85 C Remarks For the certification mark the following text is assigned Functional Safety The product meets the relevant safety requirements and above mentioned properties and was tested
35. 2 Pipe Mount Bracket Model 345 eene enne ens 4 20 4 10 2 Pipe Mount Bracket Models 345A and G sese 4 21 4 11 Universal Mounting Bracket Model 345D seen nre nennen 4 23 4 12 Universal Mounting Bracket Models 345A and 4 24 4 13 Flange Mounted Transmitter Model 345F sese rennen 4 27 4 14 Smart Display Removal and Repositioning eese eren nen enne nenne 4 30 4 15 Conduit Drain and Explosion Proof Installations eese 4 32 4 16 Conductor Termination ree tete ette eae dp ere dete ee ee Lp Ue ce dep erede 4 34 5 1 Equipment Connection for System Checkout eese nennen 5 2 721 Bench Test Connections eee eee ce tastes sch seed nu eet Er HER eoe etu ee etd 7 2 7 2 Field Fest Connections eren e 7 2 8 1 Critical Transmitter Block Diagram cece ceeceseceseeeseeeeceeeseeeseecsaecaaecsaecsaecesecsseeseeseeeeseeeeneesaes 8 1 8 2 Block Diagram Electronics Module and Sensor Assembly eee 8 2 9 1 Dimensions Model 345D Transmitter esee nennen nennen nene en enen enne eene eene enn 9 10 9 2 Dimensions Models 345A and 9 11 A 1 Function Block Arrangement in the Model 345 Transmitter sere 1 D 1 Elev
36. 25 50 75 and 100 of the configured range Check for the corresponding pressure readings and current values HELP SAVE This completes commissioning and bench testing of the transmitter If this is a Safety Instrumented System refer to Appendix G 8 1 Pre Start up Acceptance Test August 2000 3 5 COMMISSIONING AND BENCH TESTING UM345 1 3 6 August 2000 UM345 1 INSTALLATION 4 0 INSTALLATION Transmitter installation is discussed in this section Topics include equipment delivery and handling environmental and installation considerations and mechanical and electrical installation IMPORTANT Before installing or servicing a transmitter e Read the information on the nameplate and ensure that the correct model is at hand and that the correct procedures are followed See Section 9 1 Model Designations for an explanation of the model designation alphanumeric sequence shown on the nameplate e installation must conform to the National Electrical Code and all other applicable construction and electrical codes Refer to the installation drawings in Appendix B when locating a transmitter in a hazardous area e Refer to Section 9 3 6 Special Conditions for Safe Use for approval agency requirements that affect installation and use of the instrument Refer to Appendix for CENELEC EEx d installations e See Appendices G and H before installing the transmitter in a Safety Instrumented System that requires T
37. 4 condensate actual span setting H B E from range limit given B Distance X Dem in specification E 5 B B j H Q X03070S0 d 2 e HpP9 95 p FIGURE D 1 Elevated Span Example FIGURE D 2 Suppressed Span Example A brief discussion of how to make adjustments for elevation and suppression follows Then two examples of the calculations needed to determine configuration parameters are given Finally a brief procedure that does not involve calculations is provided D 1 HOW ADJUSTMENT IS MADE Because the Model 345 can handle elevation and suppression simply by setting parameters in the Sensor Input Block it is not necessary to introduce mechanical measures such as installing piping backwards or adding additional hardware The range of the transmitter can be set anywhere forward or reverse acting as long as the following criteria are met LRL LRV URL LRL URV URL Span URV LRV Min Span Note that the URL Upper Range Limit LRL Lower Range Limit and Min Span are transmitter capsule type dependent August 2000 D 1 APPENDIX D ELEVATION AND SUPPRESSION UM345 1 D 2 ELEVATION CALCULATION EXAMPLE Figure D 3 shows a sample transmitter installation 1 Calculate the differential pressure as follows x SpG uign side x SPG Low side where H Height 2 Calculate the LRV when the tank is empty LRV 120 x 1 0 uign side 0 x 1 0 Low s
38. AIChE 345 E 47 St NY NY 10017 Functional Safety Fundamental Safety Aspects to be Considered for Measurement and Control Equipment document number DIN V 19250 1994 August 2000 G 1 SAFETY INSTRUMENTED SYSTEM UM345 1 Principles for Computers in Safety related Systems Requirement Class AK 1 6 document number DIN V VDE 0801 1990 including Annex A1 1994 Quality Assurance Manual of IQSE document number QSH IQSE Version 1 1 Environmental Testing Test Ab Cold 40 C 96 hr document number IEC 68 Part 2 1 1985 Environmental Testing Test Ab Cold 40 C 16 hr document number IEC 68 Part 2 1 1985 Environmental Testing Test Bb Dry Heat 85 C 96 hr document number 68 Part 2 2 1980 Environmental Testing Test Bb Dry Heat 85 C 16 hr document number IEC 68 Part 2 2 1980 Environmental Testing Test Na Temperature Change 25 C 3 5 hr change to 70 C 3 min 2 times document number IEC 68 Part 2 14 1987 Environmental Testing Test Nb Temperature Change 5 C 3 hr change to 40 C 3 5 hr 3 C min 5 cycles document number IEC 68 Part 2 14 1987 Environmental Testing Test Db Damp Heat Cyclic Test 25 C 12 hr change to 55 C 9596RH 12 hr 2 cycles document number IEC 68 Part 2 30 1986 Environmental Testing Test Ca Damp Heat Steady State 40 C 93 RH 96 hr document number IEC Part 2 3 1986 Environmental Testing
39. Communicator Utility a 1 gt Configure Communic 2 System Information 3 Listen for PC 4 Storage Location 5 Simulation HART Communicator Configure Communica 1 gt Polling 2 Contrast 3 Off Time 4 Ignore diagnostics HELP August 2000 MODEL 275 HART COMMUNICATOR UM345 1 2 5 4 2 System Information From the Utility menu press 2 to access the System Information menu at right This menu can be used to provide information on the motherboard e g firmware revision number the module hardware and software characteristics and the Data Pack EEPROM 2 5 4 3 Listen for PC Not implemented in firmware release 1 6 2 5 4 4 Storage Location From the Utility menu the Storage Location menu at right provides access to data concerning the Memory Module or the Data Pack Information available through this menu includes a label for the Memory Module or Data Pack a feature that displays the total storage used bytes and the storage remaining free bytes The PC selection is not implemented in firmware release 1 6 2 5 4 5 Simulation The HART Communicator provides a mode that allows users to simulate an on line connection to a HART compatible device without connecting to the device The simulation mode is a training tool that allows users to become familiar with different devices before configuring them in a critical environment Simulation of an on line connection is done by selecting a manufacture
40. Critical Transmitter Figure 8 1 is a functional block diagram that shows the sensor module and the circuits that make up the electronics module The transmitter family consists of four model types Differential Pressure 345D Absolute Pressure 345A Gauge Pressure 345G and Flange Mounted Liquid Level 345F All models use the same interchangeable electronics module All of these can communicate with a HART Communicator or a Primary Master controller using the HART protocol The Critical Transmitter is based on QUADLOG s proven architecture which includes dual processors with comprehensive self tests plus a secondary shutdown path controlled by diagnostics The Critical Transmitter includes both sense and reference sensors to compare and verify the pressure capsule s health It also features diverse digital processors using dissimilar technology to avoid common cause which calculate and verify pressure range for fail safe operation Moreover the transmitter automatically switches to its built in secondary current source when its diagnostic circuitry detects any number of internal or external failures See Figure 8 1 ASIC Dual Element MycroSENSOR Microprocessor A D Linearization amp gt D A Detects Compensation known V failure Comparator Output 1 modes Diagnostic re Ci
41. For access to Model 345 terminals remove enclosure cap Maximum loop cable length calculated by formula in Section 4 3 AG00329a FIGURE 4 7a Procidia i pac to Model 345 Connections Analog Mode 4 12 August 2000 UM345 1 INSTALLATION CAM CAM Module Rotes J 1 The HART Communicator is a non polar device 2 Resistor P Ns 14705 99 2K and 14705 100 3 92K 3 denotes twisted pair wiring Interconnect I 0 Cable Assembly 2 9 N SAM CAM ECCE lt a Marshalled Termination j Assembly SAM CAM te 22 7854 5 6 Me OR D dac ee eee ee 29 30 31 32 Wiring For Analog Input Channel SH lagalaalaae l Model 275 HART Communicator See Notes 1 amp 3 Model 345 Critical Safety Transmitter SA 00015 01 345 DWG FIGURE 4 8 APACS Critical Analog Module to Model 345 Connections August 2000 4 13 INSTALLATION UM345 1 4 3 5 Power Supply Requirements A power supply is needed to power the transmitter s The power supply can be e a separate stand alone supply c
42. G 3 1 Safety Life Cycle Steps The safety life cycle involves the following general steps 1 Perform conceptual process design Perform process hazard analysis and risk assessment Apply non SIS protection layers to prevent identified hazards or to reduce risk Xe pes oS Determine if an adequate number of non SIS protection layers have been provided If a SIS is appropriate establish the requirements by defining a target safety integrity level SIL Develop safety requirement specifications Develop the SIS conceptual designs that may meet the safety requirement specifications Perform detailed design Install the SIS 2p 799 i Perform the SIS commissioning and pre startup acceptance test PSAT 10 Develop SIS operation and maintenance procedures at any step of the safety life cycle but complete them prior to startup 11 Perform pre startup safety review PSSR prior to startup of the SIS 12 Place SIS in operation after PSSR including start up normal operation maintenance and periodic functional testing 13 Perform modifications in accordance with the management of change MOC procedure The appropriate steps in the safety life cycle shall be repeated to address the safety impact of the change 14 Perform Proof Testing Proof testing needs to be performed once per year as defined in Section 9 0 15 Plan the decommissioning of the SIS and take appropriate steps to ensure that this is accomplished i
43. G 7 3 2 5 Safety Man gemient eiecit tico etd e Feet eL E Oe REEL G 8 G 2 6 SIS Documentation Requirements essere nennen eterne G 8 G S THE SAFETY LIFE CYCLE ien ne ee etie ge EE IE een ed eene tue G 9 3 3 Safety Lite Cycle St ps side de o dier et G 9 G 3 2 SIS Application Scope rennen G 10 G 4 PROCESS DESIGN AND HAZARD ANALYSIS eene nennen G 10 G 5 SAFETY INSTRUMENTED SYSTEM DESIGN eere nennen G 10 3 5 1 Single Analog Sensors cesses ijt Rte d a eure deca mic G 10 6 52 Dual Analog eee ee tre ete Laer dp ederet G 10 5 3 Triple Analog SerSOtS eor C ree o eer t npe ee G 11 iv August 2000 UM345 1 CONTENTS G 6 INSTALLATION COMMISSIONING AND ACCEPTANCE TEST G 11 5 6 1 Ins tal lat Oni vies o eee e oto reset entrent oe egi ues G 11 G02 Commissionilig rne pt be coves er csc G 12 2 6 32 Testo ue e ei eee fee ete eet ea dee bes HARUM EO ERR e COE G 12 3 644 Activating Secure Mode cepta A Te E eee tet tg dde G 12 G 7 OPERATION AND MAINTENANCE PLANNING eere nennen G 12 G 7 1 On line Configuration Editing eese ener nre G 12 3 7 2 Proof TES
44. If OK was pressed the Communicator displays Setting fld dev output to 4 mA Press OK F4 to continue or press ABORT F3 to terminate the procedure Observe the DMM reading type the reading on the screen displayed at right and press ENTER F4 to confirm the value Press ABORT F3 to terminate the procedure without calibrating the DAC MPCO 345A PT100 Enter meter value 4 000 HELP DEL ABORT ENTER 7 6 August 2000 UM345 1 CALIBRATION AND MAINTENANCE 10 The Communicator displays a confirmation message Fld dev output 4 000 mA equal to reference meter If this is true press 1 to indicate YES If it is false press 2 to indicate NO If the answer NO is selected the display goes back to the one shown in step 9 Enter the correct value and proceed Typical value is 4 00 mA 0 025 mA 11 After completing the 4 000 mA calibration the Communicator displays the message Setting fld dev output to 20 mA Press OK F4 to continue or press ABORT to terminate the procedure 12 Observe the DMM reading type the reading on the screen displayed at right and press ENTER F4 to confirm the value Press ABORT F3 to terminate the procedure without calibrating the DAC 13 The Communicator displays a confirmation message Fld dev output 20 000 mA equal to reference meter If this is true press 1 to indicate YES If it is false press 2 to indicate NO If the
45. OPERATION The Model 345 has three built in magnetic switches for local operation They are located on the electronics module and are actuated through the wall of the transmitter enclosure using the supplied magnetic screwdriver supplied with each unit P N 20027 84 MOORE PRODUCTS Straight Slot Tip Magnetic End IMPORTANT Use only the supplied magnetic screwdriver to actuate the magnetic switches Other magnets can cause inconsistent switch behavior The three switch targets are labeled Z zero FS fullscale and D damping Although pushbuttons are not involved use of these switches is often called the pushbutton mode Local functions that can be performed with the magnetic switches are described below Note that the Configuration Jumper on the electronics module must be in the Enable position for the pushbuttons to be operational August 2000 6 11 ON LINE CONFIGURATION AND OPERATION UM345 1 6 3 1 Smart Display Functionality The optional Smart Display can display the measured variable MV process variable PV or MV units See Figure 1 6 The PV and MV units appearing on the Smart Display are chosen during configuration of the Operator Display function block see Section 6 2 1 2 from the following options e range show values as percent of full span 96 e PV units show values in the units chosen for the process variable ENG e MV units show va
46. Present Model s 340 B switch design Always verify the Model and Field Device Revision for the device at hand using the Quick Access Key Status Model command of the Model 275 HART Communicator 2 5 MAIN MENU When the Communicator is not connected to a device the first HART Communicator menu to appear after powering up is the Main menu at right If 1 Offline the Communicator is turned on when connected to a device 2 Online access the Main menu by pressing the LEFT 3 Frequency Device ARROW PREVIOUS MENU key Depending on which 4 Utility submenu of the on line series is displayed it may be necessary to press the LEFT ARROW PREVIOUS MENU key more than once Alternatively press HOME F3 to display the Online menu followed by the LEFT ARROW PREVIOUS MENU key to display the Main menu From the Main menu access additional menus by moving the cursor to them with the UP or DOWN arrow keys followed by pressing the RIGHT ARROW SELECT key or simply by pressing the appropriate number 1 4 on the alphanumeric keypad 2 5 1 Offline Menu The Offline menu provides access to two menus New Configuration and Saved Configuration These menus can be accessed without the transmitter password and without connecting to a HART compatible device The Online menu must be accessed to download a configuration to a transmitter 2 10 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR From the Main menu press 1 on t
47. Removal The terminal board assembly usually can be replaced at the installation site if not remove the transmitter for bench servicing 1 Ifthe transmitter is online use the proper procedures to the shut down the process 2 Turn off the transmitter and remove the enclosure cap to access the terminal board 3 Retrieve the anti static wrist strap from the maintenance kit see Section 7 2 1 and snap it on your wrist Connect the ground clip to the transmitter or mounting bracket 4 Using a medium size flat blade screwdriver or a T 10 Torx wrench remove the terminal board mounting screw just above the Moore logo 5 Lift the terminal board straight out of the compartment 6 Discard the defective board Replacement 1 Retrieve the anti static wrist strap from the maintenance kit see Section 7 2 1 and snap it on your wrist Connect the ground clip to the transmitter or mounting bracket 2 Remove the replacement terminal board assembly from its packaging carefully align it with the enclosure casting and the two feed thrus and press firmly until it seats inside the enclosure Insert and tighten the terminal board mounting screw 4 Replace the enclosure cap and tighten If necessary reinstall the transmitter in the field 5 Restore power to the transmitter Calibration is not required August 2000 7 17 CALIBRATION AND MAINTENANCE UM345 1 7 5 NON FIELD REPLACEABLE ITEMS Certain components are not replaceable excep
48. Using the two supplied 7 16 20 x 3 4 bolts secure the transmitter to the bracket Models 345A and G 2 Pipe Mount Brackets Figure 4 10 1 Note direction of pipe run and orient the transmitter against the mounting bracket 2 Install the supplied U bolt lockwashers and nuts to secure the transmitter to the bracket Model 345D or Model 345A or G with Tantalum Diaphragm Universal Bracket Figure 4 11 1 Align a pair of holes in the transmitter end caps manifold with either of the two pairs of elongated holes in the bracket If the transmitter has a Smart Display be sure it can be viewed as this bracket limits enclosure rotation 2 Using the two supplied 7 16 20 x 3 4 bolts secure the transmitter to the bracket Models 345A and G Universal Bracket Figure 4 12 1 Orient the transmitter against the mounting bracket 2 Install the Adapter Bracket using the supplied screws 3 Using the supplied U bolt lockwashers and nuts install the transmitter to the bracket 3 Fasten mounting bracket to pipe 1 Atthe selected location on the pipe and in the desired orientation place the pipe groove side of the mounting bracket against the desired part of the pipe surface As necessary loosen the enclosure rotation set screw and rotate the enclosure to clear the pipe or provide for viewing an optional Smart Display 2 Slip the supplied U bolt around the pipe and through one of the two pairs of mounting holes in the bracket 3 P
49. a wider range of values for 0 100 0 65535 Consult the manufacturer s data for setting or scaling integer ranges The example in Figure H 3 is for a PLC analog input system that supplies integers H 2 August 2000 UM345 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM FUNCTION BLOCK CRITICAL_XMTER XMTR_IN SHORT FAILHI gt OVRNG OKAY UNDRNG FAILLO OPEN input engineering units set 0 4 FUNCTION BLOCK BODY and 100 20 XMTR_IN SHORT Short Circuit or transducer failed high OVRNG max overrange value is 20 5 mA Over range OKAY 100 corresponds to 20 0 mA Signal within normal range UNDRNG 0 corresponds to 4 0 mA Under range FAILLO Transducer failed safe low min underrange value is 3 8 mA OPEN Open Circuit 3 6 failsafe value is 3 7 mA if input engineering units set 0 0 0 EINLO and 100 1 0 EINHI use this equation to set comparison values CompValue analog mA value 4 16 FIGURE H 2 Transmitter Function Block for Floating Point Input August 2000 H 3 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM UM345 1 FUNCTION BLOCK CRITICAL XMTER XMTR IN SHORT FAILHI OVRNG OKAY UNDRNG FAILLO FUNCTION BLOCK BODY
50. according to e DIN V 19250 1994 DIN IEC 68 parts 2 1 e DIN V VDE 0801 1990 2 2 2 6 2 14 2 27 2 30 e DINV VDE 0801 A1 1994 e EN 50082 2 1995 e IEC 61508 Part 2 1999 e EN 50081 2 1995 e IEC 61508 Part 3 1998 The product complies with the above listed safety requirements only if the specifications documented in the report to the certificate are met The report to the certificate no MS53398C in the currently valid revision is a mandatory part of this certificate Released with No of Certificate by the Certification Body of TUV PRODUCT SERVICE GmbH Organization unit ASE IQSE M ller Date 21 August 2000 T V PRODUCT SERVICE GMBH Zertifizierstelle Ridlerstrasse 65 D 80339 M nchen 9 20 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS DECLARATION OF CONFORMITY according to EN 45014 Moore Products Co Sumneytown Pike Spring House PA 19477 Declare under our sole responsibility that the product Model 345 Critical Transmitter when labeled with the CE mark to which this declaration relates is in conformity with the following standards or other normative documents EN50081 2 Electromagnetic compatibility Generic emission standard Industrial environment EN50082 2 Electromagnetic compatibility Generic immunity standard Industrial environment following the provisions of the EMC Directive 89 336 EEC and amended by 91 263 EEC 92 31 EEC and 93 6
51. add both of them to the menu The Communicator automatically saves them so they can be accessed quickly by pressing the Quick Access Key From one of the menus or submenus reached via the Online menu use the following steps to add customized options to the Quick Access Key Menu 1 Using the UP or DOWN arrow keys move the menu bar to highlight the option to be added to the Quick Access Key menu e g Damping under the Configure Xmtr Sensor Input menu Press any shift key release it then press the Quick Access Key The Hotkey Configuration menu displays at right The Hotkey Configuration menu displays the new topic being added to the list of current Quick Access Key options For example in the figure at right Damping is being added Press ADD F3 to add the option Pressing EXIT F4 terminates the procedure and displays the menu that was displayed when Shift Quick Access Key was pressed After pressing ADD F3 either press ALL F1 to add the new option to the Quick Access Key menu for all the HART compatible devices supported by the Communicator or press ONE F4 to add the option to the Quick Access Key Menu only for the type of device that is currently connected Next the question Mark as read only variable on Quick Access Key menu may appear Press YES F1 to mark the variable for this option as read only Press NO F4 to mark the variable as read write Marking a parameter for a device as read only allows
52. aes 1 gt Loop Override 4 Ifthe Online menu does not appear or if a Device not 2 Calibrate Test found message displays check connections and try again 3 Configure Xmtr 4 Setup Done 3 3 TESTING THE TRANSMITTER HELP SAVE Although the transmitter continuously performs an on line self test e g ROM RAM EEPROM internal power supply voltage monitoring output current verification an additional self test can be performed when communication with the HART Communicator has been established 1 Set the Configuration Jumper on the electronics module to enable See Figure 4 14 for jumper location 2 From the Online menu choose option 3 Configure Xmtr 3 From the Write Protect menu choose 1 Enter Password Type the default transmitter password 12345678 or the Note To enter a new password user assigned password for that transmitter and press Enter see Section 6 2 1 1 Press the left arrow to return to the Online menu 4 From the Online menu choose option 2 Calibrate Test to display the Calibrate and Test selections MPCO 345A PT100 5 From the Calibrate Test menu choose option 1 Selftest WARNING Self test Press the RIGHT ARROW SELECT key to start the test may bump transmitter 6 The Communicator will display a warning screen at right output If a process might be harmed by a change in transmitter 1 ABORT output press 1 ABORT to stop the test If it is okay to 2 CONTINUE proceed press 2 C
53. also contains a list of tested barriers Before installing a transmitter in a hazardous area check the nameplate and Sections 9 1 and 9 3 of this manual for required approvals or certifications Explosion Proof Installation If the installation is required to be explosion proof as defined by the National Electrical Code refer to a current copy of the Code and the following e User supplied explosion proof conduit seals glands are required on transmitter housing conduit outlets and any installed junction boxes See Figure 4 15 e Explosion proof glands must provide a good seal Apply a sealing compound around the sealing surface if necessary e Power wiring conduit entries at the transmitter must have a minimum of five threads fully engaged e The enclosure cap must be installed and have a minimum of eight threads fully engaged with no damaged threads permitted e Go to Section 4 7 for wiring connections to the transmitter s terminals Refer to Appendix B for hazardous area installation This completes the physical installation August 2000 4 35 INSTALLATION UM345 1 4 36 August 2000 UM345 1 POST INSTALLATION CHECKOUT 5 0 POST INSTALLATION CHECKOUT This section provides guidelines to verify that the proper transmitter is installed correctly wired and operational prior to placing the system in service If the transmitter was not commissioned on the bench prior to installation refer to Section 3 before pro
54. arrow icon N or 7 to appear in the upper right hand corner of the LCD When shift is activated the indicated alpha characters or symbols are entered when the keypad is used Example To enter a number such as 7 simply press the number key To enter one of the small characters appearing above the large numeral 1 a letter space or mathematical symbol first press and release the corresponding shift key at the bottom of the keypad then press the desired alphanumeric key To enter the letter E press and release the middle shift key then press the number 2 key To deactivate a shift key without entering a letter space or mathematical symbol simply press that shift key again August 2000 2 7 MODEL 275 HART COMMUNICATOR UM345 1 2 4 GETTING TO KNOW THE COMMUNICATOR The HART Communicator operates in either of two modes on line or off line Off line operation is used to create or edit a configuration that can then be downloaded to a HART device such as the Model 345 On line operation is used to download a configuration to a HART device upload a configuration edit HART device operating parameters and monitor process values For off line operation the Communicator need not be connected to a HART device On line operation requires a connection to a HART device The menu that appears first when the Communicator is turned on depends on the mode When the Communicator is powered up in off line mode the
55. barriers shown Interconnect all cable shields and ground only at the barriers FIGURE 2 2 HART Communicator Connections to a Transmitter Loop August 2000 2 3 MODEL 275 HART COMMUNICATOR UM345 1 A 40 1 m cable with a dual banana plug on one end and two mini grabber plugs on the other is provided The dual banana plug is inserted into the top of the Communicator The mini grabber clips are connected to lugs in the transmitter s terminal board compartment or to the loop s current sense resistance usually at a receiving instrument see Note below NOTE The HART protocol requires a network loop resistance between 250Q and 1100Q to support communications See Section 4 3 5 to determine resistance value and loop supply voltage 2 3 CONTROLS OVERVIEW As shown in Figure 2 1 the front of the HART Communicator has five major functional areas liquid crystal display LCD function keys action keys alphanumeric keys and shift keys The next five sections describe how each of these functional areas is used to enter commands and display data 2 3 1 Liquid Crystal Display The liquid crystal display LCD is an 8 line by 21 character display that provides communication between the user and a connected device When the HART Communicator is connected to a transmitter or other HART compatible device the top line of the Online menu displays the model name of the device and its tag A typical display is shown below MPCO 345A PT100 O
56. cable 1 Capacitance between the two conductors 2 Capacitance between one conductor and the other conductor s connected to the shield This capacitance is the worst case value and is to be used in the cable length formula 4 3 6 2 Maximum Cable Length Calculation The maximum permissible single pair cable length is 10 000 feet 3000 meters or less as determined by the following formula 65 000 000 C 10 000 Se RxC C Formula Definitions L The maximum total length of cable permitted to construct the network L feet when C is in pF ft L meters when C is in pF meter R The Network Resistance which is the ohmic sum of the current sense resistance and barrier resistance both return and supply if any in the network and the resistance of the wire C Cable capacitance per unit length between one conductor and the other conductor connected to the shield C may be in pF ft or pF meter Total input terminal capacitance of field instruments the Primary Master is excluded C is given by the following formula C sum of all C values x 5000 Where C is an integer e g 1 2 3 corresponding to the input terminal capacitance of a Field Instrument C values are determined as follows FIELD INSTRUMENT CAPACITANCE C VALUE Less than 5000 pF 1 5000 pF to less than 10000 pF 2 10000 pF to less than 15000 pF 3 August 2000 4 15 INSTALLATION UM345 1 15000 pF to less than 20000 pF 4 20000 p
57. components used with a single Critical Transmitter Field wiring is simplified because the CAM provides a built in transmitter power supply for each channel Open and short circuit field wiring faults are detected with built in diagnostics Analog Transmitter 4 20 mA ND IOBUS cm QUADLOG Critical _ gt QUADLOG Critical de P Analog Module CAM Control Module CCM AG00234a FIGURE G 1 ANALOG SENSOR ARCHITECTURE G 5 2 Dual Analog Sensors Using dual analog sensors for each process measurement reduces risk especially with sensors that are not specifically designed for fail safe operation Figure G 2 shows the QUADLOG components used in a dual Critical Transmitter configuration Two ordinary analog transmitters may not even satisfy AKA SIL2 requirements This dual configuration may be applicable for safety requirements greater than AKA SIL2 when appropriate manufacturer s restrictions are followed Appendix H includes additional connection information when using the transmitter with QUADLOG or another vendor s PLC In order to quantify the common cause failure between two transmitters a qualitative judgment must be made by the process engineer regarding the nature of the material being measured and independence of the two transmitters If the material being measured is a corrosive material the sensors for both G 10 August 2000 UM345 1 SAFETY INSTRUMENTE
58. correct connection at the transmitter e Use pulling grips and cable lubricants for easier cable pulling Pull cable through conduit into transmitter terminal compartment e Do not exceed the maximum permitted pulling tension on the cables Maximum tension is normally specified as 40 of the cable s breaking strength e Do not exceed the maximum conduit fill specified by the National Electric Code 4 6 2 3 Access to Transmitter Terminal Compartment 1 Remove the enclosure cap closest to the electrical entrance by turning counterclockwise A cap wrench is needed to remove an enclosure cap from a CENELEC approved transmitter 2 Replace the enclosure cap by turning clockwise 4 32 August 2000 UM345 1 INSTALLATION 4 7 ELECTRICAL INSTALLATION This section describes loop wiring for a Point to Point network Refer also to Section 4 8 for installation in hazardous locations Figure 4 16 shows typical conductor terminations WARNING Electrical shock hazard Remove electrical power from all involved equipment wires and terminals 4 7 1 Loop Wiring The following should already have been completed e Analog operating mode confirmed Section 4 3 4 e Power supply selected Section 4 3 5 e Transmitter mechanically installed either Section 4 4 or Section 4 5 e Loop cable pulled through conduit and into terminal compartment Section 4 6 2 To connect the transmitter to the loop perform the following steps 1 Acce
59. eed ee e ee cette 4 14 4 3 6 Cable Capacitance and Maximum Length 4 15 4 3 6 1 Cable Cap citance eie De te te re nee Lee Le a ie ieget toes 4 15 4 3 6 2 Maximum Cable Length Calculation eene 4 15 4 3 7 Network Junctions tite ee eerte i ie e teet sr a dee bss 4 16 4 3 8 Satety Barriers s dg de ee C Re tbe ie a eee 4 16 4 3 9 Connection of Miscellaneous Hardware esee eene nennen 4 17 4 3 10 Shielding and Grounding iieri ai eerte ie eed ette tn on 4 17 4 4 MECHANICAL INSTALLATION MODELS 345D A AND G eee 4 18 4 4 1 Pipe Mounting Models 345D A and 4 18 4 4 2 Flat Surface Mounting Models 345D A and 4 22 4 4 3 Direct Mounting to Process Model 345D 4 23 4 5 MECHANICAL INSTALLATION MODEL 345F eese 4 24 4 6 MECHANICAL INSTALLATION ALL MODELS nennen 4 29 4 6 1 Smart Display Installation Repositioning and Removal eee 4 29 4 6 2 Electrical Conduit and Cable Installation sees nere nennen 4 31 RESUME 4 31 4 6 2 2 Cabl Sz a ERES e Ret ee RE ERO SR o CO ee b er Reo ea 4 32 4 6 2 3 Access to Transmitter Terminal Compartment sese 4 32 4 7 ELECTRICAL INS TAEDA TI
60. first menu displayed is the Main menu When the Communicator is powered up in on line mode the first menu displayed is the Online menu To work off line when connected to the loop access the Main menu from the Online menu by pressing the LEFT ARROW PREVIOUS MENU key 2 4 1 Display Icons Several different symbols icons appear on the LCD to show the state of the Communicator and provide visible response to actions of the user Figure 2 3 shows the display icons and how they relate to keypad functions HART Communication Z indicates connected device is configured in the burst mode vi gt n HART Communicator 6 Low Battery Device Info 2 Dev Type N Access Additional i ID 0 ES Menu tens 5 MM DD YY 10 10 10 esses Previous Menu X03034S0 FIGURE 2 3 Communicator Displav Icons 2 4 2 Menu Structure The HART Communicator uses a hierarchical menu structure That is high level menus are accessed first and they provide access to lower level menus This structure groups related functions together and minimizes the number of options displayed at once 2 8 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR To learn how the menu structure works perform the following actions 1 With the Communicator off line not attached to any devices press the ON OFF k
61. for repair 7 4 ASSEMBLY REMOVAL AND REPLACEMENT The Smart Display sensor assembly electronics module and terminal board are not user serviceable To replace the Smart Display follow the procedure given in Section 4 6 1 This section describes removal and replacement of the electronics module sensor assembly and terminal board These procedures can be accomplished easily with standard hand tools see Section 7 2 1 for a list of tools 7 4 1 Replacing the Electronics Module Replacing the electronics module requires reaching inside the enclosure Since the sensor assembly cable is short and space is tight use care when engaging the keyed connectors 1 Remove power from the transmitter and if present remove the Smart Display as described in Section 4 6 1 2 To protect the circuit board components from electrostatic discharge place the anti static wrist strap from a maintenance kit see Section 7 2 1 on your wrist and ground it to the enclosure ground screw 3 Gently pull the electronics module forward i e out of the enclosure until the sensor assembly cable can be grasped with thumb and forefinger Hold the cable and pull the electronics module to disengage it from the sensor cable Refer to Figure 4 14 as necessary 4 Setthe electronics module aside in an electrostatic protective container Remove the new electronics module from its container 7 14 August 2000 UM345 1 CALIBRATION AND MAINTENANCE Carefully a
62. for use in industrial field environments including hazardous environments Environmental specifications are found in Sections 9 3 4 9 3 5 and Appendix B G 2 SAFETY AND FUNCTIONAL SAFETY Dangerous fault A fault that would cause the transmitter output to deviate by more than 2 of the expected output based on output span while operating in the normal operation range Failsafe output When a dangerous fault is detected the Critical Transmitter will output 3 7 mA 0 05 mA Some dangerous faults will cause the output to fail low lt 3 6 mA or open circuit or high gt 21 mA Latched Fail Safe Output For T V certified safety applications the transmitter failsafe output must be configured to enter the latched mode This is the factory default The transmitter will recover from this latched output state when the fault is removed and transmitter power is removed and reapplied The auto recovery mode can be configured by the user to reduce or eliminate nuisance output interruptions caused by events external to the transmitter Normal Operating Range gt 4 00mA to lt 20 0mA Under Range gt 3 88mA to lt 4 00mA Over Range gt 20 0mA to lt 20 5mA G 2 1 Safety Accuracy Specifications Output Current Readback Error lt 2 of output span Internal Voltage Monitoring lt 3 LSB of a 8 bit converter Floating Point Error Checking lt 2 of span except normalized values which are lt 2 of reading Se
63. kPa F 12 6 psi 150 450 psi 0 450 psia 14 7 450 psig 150 450 psi 87 kPa 689 3100 kPa 0 3045 kPa abs 101 3100 kPa 689 3100 kPa p Zero Elevation and Suppression The range may be set anywhere between the LRL and URL of the transmitter as long as the calibrated span does not exceed the minimum allowable span see Range and Sensor Limits table Zero and span in the XTC are non interactive Electronic Damping Digital Filter 9 12 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Adjustable between 0 and 30 seconds Transmitter Outputs Each transmitter has e Analog two wire 4 20 mA e Digital HART Communications e Transient Suppressor optional Power Supply Requirements for CENELEC EEx d ia ia requirements see Appendix E Minimum Terminal to Terminal Compliance Voltage 10 Vdc Maximum Terminal to Terminal Voltage 42 Vdc Maximum Load RL 50 x Vps 5000 To ensure digital communications HART requires Loop Resistance 250 to 11000 Ripple inimicus 0 2 Vp p 47 125 Hz 0 6 mV RMS maximum Impedance 10Q maximum Turn On Time The transmitter will perform within specifications within 60 seconds after power is applied Local Indication Optional 4 2 Digit Smart Display Maximum Working Pressure RANGE 345D 345A Network Resistance Ohms 1100 750 500 Xna3n4
64. non signaling hardware ANSI American National Standards Institute APACS Advanced Process Automation and Control System Moore Products Co s solution to your process automation and control needs APACS combines the advantages of a distributed control system DCS with those of a programmable logic controller PLC to meet the demands of both continuous and batch processes AWG American Wire Gauge BARRIER A device designed to limit the voltage and current in a hazardous area even if certain types of faults occur on the non hazardous side of the barrier BARRIER RESISTANCE The maximum end to end resistance of a barrier as specified by the barrier manufacturer If both supply and return barriers are used in a network the barrier resistance is the sum of the end to end resistance of both barriers For active barriers that use resistance to limit current the barrier resistance is the internal resistance between the hazardous area terminal and the barrier internal node where voltage is regulated COMMISSIONING Testing of a transmitter and loop to verify transmitter configuration and loop operation and wiring CONFIGURATION A database or archive created using a HART Communicator and downloaded to a transmitter to define transmitter operation CONFIGURE CONFIGURING The entering of specific parameter data into a HART Communicator to be downloaded to a transmitter to define that transmitter s operating characteristics
65. on a single 2 wire cable This network uses digital signaling only NETWORK A network includes the following items e Transmitter s e Network element controller recorder passive non signaling element or other device e Cabling interconnecting these devices 10 2 August 2000 UM345 1 GLOSSARY e Barriers for intrinsic safety if installed e Current sense resistor NETWORK ELEMENT Any field instrument or primary or secondary master NETWORK RESISTANCE The sum of the current sense resistance barrier resistance if any and any other resistance on the network NPT National Pipe Thread PES Programmable Electronic System POINT TO POINT NETWORK A network having a single field instrument and primary master Analog signaling or analog plus digital signaling is possible POLLING ADDRESS A unique number assigned during configuration that identifies a transmitter connected to a network An address between 1 and 15 assigned to a transmitter connected to a Multi Drop network A transmitter connected to a Point to Point network has 0 as an address PRIMARY MASTER The single controlling network element that communicates with one or more field instruments PROBABILITY OF FAILURE ON DEMAND PFD The probability that a device or SIS will not perform its preprogrammed action during a specified interval of time usually the time between periodic inspections PROOF TESTING INTERVAL The minimum interval require to
66. pressure Layers of glass and silicon are combined to form the capacitive sensor element These layers are anodically bonded to form a seal that is stronger than the glass itself and provides a monolithic structure that is extremely stable and has no measurable hysteresis The custom ASIC which is mounted on the header of the capacitive sensor element contains inverter gates that form an oscillator and buffer circuitry The capacitive sensor element is switched into the ASIC s inverter gates and forms an enhanced multimode oscillator EMO which generates three frequencies based on the capacitive measurements of C and C C These frequencies are amplified and buffered by the ASIC and presented as CMOS compatible square wave outputs for processing by the electronics module 8 2 ELECTRONICS MODULE The electronics module located in the transmitter s enclosure consists of one surface mount electronics board attached to a plastic cup which holds the board within the enclosure A separate terminal board located on the opposite side of the enclosure dividing wall contains surge and noise filter circuitry and may include an optional transient suppressor board The electronics module consists of 8 2 August 2000 UM345 1 CIRCUIT DESCRIPTION e Standard Bell 202 modem that uses the frequency shift keying FSK technique to communicate via the HART protocol e Microcontroller that e Controls communications e Corrects and linea
67. protection must be employed when handling a circuit board A Maintenance Kit PN 15545 110 containing a wrist strap and conductive mat is available from Siemens Moore Equivalent kits are available from mail order and local electronics supply companies 7 2 2 Transmitter Exterior Inspection The frequency of the inspection will depend on the severity of the transmitter s environment 1 Inspect the exterior of the transmitter enclosure for accumulated oil dust dirt and especially any corrosive process overspray 2 Check that both enclosure caps are fully threaded onto the enclosure compressing the O ring between the cap and the enclosure The O ring must not be cracked broken or otherwise damaged 3 If an optional Smart Display is installed inspect the protective viewing glass for cleanliness and damage Replace a cracked or punctured glass see Section 7 4 and the Parts List at the back of this Manual 4 Inspect both enclosure electrical conduit entrances for possible moisture leaks An unused conduit entrance must be plugged and sealed Inspect the cable clamps of all watertight cable conduits for loose clamps and deteriorated sealing material Tighten clamps and reseal as necessary If a conduit drain is installed inspect the drain seals for obstructions 6 If subjected to vibration inspect all transmitter and mounting bracket hardware for tightness Tighten loose hardware as necessary Consider steps to reduce vibration
68. results If any tests do not pass a list of correction items should be maintained After corrective action the tests should be repeated until all tests are successful For the Critical Transmitter see the PSAT in section G 8 G 6 4 Activating Secure Mode Secure Mode prevents unauthorized configuration and operating parameter changes The transmitter is in Secure Mode when the Configuration Jumper on the electronics module is set to disable D If the jumper is missing or placed in any position other than the Enable position the transmitter defaults to Secure Mode G 7 OPERATION AND MAINTENANCE PLANNING This section addresses on line configuration editing proof testing and maintenance G 7 1 On line Configuration Editing The Critical Transmitter supports on line editing of a configuration for troubleshooting start up and commissioning To make on line changes 1 Place the Configuration Jumper on the electronics module in the enable position See Figure 4 14 2 Execute the password command to allow configuration changes See Section 2 0 for operation of the Model 275 Universal HART Communicator Edit the configuration as described in Section 6 On Line Configuration and Operation 4 Return the Configuration Jumper to the disable position after editing of the configuration is completed This is the Secure mode of operation G 12 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM G 7 2 Proof Testing Periodically proo
69. signal is typically wired into a standard analog input hardware module or interface that will convert an input signal to a real number floating point value and scale it to a user configured range Limits of 0 and 100 are set for the analog input channel It is most convenient to set these limits to 4 and 20 respectively so the normal out of range and failsafe values can be compared without excessive PLC calculations The example function block in Figure H 2 is for a PLC analog input system that supplies floating point values However use caution if the analog input function clips or limits the scaled value at the user configured minimum and maximum values Example An analog signal of 4 0 mA represents 0 0 and a value of 20 0 mA represents 100 0 if the output would never fall below 0 0 or rise above 100 0 the 3 7 mA failsafe value would not be recognized In this case the 0 and 100 limits should be set so the full 0 22mA range is covered This allows the 345 s fail safe signal 3 7 mA to be generated and compared in the system If the input hardware supplies the analog signal as an integer the system input range should be scaled so data comparison can be performed based on the NE 43 range For a 12 bit A D a typical situation will be a 0 0 20 0 mA signal that corresponds to an integer range of 0 4095 This means 4 0 mA 819 3 7 mA 758 The hardware may or may not be able to go beyond the 4095 limit For 16 bit A D there is
70. the Critical Transmitter input 1 is considered to be other than good ERR 2 BOOL This flag will be set TRUE when the quality of the Critical Transmitter input 2 is considered to be other than good August 2000 H 7 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM UM345 1 H 3 VOTE 1002D FUNCTION BLOCK BODY FUNCTION BLOCK VOTE 10o02D VAR INPUT Input variable declarations IN2 REAL OVER OK1 UNDER1 OVER2 OK2 UNDER2 BOOL FAILSAFE DELTA REAL DELAY TIME END VAR VAR OUTPUT Output variable declarations OUT REAL FSAFE OUT DELTA ERR ERR 1 ERR 2 BOOL END VAR VAR Local variable declarations BAD1 BAD2 DELAY START DELAY OVER BOOL DIFF1 DIFF2 DELTACALC REAL TIME DELAY TON Declares a Time on Delay TON function block with the instance name TIME DELAY END VAR Function Block Body FSAFE OUT FALSE Reset the Failsafe flag DELAY START FALSE Reset the delay start signal DIFF1 ABS OUT IN1 Difference between this reading and the block output last scan DIFF2 ABS OUT IN2 These values will be used to select the output if both are good This section determines the status of the inputs and sets the error flags accordingly BADI NOT OVERI OR OK1 OR UNDERI BAD2 NOT OVER2 OR OK2 OR UNDER2 ERR 1 BADI ERR 2 BAD2 This section will calculate the difference between the
71. the Critical Transmitter is outputting the 3 7 mA failsafe value it still may be possible to communicate using HART HART configuration changes require that the Configuration Jumper be in the enable position and the transmitter password be entered A fault that causes the independent second current source to fail 3 7 mA failsafe output will cause HART communications to fail Considerations Outside the Critical Transmitter Problems encountered in peripheral equipment and installation wiring should be considered and remedied These problems include wire shorts opens and under over voltage conditions The latching feature can detect a low compliance voltage fault 10V typically 8 5 V and latch the transmitter output at 3 7 mA If the output did not latch oscillation could occur Over voltage safety components e g barriers terminal boards sink current It is possible for a slightly high compliance or oscillating voltage to cause these circuits to draw extra current that is outside the control of the Critical Transmitter These currents should be in the fail over range area gt 20 5 mA Accuracy Considerations A large turndown can affect accuracy see Section 9 3 2 Note static pressure effect and compensation see Section 9 3 4 Mechanical Faults not Detected Clogged or damaged impulse pipes These are not detected by transmitter diagnostics Piping should be periodically inspected and cleaned Refer to Section 7 2 6 If clogged or d
72. the attribute e g 3 for Software rev to view the BO rev 2 attribute value then press EXIT F4 to return to the Model 4 Sensr s n 1377010 Runner meny V5 USL 5 87 inHg 3 Inthe same manner press 2 through 6 on the keypad to HELP SAVE observe any attributes not showing on the display then press EXIT F4 to return to the Model Number menu 4 Press LEFT ARROW PREVIOUS MENU to display the Status menu 5 To observe errors press 2 on the keypad to initiate a check for errors The Communicator checks for errors then displays No Errors or appropriate error codes see Section 7 Press OK to display the Status menu 6 To view the alarms status press 3 on the keypad to MPCO 345A PT100 display the Alarms menu at right Depending on the Alarms a Communicator configuration data may be showing for each 1 gt Alarm 1 Silent transmitter attribute 2 Alarm 2 Silent 3 Out of Service Off 4 Al Setpoint 5 A2 Setpoint SAVE 7 Press the appropriate keypad number to observe the current status 1 2 or 3 or observe or change the alarm setpoint 4 or 5 8 After observing data for any variable press the F3 EXIT or ABORT softkey to return to the Alarms menu 9 If desired type a new setpoint for Alarm 1 or Alarm 2 and either press ENTER F4 to confirm the new value or press ABORT F3 to return to the Alarms menu without making a change 10 Press the LEFT ARROW PREVIOUS MENU key
73. the table has current revisions of technical literature in Portable Document Format for downloading e send an instrument to Siemens for repair request a Return Material Authorization RMA IMPORTANT An instrument must be thoroughly cleaned decontaminated to remove any process materials hazardous materials or blood born pathogens prior to return for repair Read and complete the Siemens RMA form s TABLE 1 1 Contact Information Telephone 1 800 569 2132 option 2 for Siemens Moore brand instruments Fax NORTH AMERICA Email Hours of Operation 8 a m to 6 p m eastern time Public Internet Site Repair Service Outside of North America see the Siemens web site at www sea siemens com ia locate Customer Support Process Instrumentation and click the Contact Tech Support link to access the Global Support link 1 10 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR 2 0 MODEL 275 UNIVERSAL HART COMMUNICATOR The Model 275 Universal HART Communicator is a handheld interface that provides a common communication link to XTC 345 series transmitters and other HART compatible instruments This section describes HART Communicator connections liquid crystal display keypad and on line and off line menus It also provides overviews of some of the Communicator s functions The Communicator is shown in Figure 2 1 For information about the Communicator s battery pack Memory Module Data Pack
74. time to detect a single dangerous fault The Critical Transmitter can detect a dangerous fault in 1040 ms FIELD INSTRUMENT A network element that uses current variation for digital signaling or digital plus analog signaling GAUGE PRESSURE A pressure measured against atmospheric or barometric pressure as a reference The units of measurement are called gauge pressure units For example psig pounds per square inch gauge HART Highway Addressable Remote Transducer A communication protocol that provides simultaneous analog and digital signaling between master and slave devices It is supported by the HART Communications Foundation HART NETWORK A single pair of cabled wires and the attached communicating HART elements INTRINSICALLY SAFE INSTRUMENT An instrument that will not produce any spark or thermal effects under normal or abnormal conditions that will ignite a specified gas mixture LOWER RANGE LIMIT LRL The lowest value of the measured variable that a transmitter or other measurement device can be configured to measure LOWER RANGE VALUE LRY Representing the 4 mA point in the transmitter s output the LRV is the lowest value of the measured value that the transmitter can be configured to measure MAXIMUM OVERRANGE The maximum pressure static differential that can be applied safely to a transmitter MULTI DROP NETWORK A HART network having from 1 to 15 field instruments that are parallel connected
75. to return to the Alarm Block menu without making a change DEL ABORT ENTER 5 To change the Alarm 1 type press 3 on the keypad to display the A1 Type menu August 2000 6 7 ON LINE CONFIGURATION AND OPERATION UM345 1 6 Use the UP or DOWN arrow key to choose either Low or High then either press ENTER F4 to confirm the new type or press ESC F3 to return to the Alarm Block menu without making a change NOTE Configuration of the preceding functions is identical for Alarm 2 7 To turn the self clearing NAK non acknowledgment on or off press 7 on the keypad to display the Self Clearing NAK menu On means that alarms for conditions that no longer exist will be cleared automatically Off means that all alarms must be acknowledged 8 Use the UP or DOWN arrow key to choose either On or Off then either press ENTER F4 to confirm the selection or press ESC F3 to return to the Alarm Block menu without making a change 9 Tochoose whether to disable alarms when the transmitter is out of service press 8 on the keypad to display the Out of Service menu 10 Use the UP or DOWN arrow key to choose either Off or On then either press ENTER F4 to confirm the selection or press ESC F3 to return to the Alarm Block menu without making a change 11 Go to the next section or the next desired function block 6 2 2 SEND and SAVE a Configuration When the Configure Xmtr menu is first displayed i
76. to the next section or the next desired function block 6 2 1 6 Autorecover or Latch When an error occurs the transmitter will either Autorecover or Latch e Autorecover enables the transmitter to recover from Failsafe 3 7 mA to the normal operating range once a soft type error is no longer present e Latch holds the transmitter in Failsafe 3 7 mA To exit the Latch mode remove and reapply transmitter power If the error remains the transmitter will again Latch This is the factory default setting Refer to Section 7 to troubleshoot the transmitter and installation 6 2 1 7 Alarm Block Alarm block parameters and the range of values are describedin 345A PT100 Appendix A Default values are in Appendix C Alarm Block 1 From the Alarm Block menu at right press 1 on the 1 gt Alarm 1 Disable keypad to display the Alarm 1 menu 2 Al Setpoint 2 Use the UP or DOWN arrow key to select Enable or eee Disable then either press ENTER F4 to confirm the V5 A2 Setpoint selection or press ESC F3 to return to the Alarm Block SAVE HOME menu without making a change 3 Tochange the Alarm 1 setpoint press 2 on the keypad to MPCO 345A PT100 display the Alarm 1 SP menu This menu at right shows Units are in ftH20 the measured variable units as well as the current setpoint Alarm 1 Setpoint value 1 25 4 Type a setpoint value then either press ENTER F4 to Rem confirm the new value or press ABORT F3
77. users to view but not change the parameter using the Quick Access Key Menu Marking it as read write permits the value to be changed from the Quick Access Key menu Finally Display value of variable on hotkey menu is displayed Press YES F1 to display the current variable associated with the option next to the option on the Quick Access Key menu as shown at right for Damping and Tag Press NO F2 not to display the variable on the Quick Access Key menu When finished adding options press EXIT F4 to exit the Hotkey Configuration menu and return to the menu of the last option deleted MPCO 345A PT100 Hotkey Configuration ADD Damping XMTR Variables Status ADD EXIT MPCO 345A PT100 Quick Access Key 3 Range Xmtr 4 Damping 2 00 s PT100 5 gt Tag HELP SAVE 2 22 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR 2 6 2 Deleting Quick Access Key Options Use the following steps to delete an option from the Quick Access Key menu 1 From any on line menu press any shift key release it then press the Quick Access Key 2 The Hotkey Configuration menu displays at right 3 Using the UP or DOWN arrow key move the menu bar to highlight the option to be deleted and press DEL F2 Factory provided options cannot be deleted 4 When finished deleting options press EXIT F4 to exit the Hotkey Configuration menu and return to the menu of the last option deleted M
78. 0 to 100 inH O across an orifice plate This may represent an actual flow of 0 to 500 GPM The PV Lo and Hi parameters could be configured as 0 and 500 respectively and the PV Units as GPM This range could then be shown on the local Smart Display in place of the MV Range or percent If no Smart Display is installed this range could still be meaningful as other HART devices such as the HART Communicator can read and display this value Auto Rerange The Auto Rerange parameter can be used to link the MV range and PV range By configuring the Auto Rerange parameter to on and making a change to either the MV range or PV range the transmitter will automatically calculate a new range for the other of the two variables This enables the user to re calibrate a DP flow transmitter in flow units rather than pressure units eliminating the need to do tedious calculations through the square root extractor Consider the following example Original PV Original MV New PV Range Automatically Calculated Range Range New MV Range 0 to 500 GPM O to 100 inH2O 0 to 750 GPM to 225 inH O NOTE Auto Rerange operates only with linear and square root transfer functions Local Display Code The Local Display Code parameter is used to select variables for local indication MV Units PV Units or Percent can be selected for a basic display A more powerful display is selected by configuring the Local Display Code as MV PV and Percent This
79. 1 2 1 Removing Zero Shift Zero shift is easily removed by performing the following procedure Prepare by performing the following steps 1 Mount the transmitter in its final mounting position orientation IMPORTANT A bench re zeroing can be performed provided the transmitter is exactly positioned oriented as it will be when installed in the field However field re zeroing is more accurate 2 Pipe the transmitter and adjust applied pressures e Model 345D Differential Pressure Transmitter For best performance NO pressures other than atmospheric should be applied to the transmitter s process HIGH and LOW input pressure ports unless used in a process that has a constant measurable static pressure In this case perform this procedure at the operating static pressure For field mounted differential pressure transmitters with piping connected to the LOW pressure port the manipulation of piping valves and or drains may be needed to ensure the appropriate requirement is met e Model 345A Absolute Pressure Transmitter To zero the transmitter a full vacuum must be pulled on the transmitter A zero off set will occur with less than a full vacuum 3 Connect the HART Communicator to the transmitter and apply power 4 From the Online menu press 2 on the keypad to access the MPCO 345A PT100 Calibrate Test menu From the Calibrate Test menu press Calibrate 2 to access the Calibrate menu at right 1 gt Zero
80. 200 C Inert D Paratherm Output Indicator 5 4 Digit Digital Smart Display N Not Required Standard Options D B7M Bolts X E B8M Bolts Y Not Required Mounting Bracket Wetted Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Hastelloy C 276 Remote Seals A horizontal line connects to additional selections Vent Drain Proc Conn End NPT Side top V5 NPT Side bottom Side dual End 1 4 NPT Side top V4 NPT Side bottom 1 4 NPT Side dual 1 4 NPT Oxygen Cleaned Special Features 1 2 Pipe Mount Bracket with SS Hardware 2 Universal Bracket 3 2 Pipe Mount 316SS Bracket N Not Required Housing 1 Aluminum 14 NPTO 2 Aluminum M20 x 1 5 Not Required Hazardous Area Classification 2 CSA AII CRN Registration FM CSA CENELEC EExd SAA AII and ABS Type Approved Non Approved FM CSA All and ABS Type Approved Sample Model Number 3 M R L CENELEC EExia and BASEEFA Type N N W 3 4 9 2 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS TABLE 9 2 Model 345A Model Designation Basic Model Number 345A Absolute Pressure Transmitter Note Superscript See page 9 1 for these notes Input Range Span Limits Min Max D 10 450 inH5O abs 2 5 112 5 kPa abs F 12 6 450 psia 87 3100 kPa abs Output B 4 20 mAdc with HART protocol C 4 20 mAdc wi
81. 275 UNIVERSAL HART COMMUNICATOR When performing certain operations the message OFF KEY DISABLED indicates that the Communicator cannot be turned off This feature helps prevent accidental shutoff of the Communicator while the output of a device is fixed or a device variable is being edited 2 3 4 Alphanumeric and Shift Keys The alphanumeric keys perform two functions 1 rapid selection of menu options and 2 data entry The shift keys located below the alphanumeric keys on the keypad are used during data entry to select from among the characters available above each number 2 3 4 1 Rapid Selection of Menu Options From any menu use the keypad to select available options in two ways First use the UP or DOWN arrow keys followed by the RIGHT ARROW SELECT key to access available options displayed on the LCD As an alternative use the rapid select feature Simply press the number on the alphanumeric keypad that corresponds to the desired menu option For example to quickly access the Utility menu from the Main menu simply press 4 on the keypad 2 3 4 2 Data Entry Some menus require data entry Use the alphanumeric and shift keys to enter all alphanumeric information into the HART Communicator Pressing an alphanumeric key alone while editing causes the large character in the center of the key number 0 9 decimal point or dash to be entered Pressing and releasing a shift key activates shift and causes the appropriate
82. 3 to display the Measured Var Unit menu below right With the Measured Variable Unit menu displayed use the DOWN arrow to highlight the new unit then press the ENTER function key F4 Or to leave the Unit variable menu without making any change press the ESC function key F3 to return to the Edit individually menu From the Edit individually menu use EXIT to go back to the Blank Template menu Save As Selecting the Save As option allows a new configuration to be saved to either the Memory Module or the Data Pack The Memory Module holds up to 10 typical configurations and contains the operating system software and device application software in non volatile memory The Data Unnamed From Blank Template 1 gt Mark all 2 Unmark all 3 Edit individually 4 Save as HELP SAVE Unnamed Edit individually Unit in H20 Not marked to send NEXT MARK EDIT EXIT Unnamed Measured Var Unit inH20 inH20 inHg ftH2O VmmH20 ESC ENTER 2 12 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR Pack stores up to 100 typical configurations in nonvolatile removable memory Example From the Offline menu choose 1 New configuration This displays the Manufacturer menu Choose a device then choose a model from the Model menu Choose a software revision from the Fld dev rev menu The Communicator creates a configuration and displays the Blank Template menu Choose Save as
83. 345 1 2 5 2 Online Menu The Online menu permits a transmitter to be tested and configured while it is operating Options available through the Online menu are summarized in Figure 2 5 The Online menu is displayed immediately if a device description for the connected device exists in the Communicator If not the Generic Online menu is displayed see Figure 2 6 IMPORTANT Before a configuration can be created or edited the Configuration Jumper on the electronics module must be set to enable see Figure 4 14 and the password for that transmitter must be entered at the Password prompt see Section 6 2 1 Main Menu From the Main menu with a HART compatible device connected press 2 to access the Online menu at right The Online menu displays the name of the device at the top of the LCD if it is a supported device If a device description for the connected device is not present in the Communicator contact the manufacturer of the device When no device description is found the Communicator provides a generic interface which enables users to perform functions common to all HART compatible devices Model 345 specific menu options are described in detail in Sections 3 and 6 Generic Menu The Generic Online menu at right is the first menu in the generic interface It displays critical up to date device information Configuration parameters for the connected device may be accessed using the Device setup option Fig
84. 4 s 2 Prim Current Source adds one scan 60 ms to set output which is included in the response time above 3 Sec Current Source takes 280 ms for watchdog circuit plus 40 ms for switch for a total of 320 ms isum pom isum Pim oms Pim 0 isum Prim eel Ye ism Ye poms scan Bom Tsen eel Ye Bom Tsen Bee ys Ssss Pim Cows Booms Essam Pim Cows eoms Tsen Pim 120m Tsen Pim Poms Pimi Cows 120m sum Pim 1 Config Poms Prim Cows Tem Pul Power supply Output range is 10 42 Vdc It must be a SELV Safety Extra Low Voltage power supply that complies with EN 61010 1 or EN 60950 or include a safety isolating transformer according to EN 60742 The transmitter detects under voltage conditions and is protected against over voltage conditions August 2000 G 5 SAFETY INSTRUMENTED SYSTEM UM345 1 G 2 2 Other Considerations HART Issues HART reads do not affect safety The Critical Transmitter will detect dangerous faults during online HART reads During all HART writes or in offline modes the output is set to 3 7 mA as an added safety measure HART writes are not permitted during safety operation The Configuration Jumper must be in the disable position or disconnected during safety operation If
85. 6 1 ENABLING OR DISABLING CONFIGURATION The Configuration Jumper on the electronics module see Figure 4 14 is set by the user to enable or disable local and remote configuration See Table 6 1 for jumper positioning A transmitter is shipped from the factory with the jumper in the disable position The jumper does not affect reading data from the transmitter Model 340 users The jumper above the Smart Display see Figure 4 14 that in Model 340 is used to disable enable the magnetic pushbuttons is not used in Model 345 TABLE 6 1 Configuration Jumper Positioning CONFIGURATION REMOTE CONFIGURATION LOCAL CONFIGURATION JUMPER POSITION Enable The Model 275 HART Communicator Magnetic switches Z FS and D on can be used for configuration The the transmitter housing can be used password for the transmitter that the for local configuration See Section Model 275 is connected to must be 6 4 entered to create or edit a configuration See Section 6 2 Disable Remote configuration is disabled Local configuration is disabled 6 2 REMOTE CONFIGURATION AND OPERATION This section addresses transmitter configuration and operation using the HART Communicator To create or edit a transmitter configuration you will be prompted at the Write Protect menu to enter the password for that transmitter When you are through configuring the transmitter return to the Write Protect menu and exit configuration Once entered the conf
86. 6 2 1 3 Sensor Input Block Eee ete eo ial 6 3 6 2 14 Operator Display Block eee eftt ten a ena ee He e ded eode 6 5 6 2 1 5 Transmitter asi Sask e RR eter eU Mer e deb d Nea 6 6 6 2 1 6 Autorecover or 6 7 6 2 1 7 Alarm Block i etie et ee ert b e EU adit ert ta eo oeste de uet 6 7 6 2 2 SEND and SAVE a nennen nennen nne enne 6 8 6 2 3 Quick Access Key Furictions unti inerte tiene 6 9 6 2 3 1 XMTR Variables Re Rae en ei eke 6 9 ii August 2000 UM345 1 CONTENTS 6 2 3 2 Status teo te te db utt 6 10 6 2 3 3 Range en i i ree e Ret HERR EE ER Ree d 6 11 6 3 LOCAL TRANSMITTER OPERATION essere nennen ener rennen rennen 6 11 6 3 Smart Display Functionalty tiere tet etie eee itecto P eE E ENa 6 12 6 4 LOCAL TRANSMITTER CONFIGURATION eere nennen rennen nennen 6 13 6 41 Set Z ro vei aces CE 6 13 6 4 2 Set Local Fullscale tsetse HER Eo RR eee eee 6 14 64 3 Adjust Local Damping iiti eR Eee ee ie tore 6 14 7 0 CALIBRATION AND MAINTENANCE ee eee ense esent 7 1 PA GANT SSNLO E 7 1 CMA Equipment Required ce SRI ERE ORA RENI Rte ei I RH DRE dare 7 1 41 2 Zeto Trim hen c REOR ETC et
87. 6 Bar CS W 80mm 10 16 Bar SS F 4 300 CS P 50mm 25 40 Bar CS X 80mm 25 40 Bar SS G 2 150 SS 80mm 10 16 Bar CS Y 100mm 10 16 Bar SS H 2 300 SS 80mm 25 40 Bar CS Z 100mm 25 40 Bar SS Fill Fluid High Side Low Side High Side Low Side B Silicon DC200 Silicone DC200 E Silicone DC550 Silicone DC200 C Fluorolube Inert F Silicone DC704 Silicone DC200 D NEOBEB Paratherm Syltherm 800 Silicone DC200 Output Indicator 5 4 5 Digit Digital Smart Display Required Standard Options X Oxygen Cleaned quos Y Special Features N Not Required Mounting Bracket N Not Required Housing 1 Aluminum 14 NPT 2 Aluminum M20 x 1 5 Hazardous Area Classification 2 CSA AII CRN Registration 3 FM CSA M CENELEC EExd T SAA All amp ABS Type Approved AO 5 NN 1 3 Sample Model Number L CENELEC EExia amp BASEEFA Type N N Non Approved W All amp ABS Type Approved August 2000 9 5 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 Basic Model Number Sterling High Performance Transmitter Type and Input Range Span Limits Min Max 10 450 inH O 2 5 112 5 kPa 10 450 inH O 2 5 112 5 kPa 12 6 450 psi 87 3100 kPa 345 DD Differential FD Flanged Level GF Gauge Output TABLE 9 5 Model 345 Sterling High Performance Note Superscript See page 9 1 for these notes E 4 20 mAdc High Performance Output with HART protocol Diaphragm H Hastelloy C 276 Body Parts D
88. 6 IP67 Class I Zone2 Dip T6 IP66 IP67 Class II CRN August 2000 9 17 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 9 3 5 1 CSA Hazardous Locations Precautions This section provides CSA hazardous location precautions that should be observed by the user when installing or servicing the equipment described in this manual These statements supplement those given in the preceding section WARNING Failure to observe the following precautions could result in an explosion hazard Precautions English For Class I Division 1 and Class I Division 2 hazardous locations e Use only factory authorized replacement parts Substitution of components can impair the suitability of this equipment for hazardous locations For Division 2 hazardous locations When the equipment described in this Instruction in installed without safety barriers the following precautions should be observed Switch off electrical power at its source in non hazardous location before connecting or disconnecting power signal or other wiring Pr cautions Francais Emplacements dangereux de classe I division 1 et classe I division 2 e Les pi ces de rechange doivent tre autoris es par l usine Les substitutions peuvent rendre cet appareil impropre l utilisation dans les emplacements dangereux Emplacement dangereux de division 2 Lorsque l appareil d crit dans la notice ci jointe est install sans barri res de s curit on doit couper l a
89. 7S1 10 15 30 42 Power Supply Vdc 345G 345F A 100 psi 689kPa NA NA NA B zI00 ps 689kPa P D 4000 psi 27 6 kPa 250 psi 1 72 MPa 250 psi 1 72 MPa FEF 1000 psi 27 6 kPa 1500 psi 10 3 MPa 1500 psi 10 3 MPa Contact the factory The Maximum Working Pressure MWP is defined as the maximum pressure that can be applied to the cell without damage static or otherwise Model 345D Range A and Range B sensors have a body rating of 4000 psi however no overpressure protection is employed in these units thereby limiting MWP to 100 psi August 2000 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 Flange Ratings STANDARD CLASS CARBON STEEL RATING STAINLESS STEEL RATING ANSI 150 285 psi 275 psi ANSI 300 740 psi 720 psi PN 10 16 PN 10 16 1 At 100 F 38 C the rating decreases with increasing temperature At 120 C the rating decreases with increasing temperature Point To Point Network Topology Transmitter Quantity essss 1 Network Signal and Connection Analog 4 20 mA single current loop see Figures 4 6 4 7 and 4 8 Network See figure on previous page Default Transmitter Password 12345678 user settable use de eee Seo Twisted single pair shie
90. 8 EEC Manufactured in Spring House PA U S A M BARELA Christopher J O Brien Director of Measurement and Control Products European Community Representitive Moore Products Co UK Ltd Date AG ai 1444 Tan McKnight Engineering Manager MPAS UK August 2000 9 21 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 CERTIFICATION OF NACE COMPLIANCE Moore Products Co 1201 Sumneytown Pike Spring House PA 19477 certifies under its sole responsibility that the Model 345 Critical Transmitter with the following factory configured options Process Diaphragm Code H Hastelloy C 276 Body Parts Code AA AB AC AD AE AF AG AH 316 SS Standard Options Code D B7M Bolts E B8M Bolts Model 345D only is in compliance with NACE MRO175 96 CES g OVE Christopher J O Brien Director of Measurement amp Control Products Moore Products Co Spring House PA USA Date March 3 1999 9 22 October 2000 UM345 1 GLOSSARY 10 0 GLOSSARY Defined below are terms used in this manual that are relevant to pressure measurement HART networks and Safety Instrumented Systems ABSOLUTE abs PRESSURE A pressure measured against absolute zero or a total vacuum as a reference The units of measurement are called absolute pressure units For example psia pounds per square inch absolute ANALOG SIGNALING A low current signal of 4 to 20 mAdc from a field instrument to a primary master or
91. 830 ms or lower in this case System Components All PES components including the Critical Transmitter must be fully operational before process start up All error codes must be cleared If the PES detects faults in field wiring or in other areas they must be repaired before start up Configuration Changes Changes to the logical configuration can only be implemented when there are sufficient organizational measures established to insure the safety of the process In those processes where the process safety time is too short to allow human intervention on line logical configuration changes must not be permitted To change a Critical Transmitter configuration the Configuration Jumper on the electronics module must be in the enable position and the transmitter s HART password must be entered Note that if the jumper is in the enable position but the password is not entered the pushbuttons on the enclosure can be used to change the zero full scale and damping values G 1 2 Functional Requirements The following requirements must be met when using a Critical Transmitter in a Safety Instrumented System that requires TUV certification e Transmitter installation and test procedures must be followed refer to section 4 0 e Transmitter operation and maintenance procedures must be followed refer to section 7 0 August 2000 G 3 SAFETY INSTRUMENTED SYSTEM UM345 1 G 1 3 Environmental Requirements The Critical Transmitter is suitable
92. ART Highway Addressable Remote Transducer protocol is used for communication between the transmitter and a HART Communicator a personal computer running configuration software or another remote device This is done by superimposing the HART digital signal on the analog current HART communications is used to transfer a new or edited configuration remotely monitor the process variable and service a transmitter The transmitter can be equipped with an optional Smart Display Figure 1 6 to permit local viewing of output variables and to make local configuration easier Connection to the loop is made using a terminal board with three screw terminals Figure 1 7 which is located on the opposite end of the transmitter enclosure from the Smart Display The transmitters have an intrinsically safe explosion proof NEMA 4x IP67 68 field mountable hardened enclosure Electrical conduit connections are 2 NPT or M20AII process wetted materials 316 stainless steel or better The flush mount process connection of the Model 340F is compatible with standard ANSI and metric flange sizes for tanks and pipes 1 3 CONFIGURATION The transmitter must be configured before use Each transmitter is shipped with either a default configuration or if specified at time of order a custom configuration defined by the user The user may need to edit the default configuration before the transmitter is used in a loop Unauthorized access to a transmitte
93. B Wetted 316SS 316SS 316SS Carbon Steel Carbon Steel Carbon Steel Carbon Steel Carbon Steel Carbon Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Fill Fluid Process Connection Type 5 NPT 14 NPT 5 NPT 2 150 CS 2 300 CS 3 150 CS 3 300 CS 4 150 CS 4 300 CS 2 150 CS 2 300 CS 3 150 CS 3 300 CS 4 1508 CS 4 300 CS nnumnnudununu uuuuuumummuaoazcoc B Silicone DC200 Output Indicator 5 4 2 Digit Digital Smart Display N Not Required Standard Options X Oxygen Cleaned Y Special Features 4 N Not Required Mounting Bracket 1 2 Pipe Mount Bracket with SS Hardware 2 Universal Bracket 3 2 Pipe Mount 316SS Bracket N Not Required Housing 1 Aluminum 14 2 Aluminum M20 x 1 5 Hazardous Area Classification 2 CSA AII CRN Registration 3 All M CENELEC EExd R SAA All and ABS Type Approved L CENELEC EExia and BASEEFA Type N N Non Approved W All and ABS Type Approved 345 DDE DA B 5 N N 1 3 Sample Model Number 9 6 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Basic Model Number 345 Absolute Gauge and Differential Pressure Transmitter with Tantalum Diaphragms Type and Input Range Span Limits Min Max Differential Differential Gauge Gauge Absolute Absolute Output 4 20 mAdc with HART protocol 4 20 mAdc with HART protoco
94. BES n Hn e spe Pe eet ire bates Hee EL e t 9 8 August 2000 iii CONTENTS UM345 1 0 3 SPECIFICATIONS ite He dette ele end eed eine stewie ta eats 9 8 9 3 oe ee ere ete ie e tee ce 9 8 9 3 2 Performance and Functional Specifications eeeeeeeeeeeeeeenen nenne 9 12 9 3 3 Two Wiare Cable etie etude eee ip abi e ibd eot 9 14 93 4 Environmental 5 2 1 EUR RU NER LER ee Tee 9 14 9 3 5 Safety and Hazardous Area Classifications eese eren nent 9 16 9 3 5 1 CSA Hazardous Locations Precautions eene 9 18 9 3 6 Special Conditions For Safe Use essere ener 9 18 TOO GEOSSARY re H S 10 1 A 0 APPENDIX FUNCTION BLOCKS p rr sboe aout ar r p Pr UVP ER A 1 A T WRITE PROTECT BLOCK rere ne RR eret ten tenete eee ra nde Era aver proe tee rode 1 AC2 SENSOR INPU T BLOCK x e en Rr E a ae adonde 1 A 3 OPERATOR DISPLAY rei e e cer ee crar eds eet A 3 AA TRANSMITTER ID BLEOCRK rete rte ted A 4 ACOUATEAREMGBEOCK o ttt eeu et edente att ue tee A 5 OUTPUT BEOGCK entere eter pete et ch eg eee e Ee A 6 B 0 APPENDIX B HAZARDOUS AREA B 1 C 0 TRANSMITTER CONFIGURATION DOCUMENTATI
95. CURRENT SENSE RESISTANCE The resistance in a network across which the field instrument transmitter signal voltages are developed DAMPING A user selectable output characteristic that increases the response time of a transmitter to smooth the output when the input signal contains rapid variations DANGEROUS FAULT A fault that causes the output to fall outside gt 2 of output span while operating in the normal operating range DIGITAL SIGNALING The high frequency HART signal August 2000 10 1 GLOSSARY UM345 1 ESD Electrostatic Discharge The discharge of an electrostatic charge existing on a nonconductive body or an ungrounded conductive body An electrostatic charge can exceed 10 000 volts and can when a discharge occurs damage exposed semiconductor devices A wrist strap and conductive workmat provide safe discharge paths for an electrostatic charge EXPLOSION PROOF ENCLOSURE An enclosure that can withstand the explosion of gases within it and prevent the explosion of gases surrounding it due to sparks flashes or the explosion of the container itself and maintain an external temperature that will not ignite the surrounding gases FAIL SAFE A fault condition that causes the transmitter fail safely This is detected by the transmitter outputting 3 7mA Note certain faults such as wiring faults can cause the output to fail under lt 3 6mA or over range gt 20 5mA FAULT DETECTION TIME The maximum
96. D SYSTEM transmitters are subject to the same elements that contribute to the failure of the transmitter As a result the nature of the material plays a significant role in the common cause failure of the system Determining the degree of independence is slightly more complex Obviously the greater the degree of independence the less likelihood there is for a common cause failure to occur Factors that influence the independence include physical separation of the transmitters which mitigates common cause environmental sources of failure different mounting arrangements and separate wiring paths Analog Transmitter 4 20 mA X PS 7 3 QUADLOG Critical J Control Module CCM Analog Transmitter QUADLOG Critical IOBUS 4 20 mA Analog Module CAM Analog Voter rp gt Block 1002D CT Logical iud Signals AG00235a FIGURE G 2 DUAL ANALOG SENSOR ARCHITECTURE G 5 3 Triple Analog Sensors Using three sensors in conjunction with majority voting to achieve high availability and safety applies to analog sensors as well as discrete sensors QUADLOG provides an Analog Voter function block for easy configuration of this 2003 functionality Depending on common cause susceptibility two 345 s will provide equal or higher safety and availability compared to a 2003 configuration of conventional transmitters For this reason 2003 config
97. F to less than 25000 pF 5 For field instruments without C values use 1 Example Calculation Assume a network consists of two field instruments both C 1 Let R 2500 C 40 pF ft 1 1 x 5000 10 000 65 000 000 10 000 10 000 Then L _ 6000 feet 1800 meters 250 40 40 4 3 7 Network Junctions Install a network junction at a convenient point in the loop to facilitate wiring testing and troubleshooting Typically the junction is a conventional terminal block mounted on a panel with a cover cabinet or junction box to enclose and protect wiring terminals See Figure 4 6 top drawing Multiple junctions can be installed to provide field access terminals for the connection of a HART Communicator Note the following e Network with barriers Locate a junction anywhere along the network in the non hazardous area e Network without barriers A junction may be located anywhere along the network between the power supply and transmitter e A junction should be a simple electrical series connection without repeaters or other devices active or passive that can degrade HART communications 4 3 8 Safety Barriers See Appendix B for suggested barriers Installed safety barriers must comply with the following e Locate intrinsic safety barriers between the system power supply e g Primary Master if used residing in the non hazardous area and the transmi
98. M TABLE H 3 VOTE_1002D Function Block Inputs and Outputs NAME DATA TYPE DESCRIPTION INPUTS INI REAL Input value from Critical Transmitter 1 May be scaled IN2 REAL Input value from Critical Transmitter 2 May be scaled OVERI BOOL Over range status flag from Critical Transmitter 1 BOOL Okay status flag from Critical Transmitter 1 UNDERI BOOL Under range status flag from Critical Transmitter 1 OVER2 BOOL Over range status flag from Critical Transmitter 2 OK2 BOOL Okay status flag from Critical Transmitter 2 UNDER2 BOOL Under range status flag from Critical Transmitter 2 FAILSAFE REAL Value to be output when no reliable transmitter data is received Units must be the same as IN1 and IN2 DELTA REAL Amount by which the transmitter signals are allowed to vary Units must be the same as IN1 and IN2 DLAYTM TIME Delay time Amount of time before the output will be set to the failsafe value when both signals are bad or the signals are outside of delta OUTPUTS OUT REAL The selected output This value will be Critical Transmitter input 1 Critical Transmitter input 2 or the failsafe value FSAFE BOOL This flag will be set TRUE when the failsafe value is selected DELT ER BOOL This flag will be set TRUE when the Critical Transmitter input values differ by more than delta ERR 1 BOOL This flag will be set TRUE when the quality of
99. NE io dena gehn tete Ee ee ette uei ees G 12 C7 7 3 Maintenance oed ee ee er Pee rte ien o cose beoe et ete G 13 G S OTHER CONSIDERATIONS hee ea eco ote ple ehe eek te rete G 13 G 8 1 Pre Startup Acceptance Test G 13 3 8 2 Proot Testnip eR REED ERR ER a oe G 13 H 0 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM e eeeeeee eene en ene tnaenan H 1 H 1 INTERPRETING THE INPUT SIGNAL nennen at rennen H 2 H 2 1002D VOTING OF ANALOG SIGNALS eese nennen eene nre rennen H 5 H 3 VOTE 1002 FUNCTION BLOCK BODY nennen eene nre rennen nnne H 8 W0 WARRANTY muet too EO Ie aues dr oun W 1 PARTS LIST PL345 1 AD34 4 XTC CONFIGURATION MAPS LIST OF ILLUSTRATIONS FIGURE AND TITLE PAGE 151 Model 345D Fransmitter ec aet detener Pertenece 1 3 1 2 Models 345A and 345G caue ini ete tire ie ede eset e 1 4 1 3 Model 345F Differential Transmitter with Flange eese 1 5 1 4 Traditional Process Variable Measurement eese enne nennen 1 6 1 5 Process Variable Measurement using QUADLOJG eese nen nennen enne 1 7 1 6 Optional Smart Display earet cert tete reete teet eene e 1 8 1 7 Terminal Board nore eget e RR ER e ERE SENSE eR 1 8 2
100. ON ccsssssssssssssssssssssssessessssssseees C 1 D 0 APPENDIX D ELEVATION AND SUPPRESSION 5 D 1 DA HOW ADJUSTMENT IS tette terc rettet eto pete Re D 1 D2 ELEVATION CALCULATION EXAMPLE D 2 D 3 SUPPRESSION CALCULATION EXAMPBLE eren nennen rennen D 2 D 4 RECOMMENDED METHOD x iere te ettet e eode ge ee PERI dade cip ere dente D 3 E 0 APPENDIX E CENELEC EEX D INSTALLATIONS eese esee teens ense ena tn aetates snae ta an E 1 F 0 APPENDIX STATIC PRESSURE CORRECTION F 1 GO SAFETY INSTRUMENTED SYSTEM cssssscsssesostsassnisasnessvasstiscnnssntessacsetootescuesansscbionnusvoiotsssstaseeees G 1 G 1 REQUIREMENTS FOR T V CERTIFICATION sese G 3 G 1 1 General System Requirement eese G 3 G 1 2 Functional Requirements ete indere ert eet Hee dece peek et G 4 G 1 3 Environmental Requirements eese enne nennen nennen nennen netten eene G 4 G2 SAFETY AND FUNCTIONAL S AFELY ereite eea aae eeta EARE E G 4 G 2 1 Safety Accuracy Specifications eese eene nnne G 4 G 2 2 Other Considerations uet metet BRE dettes e tater ile ect G 6 3 2 3 Safety Philosophy ete d ee ae ee G 6 G24 The Project eam etae eto re eet ee tret a
101. ON cis tinh REC iHe Hottest 4 33 4 7 Ll Boop Witing exit ee eH e Het ttp er ea eL ote eae egre ded 4 33 4 7 2 Transient Suppressor Option sese nennen tne 4 34 4 8 HAZARDOUS AREA INSTALLATION eere nennen nennen nter tnnt 4 35 5 0 POST INSTALLATION CHECKOUT e eeeeeee eese tenens enses sons tastes sens tosta sesso setas 5 1 5 EQUIPMENT REQUIRED eet eerte etie t eee e ee e Eee 5 1 2 2 INSTALLATION REVIEW tret rete deett etie er es 5 1 5 3 EQUIPMENT CONNECTION emerit ete ine ete 5 1 5 4 VERIFICATION 5 neue itor HOD eee n depen E ER ete he a deed 5 2 2544 T Communication eed Ee een ieee ERU eerta 5 2 5 4 2 Communications Error Check eiii intei eee tee tiet etie cene ode E aeri iii i ienei 5 3 5 4 3 Venty Analog Output Signal RR ete ee n Eee serrata ope ee P E eee 5 3 6 0 ON LINE CONFIGURATION AND OPERATION eee eee eene se 6 1 6 1 ENABLING OR DISABLING 6 1 6 2 REMOTE CONFIGURATION AND OPERATION 6 1 6 2 1 Configuration ve 3 ce see eo eee OUR ER ee ee ne ea 6 2 6 2 1 1 Write Protect and Transmitter Password seen 6 2 6 2 12 Selecta Function BIoCKk e pet Etre ree besagte lets 6 3
102. ONTINUE ABORT ENTER 7 The transmitter performs the self test e If testing is successful the message Transmitter PASSED the transmitter selftest displays e If testing fails the message Transmitter FAILED the transmitter selftest displays and the transmitter goes to the prescribed failsafe condition 8 Press OK F4 to acknowledge the test results and display the Calibrate Test menu August 2000 3 3 COMMISSIONING AND BENCH TESTING UM345 1 3 4 REVIEWING CONFIGURATION DATA Before placing a transmitter in service use the HART Communicator to check that the proper configuration information has been stored 1 Establish communication as described in Section 3 2 2 From the Online menu press 3 to view the Configure Xmtr menu at right For each of the function blocks on this menu check to see if each of the parameters is set to the correct value as recorded in user documentation of parameters Appendix C See Section 6 for detailed information on changing function block parameters 3 For each function block perform the following steps 1 Use the UP or DOWN arrow key to highlight the function block Press the RIGHT ARROW SELECT key to view the function block options 2 Examine each of the options on the function block menu changing values if necessary When the first change is made the SAVE softkey changes to SEND 4 When all configuration parameters have been examined and changed
103. PCO 345A PT100 Hotkey Configuration ADD Descriptor Range Xmtr Damping Tag DEL ADD EXIT August 2000 2 23 MODEL 275 HART COMMUNICATOR UM345 1 2 24 August 2000 UM345 1 CONNISSIONING AND BENCH TESTING 3 0 COMMISSIONING AND BENCH TESTING Before operating a Model 345 on line the instrument should be set up either at the bench or in the field and commissioned using the HART Communicator Commissioning consists of checking that the transmitter is operational and that all configuration information is correct For an in depth discussion of transmitter configuration refer to Section 6 On Line Configuration and Operation 3 1 COMMISSIONING PROCEDURE The transmitter can be commissioned either before or after installation Commissioning on the bench before installation is recommended A complete transmitter functional test can be performed and configuration procedures can be practiced If commissioning after installation install the transmitter as described in Section 4 then return to this section To commission the transmitter on the bench make the connections shown in Figure 3 1 For commiss ioning in the field refer to either the set up shown in Figure 3 2 or the appropriate figure in Section 4 Installation Pr Digital Milliammeter 2 AG00210a Bench Power 0 250 SE Se I VV Transmitter Terminals Note x Loop current can also
104. RATION AND OPERATION 3 From the Write Protect menu at right type 1 press Select right arrow type either the default transmitter password MPCO 345A PT100 12345678 or the user selected password for that Write protect transmitter and press Enter 1 Enter Password Next 2 New Password 3 Setup Done e To continue with configuration press Home and select the function block to be configured See Section 6 2 1 2 ABORT ENTER e To assign a New Password go to step 4 e To exit the configuration mode go to step 5 4 New Password To enter a new password type 2 press Select type the new password press Enter and repeat step 3 5 Setup Done To exit configuration type 3 press Home to IMPORTANT Always exit a return to the Online menu then press I O turn off the remote configuration session A Communicator See note at right session remains active and parameters accessible until 6 2 1 2 Select a Function Block exited The next several sections describe configuration of individual function blocks To configure a specific function block 1 Choose the function block to be configured by pressing the i POAR REL ON DOWN arrow until the function block s name is highlighted Configure Xmtr on the Configure Xmtr menu e g Sensor Input at right 1 Write Protect 2 gt Sensor Input 2 Press RIGHT ARROW SELECT to display the menu for the 3 Operator Display chosen function block 4 Transmitter ID 3 Go
105. ST Process Automation Inc PL345 1 Rev 2 June 2000 XTC CRITICAL PRESSURE TRANSMITTER MODELS 345A D F ANDG Enclosure Assembly Parts for All Models 207 Enclosure Set Screw PA NN Plug M e 102 Screw x 104 101 Sensor Assembly for Model 345D and Models 345A and G 101 Sensor Assembly for with Tantalum Diaphragms Models 345A and G except SO sS c coU those with Tantalum Diaphragms RENE See above for Enclosure Parts N AGO0238a 96052901 02 amp 03 Flange Capsule and End Caps Do Not Disassemble Q N a 8 e 2 lt Cap for Remote Seal 102 screw 5 OX 101 Sensor Assembly with 102 Plug PD e Flange and as specified em de d Extension for Model 345F See above for Enclosure Parts Sensor Assembly End Cap Options PL345 1 PARTS LIST PART NO DESCRIPTION CONTENTS AND DRAWING ITEM NUMBER S 16345 12 Enclosure Kit Enclosure 6 with 1 2 14 NPT Electrical Entrance with Ground Screws and Feedthrus only 16345 14 Enclosure Kit Enclosure 6 with M20 x 1 5 Electrical Entrance with Ground Screws and Feedthrus only 16345 30 Display Kit Includes Smart Display 9 and Crenelated Enclosure Cap with Sightglass 3 and O Ring 4 For adding a Smart Display to a transmitter 16345 31 Display Kit Includes Smart Display 9 and Flush Enclosure Cap with Sightglass 3 and O Ring
106. Superscript See page 9 1 for these notes A horizontal line connects to additional selections Hi Side Dia Wet Lo Side Dia Wet Extens Lgth A0 316SS HA C 276 316SS Flush HO HA C 276 Remote Seal Flush A2 316SS HA C 276 316SS 2 H2 HA 276 Remote Seal 2 A4 316SS HA C 276 316SS 4 H4 HA C 276 Remote Seal 4 A6 316SS HA C 276 316SS 6 H6 HA C 276 Remote Seal 6 BO HA C 276 HA C 276 316SS Flush JO Monel Remote Seal Flush B2 C 276 HA C 276 316SS 2 2 Monel Remote Seal 2 B4 HA C 276 HA C 276 316SS 4 JA Monel Remote Seal 2 C 276 HA C 276 316SS 6 J6 Monel Remote Seal 6 CO Monel HA C 276 316SS Flush KO Tantalum Remote Seal Flush C2 Monel HA C 276 316SS 2 NO HA C 276 HA C 276 Flush C4 Monel HA C 276 316SS 4 N2 HA C 276 HA C 276 27 C6 Monel HA C 276 316SS 6 N4 HA C 276 HA C 276 4 DO Tantalum HA C 276 316SS Flush N6 HA C 276 HA C 276 6 GO 316SS Remote Seal Flush QO Monel HA C 276 Flush G2 316SS Remote Seal 2 Q2 Monel HA C 276 2 G4 316SS Remote Seal 4 Q4 Monel HA C 276 4 G6 316SS Remote Seal 6 Q6 Monel HA C 276 6 RO Tantalum HA C 276 Flush Mounting Flange CS Carbon Steel SS Stainless Steel Size Rating Material Size Rating Material Size Rating Material A 2 150 CS J 3 150 5502 LS 100mm 10 16 Bar CS B 2 300 CS K 3 300 SS T 100mm 25 40 Bar CS 3 1508 cs L 4 150 SS 50mm 10 16 Bar SS D 3 300 CS M 4 300 SS V 50mm 25 40 SS E 4 150 CS N 50mm 10 1
107. Test Fc Vibration Sinusoidal amp Inclination document number IEC Part 2 6 1990 amp IEC92 504 Environment Testing Test Ea Shock document number IEC Part 2 27 1989 Electromagnetic Compatibility Immunity Electrostatic Discharge ESD document number EN61000 4 2 formerly IEC 801 2 Immunity Electrical Fast Transient EFT document number EN61000 4 4 formerly IEC 801 4 Immunity Radiated Electromagnetic Field RFI document number EN61000 4 3 formerly IEC 801 3 Immunity Conducted Electromagnetic Field RFI document number EN61000 4 6 formerly IEC 801 6 Emissions Conducted document number EN55011 Emissions Radiated document number EN55011 e Product Related Quality Assurance and Certification Guideline for the Selection and Use of Standards on Quality System Elements and Quality Assurance document number DIN ISO 9001 1994 Quality Assurance Manual of IQSE document number QSH IQSE Version 1 1 G 1 REQUIREMENTS FOR T V CERTIFICATION The Critical Transmitter can be used within a Safety Instrumented System SIS for those processes that require safety certification The requirements presented in this section must be met when designing such a system G 2 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM The Critical Transmitter is certified by TUV for AK4 and SIL2 applications for use as a single sensor in automated Safety Instrumented Systems SIS This ce
108. UV certification or in any safety critical system e Electrostatic discharge ESD protection must be employed when handling a circuit board A Maintenance Kit PN 15545 110 containing a wrist strap and conductive mat is available from Siemens Moore Equivalent kits are available from mail order and local electronics supply companies 4 1 EQUIPMENT DELIVERY AND HANDLING Prior to shipment a transmitter is fully tested and inspected to ensure proper operation It is then packaged for shipment Most accessories are shipped separately Everything in a box is indicated on the box label 4 1 1 Receipt of Shipment Each carton should be inspected at the time of delivery for possible external damage Any visible damage should be recorded immediately on the carrier s copy of the delivery slip Each carton should be unpacked carefully and its contents checked against the enclosed packing list At the same time each item should be inspected for any hidden damage that may or may not have been accompanied by exterior carton damage If it is found that some items have been damaged or are missing notify Siemens Moore immediately and provide full details In addition damage must be reported to the carrier with a request for their on site inspection of the damaged item and its shipping carton August 2000 4 1 INSTALLATION UM345 1 4 1 2 Storage If a transmitter is to be stored for a period prior to installation review the environmental s
109. When the Communicator is turned on it automatically searches for a HART compatible device on the 4 20 mA loop If no device is found the Communicator displays the Main menu HART Communicator 1 gt Offline 2 Online 3 Frequency device 4 Utility If a HART compatible device is found the Communicator displays the Online menu MPCO 345A PT100 Online 1 gt Loop Override 2 Calibrate Test 3 Configure Xmtr 4 Setup Done HELP SAVE UP ARROW KEY Use to move the cursor up through a menu or list of options or to scroll through lists of available characters when editing fields that accept both alpha and numeric data DOWN ARROW KEY Use to move the cursor through a menu or a list of options or to scroll through lists of available characters when editing fields that accept alpha and numeric data LEFT ARROW PREVIOUS MENU KEY Use to move the cursor to the left or back to the previous menu RIGHT ARROW SELECT KEY Use to move the cursor to the right or to select a menu option QUICK ACCESS KEY HOT KEY When the Communicator is on and connected to a HART compatible device press the Quick Access Key to display the Quick Access Key menu of user defined options When the Communicator is off and the Quick Access Key is pressed the Communicator powers up and displays the Quick Access Key menu See Section 2 6 for more information on using the Quick Access Key IMPORTANT 2 1 ON August 2000 UM345 1 MODEL
110. Wire Transmitter Power 26 Vdc 6 Station Common GND Case Safety Ground See User s Manual UM353 1 or User s Manual UM354 1 for details 5 For access to Model 345 terminals remove enclosure cap 6 Maximum loop cable length calculated by formula in Section 4 3 AG00216a FIGURE 4 7 Model 353 354 to Model 345 Connections Analog Mode August 2000 INSTALLATION UM345 1 lt gt Non Hazardous Hazardous Location Location See Note 6 Procidia ipac 1 2 8 Channel Analog Input Module _ and Field Termination Assembly 0 O See Note 4 2 7 TIE Shield Earthing 4 GND 4 See Note 3 Module Carrier ERS Model 345 c Terminals See Note 2 See Note 5 2 Ground Bus Notes 1 Network resistance equals the sum of the barrier resistances and the module input resistance Minimum value 250 Ohms maximum value 1100 Ohms 2 Connect the HART Communicator as shown in Figure 2 2 for a hazardous or non hazardous location The HART Communicator is a non polar device 3 Supply and return barriers shown Interconnect all cable shields and ground only at the barriers 4 Shown is one channel of an 8 Channel Analog Input 4 20 mA with Hart Module Model iO 8AI 2H See i pac User s Manual UMIPAC 1 for module specifications and Field Terminal Assembly terminal assignments
111. acket Model 345A and G see note 1 4 21 August 2000 INSTALLATION UM345 1 4 4 2 Flat Surface Mounting Models 345D A and G The transmitter can be mounted to a flat surface using the Universal Mounting Bracket kit and user supplied 5 16 inch bolts Refer to either Figure 4 11 or 4 12 and the following for mounting guidance Fasten the mounting bracket to a flat surface 1 Determine transmitter location and orientation Note For Model 345D or Model 345A or G with tantalum diaphragm if the transmitter has a Smart Display be sure it can be viewed as this bracket limits enclosure rotation 2 Lay out the mounting hole pattern on the selected surface Drill four mounting holes in the wall or plate typically 0 344 inch diameter to accept 5 16 inch bolts 3 Consider the thickness of the mounting surface and the selected mounting hardware e g screw anchors nuts and washers in determining the required length of the mounting bolts 4 Place the pipe groove side of the bracket against the mounting surface site and align the bracket and surface mounting holes Install the bracket with user supplied 5 16 inch bolts washers and hex nuts 2 Fasten the transmitter to the Mounting Bracket refer to Section 4 4 1 step 2 As necessary loosen the enclosure rotation set screw and rotate the enclosure for best viewing of the optional Smart Display 3 Reposition the optional Smart Display as necessary Refer to Section 4 6 1
112. aeenseenseeees 2 7 DBAs 2 Data Mery cett eee teet tpe n storia 2 7 2 4 GETTING TO KNOW THE COMMUNICATOR eese ennemi enne 2 8 2 4 1 Display Icons 33 2 1n ei ee e SURE RC LU RR RR ee Li E De ts 2 8 2 42 Menu Stricture uci egere eee etude cip nadie E iode we EEUU taba oat ee E Rupee eee tene 2 8 2 4 3 Reviewing Installed Devices ene e e E e Rede Re 2 9 2 5 MAN MENU ete AA e oe aee 2 10 PARE CO aan THE 2 10 2 5 1 New Configuration i teet SR ege eset eds ectetuer ded 2 11 2 5 1 2 Sayed Config ration 5 eter ta tegebant tede dee eoe pe eee 2 14 2 522 Online Menu ss GERE ese Mee b RI 2 16 2 53 Frequency Device Menu mrdr eu en e eee ee ete tert edens 2 19 2 5 4 Utility Ment siu ERE estet re e ete etia e iege ects e e Le te ERE ERE EHE 2 19 2 54 Configure Communicator eere e ree eerte eee 2 19 2 5 4 2 System Information nee Leere eeu eren pa donee eU Re ern e eue e eae 2 20 2 5 4 3 Tasten for PC ig usate eet p ted E nct 2 20 2 5 4 4 Storage OCatlotie EGRE perdi tee eere eei eee Ev tede teens 2 20 2 54 De Simulation cct eet reete esce eee Ep EHE e eee ebbe gere ede 2 20 2 6 USING THE QUICK ACCESS KEY t ter m ei 2 21 2 6 1 Adding Quick Access Key Options esee rennen nre 2 22 2 6 2 Deleting Quick Access Key
113. al Transmitters IMPORTANT Before installing calibrating troubleshooting or servicing a transmitter review this section carefully for applicable specifications and hazardous area classifications 9 1 MODEL DESIGNATIONS Tables 9 1 through 9 6 identify each model designation entry on a transmitter s nameplate The nameplate also carries other important transmitter information in addition to the model designation e Bill of material number e Serial number e Span limits e Maximum working pressure MAX WPR e Factory calibration FCTY CAL e Certifications e User supplied TAG IMPORTANT Confirm transmitter model by referring to the transmitter s model designation on its nameplate and to Tables 9 1 through 9 6 before installing applying or removing power configuring or servicing NOTES FOR TABLES 9 1 THROUGH 9 6 1 Standard for all ranges 2 Stock model selection 3 NACE MR0175 96 compliance requires this option 4 Describe the modification or provide a quotation reference number 5 Required selection for OUTPUT option D direct connection to Model 348 Field Mounted Controller 6 7 Standard on Input Ranges A and B 8 Standard on Input Ranges D and F 9 Must specify Body Parts Code RR 10 Must select Body Parts AA 11 Not available with Input Range A 12 Not available with Input Range A or B 13 Available with Body Parts TD or TE only 14 CENELEC EExd units are a
114. allation and maintenance and for reading the optional Smart Display Need to rotate Smart Display for viewing ease 4 2 August 2000 UM345 1 INSTALLATION Refer to Figures 9 1 9 2 and 4 13 for transmitter dimensions and the figures in Sections 4 4 and 4 5 for typical mechanical installations Refer to Section 9 3 for mechanical and environmental specifications e Determine if an explosion proof or intrinsically safe installation is required Refer to transmitter nameplate for electrical classifications and to Sections 4 8 and 9 3 An intrinsically safe installation requires user supplied intrinsic safety barriers that must be installed in accordance with barrier manufacturer s instructions for the specific barriers used Transmitter certification is based on the entity concept in which the user selects barriers that permit the system to meet the entity parameters e Models 345 D A and G Consider pressure piping recommendations Refer to Section 4 3 3 e Determine conduit routing Refer to Section 4 6 2 e Consider bolting the transmitter to a two or three valve manifold Model 345D Install a three valve manifold because this device provides both an equalizing valve and high and low pressure block valves Use the equalizing valve to equalize pressure between inputs before calibrating or servicing the transmitter Use block valves to isolate the transmitter from the process for servicing or removal Models 345A a
115. alve manifold Then remove transmitter from mounting bracket 2 Model 345F Remove the transmitter from mating flange 7 18 August 2000 UM345 1 CALIBRATION AND MAINTENANCE Replacement 1 Fasten transmitter to mounting bracket Refer to Mechanical Installation section for transmitter at hand 2 Connect transmitter to process 3 Connect conduit and loop wiring Refer to Sections 4 6 2 Electrical Conduit and Cable Installation and 4 7 Electrical Installation 4 Apply power to transmitter and configure Refer to Section 6 On Line Configuration and Operation Check all connections then open shut off valves and close by pass valves 7 7 MAINTENANCE RECORDS An accurate record keeping system for tracking maintenance operations should be established and kept up to date Data extracted from the record may serve as a base for ordering maintenance supplies including spare parts The record may also be useful as a troubleshooting tool In addition maintenance records may be required to provide documentary information in association with a service contract It is suggested that as appropriate the following information be recorded Date of service incident Name or initials of service person Brief description of incident symptoms and repairs performed Replacement part or assembly number Software compatibility code of original part Software code of replacement part Serial number of original part Serial number of replacem
116. amaged pipes are a consideration redundant independent piping and or transmitters should be used Diagnostic algorithms exist at a control system level that help detect clogged impulse pipes Process connection faults Ensure proper installation and maintenance See sections 4 3 4 4 and 7 2 Damaged diaphragms piping fittings valves O rings seals and sealing methods and manifolds Ensure proper installation and maintenance See sections 4 3 4 4 and 7 2 Chemical reactions Use appropriate capsule and fittings materials See material selection in Model Designation Tables 9 1 to 9 6 For proper electrical conduit connection see section 4 6 2 1 G 2 3 Safety Philosophy A SIS must be designed in a systematic manner as part of an overall safety program The safety life cycle approach should be used in the implementation of such systems Organizational responsibilities for each life cycle task must be assigned Checklists should be used to assure that all necessary tasks are completed Critical Transmitter configuration should be done in a systematic manner with thorough testing of each portion of the configuration Safety has been defined as the freedom from unacceptable risk of harm There is risk in the operation of many industrial processes In many cases the risk must be reduced A Safety Instrumented System SIS G 6 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM is one of the tools that can be used by a process control en
117. ance and procedures to assist in identifying and correcting a malfunctioning transmitter Section 7 2 1 lists needed tools and equipment It is recommended that all documentation associated with the transmitter including piping and loop wiring diagrams and configuration documentation be obtained and made available to maintenance personnel to facilitate troubleshooting The most common symptom of a malfunctioning transmitter is incorrect erratic or no output A malfunction can affect the transmitter s analog output 4 20 mA or its digital HART output Furthermore a malfunction can be the result of external forces and not a transmitter fault at all Section 7 3 1 discusses troubleshooting techniques for the analog output Section 7 3 2 discusses troubleshooting techniques for the digital output Section 7 3 3 describes verifying a true transmitter failure should Section 7 3 1 or 7 3 2 not yield desirable results 7 3 1 Analog Output An analog output problem can appear as one of the following e No output or very low output There is no transmitter output or the output remains low despite changes in the process e High output Transmitter output remains high despite changes in the process e Erratic output Transmitter output varies when process does not e Sluggish Response Transmitter seems to respond to process changes very slowly Often an analog output problem is caused by incorrect transmitter configuration or by som
118. and Enclosure Electrical Entrance Loop Terminals Optional Smart Display Ground 1 2 14 NPT or and Isolated Tie M Screw M20 X 1 5 Tapped Point Pc N Hole 2Places ae AN T IBS Wi ee ASL A a Me iwi 2 SN Capsule lt Enclosure Rotation Assembly Set Screw ii AGO00206b 1 2 Inlet Connection Note 1 For a Model 345A or 345G with tantalum diaphragms see Figure 1 1 FIGURE 1 2 Models 345A and 345G See Note 1 1 4 August 2000 UM345 1 INTRODUCTION 120 Me Nameplate Magnetic Enclosure Switches Rotation Zeo Damping Full Scale 7 Loop Terminals and Isolated Tie 120 Electronics Module Electronics Module and 1 2 14 NPT or Grana MED 18 Tape _ Screw j a ae 1 WD ES E foo TN IN a es L PAA Rs 7 16 20 rf x X USI X Tapped Hole 4 Places LL X amp Process Connection 1 4 NPT Embossed Arrow oe Indicates High ee Note Pressure Port Extension Vent Drain Plug Note
119. and maintenance procedures refer to the manual supplied with the Communicator 2 1 INTRODUCTION The HART Communicator interfaces with a transmitter or other HART device using a 4 20 mA loop provided a minimum load resistance of 250Q is present between the Communicator and the power supply The Communicator uses Bell 202 frequency shift keying FSK in which high frequency digital signals are imposed on a standard 4 20 mA transmitter loop Since the loop net energy is unchanged HART communication does not disturb the 4 20 mA signal The Communicator can be used in hazardous and non hazardous locations WARNING An explosion can cause death or serious injury Before connecting the Communicator in an explosive atmosphere be sure the instruments in the loop are installed in accordance with intrinsically safe or non incendive field wiring practices See the Communicator s nameplate and manual for certifications and approvals before connecting 2 2 COMMUNICATOR CONNECTIONS The Communicator can interface with a transmitter from the control room the instrument site or any wiring termination point in the loop Connections are made through loop connectors on the Communicator s connection panel Figure 2 1 The connection panel also may have a jack for the optional NiCad recharger and it has a serial port for a future connection to a personal computer PC To interface with a transmitter or other HART device connect the HART Communicator in
120. and repack the entire assembly for return or disposal NOTE Normally the sensor assembly is not disassembled but is replaced in its entirety A flanged sensor assembly is never field disassembled If the sensor assembly is disassembled for any reason replace the Teflon seals see the Parts List between the capsule and end caps Lubricate them on one side only with Dow Corning No 4 compound to hold them in place Install the end caps Insert the four bolts and tighten in an X pattern lower right upper left lower left upper right Torque to 30 ft Ibs then replace the sensor assembly as described below Replacement 1 Unpack the replacement sensor assembly 2 Refer to the Parts List exploded view drawing Reposition the sensor assembly in the bench vise with the sensor s tube pointing up Use wood blocks to protect the end caps from damage 3 Carefully fit the sensor cable through the enclosure neck Slowly slide the enclosure down on the sensor assembly while rotating the enclosure left and right to overcome the resistance to the tube s O ring 4 When the cable end appears in the enclosure pull it toward the enclosure opening while continuing to slide the enclosure over the sensor assembly When a stop inside the enclosure is hit positioning is correct 5 Retrieve and install the enclosure positioning limit screw previously removed a 10 32 Allen head screw and lockwasher 6 Place the wrist strap on your wrist and co
121. answer NO is selected the display goes back to the one shown in step 12 Enter the correct value and proceed MPCO 345A PT100 Enter meter value 20 00 HELP DEL ABORT ENTER 14 After completing the 20 000 mA calibration the Communicator displays the message Returning fld dev to original output followed by the Loop may be returned to automatic control Press OK F4 to continue and terminate the procedure Typical value is 20 mA 0 025 mA 15 Disconnect the test equipment reconnect the jumper on the circuit junction terminals Figure 7 2 and if necessary return the polling address to the appropriate value This completes calibration of the transmitter August 2000 7 7 CALIBRATION AND MAINTENANCE UM345 1 7 2 PREVENTIVE MAINTENANCE Preventive maintenance consists of periodic inspection of the transmitter cleaning the external surface of the transmitter s enclosure draining condensate from conduit and blowing down or purging impulse piping to keep it free of sediment Preventive maintenance should be performed at regularly scheduled intervals 7 2 1 Tool and Equipment Requirements The following tools and equipment are required for servicing e Setof Phillips and flat blade screwdrivers e Set of open end or box end wrenches e Torque wrench 30 ft lbs 11 16 socket used for connection block bolts e Digital multimeter DMM see Section 7 1 1 for specifications e Electrostatic discharge ESD
122. antalum Diaphragms 104 GER 16275 403 O Ring Gasket Kit Teflon Washer 1 75 dia Capsule to End Cap Model 345D 12 and Models 345A and G with Tantalum Diaphragms 104 E O Ring Capsule Neck 105 Teflon Washer 1 1 dia Process Connection Block NS Circuit Board Assembly Standard Terminal Board 5 Transient Suppressor Terminal Board 5 16275 408 Service Kit Monel Plug Flats 4 28M Monel 102 Plug Vent Hex 14 NPT Monel 102 Plug Flats 4 NPT Monel 102 PARTS LIST PL345 1 PART NO DESCRIPTION CONTENTS AND DRAWING ITEM NUMBER S O Ring Capsule Neck 105 1 Teflon Washer 1 75 dia Capsule to End Cap Model 345D 2 and Models 345A and G with Tantalum Diaphragms 104 16275 411 Magnetic Screwdriver Magnetic Screwdriver for XTC 1 12 16275 412 Enclosure Cap Wrench Cap Wrench 2 1 16345 35 Enclosure Cap Kit Crenelated Enclosure Cap with Sightglass Crenelated Non 1 Crenelated Display Cap and O Ring 3 4 16345 36 Enclosure Cap Kit Flush Enclosure Cap with Sightglass Flush Non Display Cap 1 Flush and O Ring 3 4 1 1 16294 1 Smart Display Kit Replacement Smart Display 9 1 Sensor Assembly For Model 345A D F or G with capsule end caps s vent s drain s and bolts 101 Refer to UM345 1 Model Designation and Specification section and configure a model number that includes the following basic model number parts input range fill fluid output all other se
123. apable of powering several transmitters It can be mounted in a control room or in the field Follow the power supply manufacturer s recommendations with regard to mounting and environmental considerations e located in a controller such as a Primary Master or other 1190 station able to safely provide additional operating current and meet the power supply specifications of Section 9 3 5 750 Determine needed power supply output voltage by calculating z the Network Resistance and consulting the adjacent figure It E 500 shows the minimum power supply voltage needed for the calculated Network Resistance 250 The total Network Resistance is the sum of the Current Sense 9 Resistance end to end Barrier Resistance if used wire resistance and any other resistances in the loop The 0 minimum Network Resistance see Glossary required to 10 15 30 42 support HART communications is 250O The maximum Power Supply Vdc resistance is 11009 ppy 4 3 5 1 Point to Point Network The graph in Section 4 3 5 defines an analog mode transmitter s operating region for the allowable ranges of supply voltage and network resistance Perform the following calculations to ensure that the power supply output voltage permits the transmitter to remain within the indicated operating range 1 Calculate the minimum power supply output voltage The
124. aracter Descriptor and 32 character Message may be entered for the transmitter Date The Date parameter uses the international DD MM YY format This date can be selected by the user to indicate any date or event such as date of installation or last date of service Device Serial Number The 8 digit Device Serial Number is factory configured to match the serial number on the transmitter nameplate It is not recommended that this number be changed Polling Address The Polling Address is 0 and places the transmitter in the analog mode The transmitter will output a 4 20 mA current according to its calibrated range A 5 ALARM BLOCK The Alarm Block is used to configure one or two HART alarms Alarm Block parameters are listed below A description of each parameter then follows Alarm ete hee Oe ORTHO Enable Disable Alarm T Setpoint eel eeu nie eei ES 999999 to 999999 Alarm 1 Lype u gio net pena High Low Alatin 2 3 i GPS HR HRS Enable Disable Alarm 2 S CtpOm ies eoe 999999 to 999999 Alarm 2 Types tette ee a testes tens e tec eS High Low selt Cleanng NAKS eee ere tede titu tede cones a A On Off Alarms Out Of SetviCe nee eet n e Ree Casts ee ERA IR KE e On Off Alarm 1 amp 2 Enable or disable either alarm by setting this parameter as Enable or Disable Alarm 1 amp 2 Setpoint Use this parameter to configure the setpoint for the alarm The alarm setpoints
125. are configured in PV units August 2000 A 5 APPENDIX A FUNCTION BLOCKS UM345 1 Alarm 1 amp 2 Type This parameter determines the type of alarm either high or low These alarms have no associated deadband Self Clearing NAKS The not acknowledge NAK bit in the alarm status word is set whenever the alarm goes from a no alarm to an alarm condition When the alarm condition clears the NAK bit will reset if the Self Clearing NAKS parameter is set to On If the Self Clearing NAKS parameter is set to Off the NAK bit must be reset via a HART command Alarms Out of Service The Alarms Out of Service parameter determines if the out of service bit in the alarm status word is set This bit can be sensed by HART master devices such as the HART Communicator to indicate that the transmitter is out of service and the alarm condition should therefore be ignored A 6 OUTPUT BLOCK The Output Block converts the internal digital signal it receives into a 4 20 mA analog output signal The input to the block represents the actual 4 20 mA process variable The Output Block parameter is listed below and then described Failsafe Level This parameter specifies the value to which the transmitter output will go if an error is detected while the transmitter is performing its self test program This value is set at 3 70 mA a A 6 August 2000 UM345 1 APPENDIX B HAZARDOUS AREA INSTALLATION B 0 APPENDIX B HAZARDOUS AREA INSTALLATION
126. as needed press SEND to download the configuration to the transmitter The SEND softkey changes to SAVE 5 If this configuration will be used for other transmitters save the configuration to either the Memory Module or Data Pack by pressing SAVE F3 from the Configure Xmtr menu or any of its submenus 3 5 CHECKING TRANSMITTER OUTPUT After the transmitter configuration has been confirmed and adjusted if necessary check to be sure that the transmitter is reading the proper pressure in the proper units Use a dead weight tester or other acceptable plant pressure standard to apply 0 25 50 75 and 100 of input values to the transmitter Check that the corresponding outputs are 4 8 12 16 and 20 mA With the transmitter configured properly and with the test equipment in place perform the following steps MPCO 345A PT100 Configure Xmtr 1 gt Write protect 2 Sensor Input Operator Display HELP SAVE HOME 3 4 August 2000 UM345 1 CONNISSIONING AND BENCH TESTING 1 Connect the HART Communicator and press the Quick Access Key 2 From the Quick Access Key menu choose 1 XMTR Variables to view the current transmitter output at right MPCO 345A PT100 3 Apply pressure representing 0 of the configured range XMTR Variables Wait at least 5 seconds 1 gt Range 2 MV 4 Choose 6 to see the current display The current should 3 PV read 4 00 mA 4 Current 5 Repeat steps 1 4 for pressures representing
127. ated Spam Example rente ect ehe t rettet e D 1 022 Suppressed Span Example 2 2 o tee ettet dite e eet e e t D 1 D 3 Elevated Calculation Example 1 2 endete eee dee Het po devi ret ee tdt ere dette D 2 D 4 Suppression Calculation Example esses enne nennen nennen tenente tne enne D 2 G I Analog Sensor Architecture rere eere en certe lene der E ete a G 10 G 2 Dual Analog Sensor Architecture i n rennen nennen nennen nennen G 11 H 1 Transmitter Signal Outputs ioiei irane iei aeiae a Mee an E ee Ede EL gne inen H 1 H 2 Transmitter Function Block for Floating Point Input esee eren H 3 H 3 Transmitter Function Block for Integer Input H 4 H 4 1002D Voting OF 345 Inputs eiii ette ttn ente Re ene nent bene eren ad ete ete ee RE vene eoe enhn H 6 LIST OF TABLES TABLE AND TITLE PAGE 1 1 Model Number vs Figure References 1 2 122 TSOMEC Symbols 2 oett eie tele eie t te ee et eeepc eeta 1 9 1 3 TIC Contact Information 2 tet t ibt e re eet Pese etie conn 1 10 2 1 Function Keys with Their Labels and Actions Performed sse 2 5 2 2 Moore Device Descriptions eee tie Erat de tei Pep eo cote Hat eee potete RE a de ete 2 10 4 Flange and Extension ener reneren eren nren trennen n
128. ative humidity non condensing Maximum Moisture Operating Less than 0 050 Ib H20 per Ib of dry air Storage Less than 0 028 Ib H20 per Ib of dry air Corrosive Atmosphere Class G3 Harsh environment per ISA S71 04 Vibration Effect Less than 0 05 of maximum span per G for 0 to 60 Hz in any axis up to 2Gs maximum Power Supply Effect Less than 0 005 of output span per volt EMI RFI Susceptibility Less than 0 25 of maximum span at 30 V m 30 MHz 1 GHz ESD Susceptibility IEC severity level 4 15 kV Surge Protection Standard units either loop terminal to enclosure 60 Vdc from 5 uF capacitor through 6000 2500V at 150Q source resistance Surge Protection with optional Transient Suppressor August 2000 9 15 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 e Maximum clamping voltage either loop terminal to enclosure NDC antt metrice drei es dees 68 V 100 per microsecond AC surge 70 V peak 1000 kV per microsecond AC surge 120 V peak e Transient surge current Upto 5000 amp for 20 microseconds repeated strikes Static Pressure Effect RANGE SPAN ERROR CORRECTABLE TO B 0 2 per 100 psi 0 2 per 1000 psi D 0 2 per 1000 pse Zero effect eliminated at operating pressure 9 3 5 Safety and Hazardous Area Classifications The transmitter is designed for the following classifications Before installing applying power to or servicing a transmitt
129. be OOOD 0 2 2 displayed on optional J ene Smart Display in 0 100956 FIGURE 3 1 Bench Test Connections August 2000 3 1 COMMISSIONING AND BENCH TESTING UM345 1 Digital amp Milllammeter _ 74 9 Circuit Junction 1 See Note 1 Ore Controller e WM Recorder gt J J D J V a 3 Indicator or lt 250 i eo other 1 5 lt Device Q Transmitter 2 Terminals System Power lt TIE Supply A Notes OCOD 1 Remove jumper between Circuit Junction terminals 1 and 2 and connect DMM as shown Reconnect jumper after disconnecting DMM 2 Loop current can also be shown on transmitter s optional Smart Display in 0 100925 FIGURE 3 2 Field Test Connections 3 1 1 Test Equipment Needed TEST EQUIPMENT DESCRIPTION see Specifications Section 9 3 2 Power Supply 10 to 42 Vdc see Section 4 3 5 Range 4 to 20 mA to measure loop current NOTE Test equipment should be 2 to 10 times more accurate than the transmitter accuracy 3 2 August 2000 UM345 1 CONNISSIONING AND BENCH TESTING 3 2 ESTABLISHING COMMUNICATION 1 Connect the transmitter power supply and HART Communicator in a loop 2 Apply power to the transmitter 3 Press the HART Communicator s ON OFF key The first MPCO 345A PT100 display is the Online menu at right Online Bi
130. cations in Section 9 as necessary e Check that loop resistance is 22500 1100 e Check that electrical noise on the loop is not excessive Power supply ripple should not exceed 12 mVp p e Check that there are no high inductance devices in the loop I P for example Install a HART communication filter across such a device e Check that the power supply voltage is high enough for the installed total loop resistance Refer to Section 4 e Refer to Section 4 and confirm that loop cable length is not excessive e Check that the HART Master is connected across a load e Check to make sure the Critical Transmitter is not in FailSafe mode If so power cycle the unit to clear it out of FailSafe If the unit is still in FailSafe the unit is defective 7 3 3 Diagnosing a Defective Transmitter Should the above not remedy the problem the sensor assembly or electronics module may have failed If the failure permits HART communication use the HART Communicator to access the transmitter Microprocessor based self diagnostic tests continuously examine the sensor assembly and electronics module Perform the procedure below to access the diagnostic displays and determine if a fault exists 1 If not already in communication with the suspect transmitter establish communication see Section 3 2 2 Press the Quick Access Key and then press 2 to view the Status Menu If FAILSAFE is displayed the transmitter has entered the failsafe
131. ce the Secondary Current Source to output 3 7 mA This command can be executed from the Model 275 s Calibration Test menu Power cycling is required after using this command G 8 2 Proof Testing There are undetected faults in the Secondary Current Source that proof testing will detect The proof testing interval is derived from the PFDavg for these particular circuits failing based on a single critical transmitter and SIL2 level requirements SIL2 0 01 to 0 001 Assuming 0 005 for PFDavg PFDavg Lambda_du T 2 solving for or Proof Testing interval T 2 PFDavg Lambda du Executing HART 41 Self Test and HART 189 Output tests will test these circuits Thus for AK SIL safety applications it is required that these two commands are executed and verified at least once every 2 0 years Note that there is a very small probability for undetected dangerous failures in the capsule electronics of this instrument Using the above formula the probability of an undetected dangerous capsule failure is August 2000 G 13 SAFETY INSTRUMENTED SYSTEM UM345 1 greater than once every 10 years It is recommended to replace or test the capsule once every 10 years even based on SIL3 guidelines Testing the capsule requires verifying the capsule accuracy over the full pressure range It is recommended to either replace the capsule or send the existing capsule to the factory for testing and calibration The remainder of the transmitter doe
132. ceeding 5 1 EQUIPMENT REQUIRED e User configuration data for transmitter s under test see Appendix C e HART Communicator see Section 2 of this manual e Laboratory grade digital multimeter DMM for calibrating the 4 to 20 mA output signal Voltmeter Section Accuracy 0 01 of reading Resolution 1 0 mV Input impedance 10 MQ Ammeter Section Accuracy 0 1 of reading Resolution 1 LA Shunt resistance 15Q or less 5 2 INSTALLATION REVIEW 1 Note the model designation and certifications on the transmitter s nameplate and compare to model specified in user s documentation P amp I drawing 2 Refer to Section 9 to confirm that the correct model with the correct certifications has been installed Confirm that any needed hazardous area barriers have been installed and all other installation requirements have been met 3 Check all wiring for correct and secure connection Refer to Section 4 of this manual and user s documentation for wiring diagrams Check wire runs to be sure wires are protected from abrasion or other damage correctly supported and isolated from other signal or power wiring Check that a current sense resistor of the correct value has been installed 4 Apply power to the power supply or other loop power source e g controller Use the DMM to check power supply output voltage 5 3 EQUIPMENT CONNECTION 1 Connect the HART Communicator across a network junction the current sense resistor range
133. ch function block in a Critical Transmitter Default configuration information can be found in Appendix C Below is a diagram of the function block arrangement in the transmitter E Write 7080 P Process Variable MR d M Measure Variable gt Connector to Pi E Operator Display Operator Alarm Di Ca Display eee E 72 oe N Output Is s AG00236a 2 Acus FIGURE A 1 Function Block Arrangement in the Model 345 Transmitter A 1 WRITE PROTECT BLOCK The Write Protect parameter when configured as on blocks all HART commands which write to the transmitter The transmitter will still be accessible by a Model 275 HART Communicator or other HART Masters but these devices will only be able to read data from the transmitter For example if write protect were on the transmitter could not be re ranged To enable write commands configure the write protect parameter as off A 2 SENSOR INPUT BLOCK The Sensor Input Block allows the user to configure those parameters which pertain to the pressure sensor Sensor Input Block parameters and available settings are listed below Measured Variable Units inH O inHg ftH O mmH O mmHg PSI BAR mBAR g sq cm kg sq cm PA kPA Torr Atm Measured Variable Range Lo eene 999999 to 999999 Measured Variable Range Hi eene 999999 to 999999 Damping Tim
134. confirm the descriptor or press ESC F3 to return to the Transmitter ID menu without making a change To change the message text for the transmitter press 3 on the keypad to display the Message menu Type the desired message text up to 32 characters then either press ENTER F4 to confirm the message or press ESC F3 to return to the Transmitter ID menu without making a change To enter a date press 4 on the keypad to display the Date menu at right Type the date in DD MM YY format then either press ENTER F4 to confirm the new name or press ESC F3 to return to the Transmitter ID menu without making a change To enter the transmitter serial number press 5 on the keypad to display the Device S N menu Type the serial number no letters permitted then either press ENTER F4 to confirm the new number or press ESC MPCO 345A PT100 Transmitter ID 1 gt Tag 2 Descriptor 3 Message 4 Date V5 Device S N HELP SEND HOME MPCO 345A PT100 Date 06 23 99 0 23 99 ESC ENTER 6 6 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION F3 to return to the Transmitter ID menu without making a change 11 To enter a polling address press 6 on the keypad to display the Poll addr menu 12 Type polling address 0 zero then press ENTER F4 to confirm the new polling address or press ESC F3 to return to the Transmitter ID menu without making a change 13 Go
135. ditional Troubleshooting for Electronics Module Failure Establish communications between the HART Communicator and transmitter then check transmitter status If transmitter status checks OK exit the Status menu to the Online menu and select Loop Override Verify the loop by setting the output current to 4 12 and then 20 mA read current on Smart Display or ammeter connected to the loop If selected loop currents are significantly out of tolerance or loop current cannot be set replace the electronics module see Section 7 4 1 If the transmitter passes the loop override test continue troubleshooting Electronic modules are interchangeable Try substituting an electronics module from a known good transmitter or from spare parts stock This may require reconfiguration of the transmitter 7 3 3 2 Additional Troubleshooting for a Sensor Assembly The sensor assembly cannot be independently field tested because special pressure generating measuring equipment instrumentation and software are required to confirm operational integrity The procedures below consisting of a combination of transmitter self diagnostics and a known particular symptom and electronics module substitution can be used to confirm a sensor assembly problem First if Transmitter FAILED transmitter selftest is displayed by the HART Communicator perform the following 1 Check for obvious physical damage to the sensor assembly or evidence of a loss of fill fluid
136. dq xt 7 3 TAZA Removing Zero Shift etre te nette ete et e etta 7 4 T I3 On Eine Zero AdJUst nete sag cause vet id ete e eet et Hiat eti ce teet tent 7 5 7 1 4 Calibrate Digital to Analog Converter 7 6 7 2 PREVENTIVE MAINTENANCE 3 eerte tete aeterne eee ape ERI een eee re eee ege 7 8 7 2 1 Tool and Equipment Requirements eese eene enne 7 8 7 2 2 Transmitter Exterior Inspection cessere nre 7 8 7 2 3 Transmitter Exterior Clearinp etii rte tette cte eode Pede e Pe eod 7 9 7 2 4 Transmitter Enclosure Interior Inspection eese nennen 7 9 7 2 5 Transmitter Calibration 2 2 m et ett n tet i E ie EE Rte ibt ge e ciae 7 9 7 2 6 Impulse Piping 5 due e e a A a a E 7 10 TS TROUBLESHOOTING entere SEU ete THREE REC pee et siete 7 10 7 3 1 Analog rote eod ede d ne eer ERU E ae PR ee dde 7 10 7 3 2 Digital Output Communication eese 7 12 7 3 3 Diagnosing a Defective Transmitter esee 7 12 7 3 3 1 Additional Troubleshooting for Electronics Module Failure 7 13 7 3 3 2 Additional Troubleshooting for a Sensor Assembly eee 7 13 7 4 ASSEMBLY REMOVAL AND REPLACEMENT nennen 7 14 7 4 1 Replacing the Electronics Module enne nennen rennen 7 14 7 4 2 Sensor As
137. e This barrier will cause errors in the 4 20 mA signal if the instrument is operated outside the specified operating range WARNING The Model 345 with EEx d ia ia certification is suitable for use in Zone 1 explosive atmospheres only when connected to equipment that does not generate or use more than 250 Vac rms or 250 Vdc Power Supply Requirements A special terminal board is installed to protect the sensor assembly from excessive current draw during fault conditions The following specifications apply Minimum Terminal to Terminal Compliance Voltage 16 5 Vdc Maximum Terminal to Terminal Compliance Voltage 26 Vdc Maximum Load ohms eene See graph on next page Applying a terminal to terminal voltage greater than 26 Vdc can damage terminal board components Calculate the terminal to terminal voltage for your loop as follows Max T T Voltage power supply voltage 0 00385 total loop resistance Min T T Voltage power supply voltage 0 0225 total loop resistance August 2000 E 1 APPENDIX E CENELEC EEX D INSTALLATIONS UM345 1 Select a power supply that allows the terminal to terminal voltage to remain between 16 5 and 26 Vdc over the entire loop current range typically 3 6 mA to 22 mA Installation Correct voltage polarity must be applied to transmitter terminals Applying a reverse polarity voltage can damage the terminal board requiring it to be re
138. e Gas 2 ead Shut Off Valve Liquid Elevated Zero Range Wet Gases Non Condensing and Liquids with Solids in Suspension Valve Gas Safety Shut Off Valve Liquid 2 UU Dripleg with Drain Valve Used to collect solids in liquid suspension or moisture carried with non condensing gases Shut Off Valve Suppressed Zero Range Wet Gases Non Condensing and Liquids with Solids in Suspension FIGURE 4 3 Absolute or Gauge Pressure Measurement Piping August 2000 4 7 INSTALLATION UM345 1 Safety ala Shut Off ky Filling Tee with Valve Hex Plug N Model 345A Ne _ Shut off 9 AG00214a Drain ap Valve 5 To Drain FIGURE 4 4 Steam Service Below the Line Mounting 4 8 August 2000 INSTALLATION UM345 1 Dry Line Leg ff Atmosphere Flange on High Max Level Max Level K Pressure Side Span HV O 77 Low Pressure Side Vented to Min Level Miny Level ohon Atmosphere L Blowdown Valve Closed Tank Non Condensing Atmosphere Level Measurement Open Tank Level Measurement
139. e Constant retten dete be Pee 0 to 30 Seconds ranster Eunctons oe EFE TUI ERE CRI Linear x Transfer Function 0 196 to 3096 Measured Variable Units These are the recognized pressure units within the HART Protocol Pressure units are selected from a pre configured list Other pressure units must be converted to one of these 14 units August 2000 A 1 APPENDIX A FUNCTION BLOCKS UM345 1 Measured Variable Lo MV Lo amp Measured Variable Hi MV Hi These two parameters determine the range of the transmitter The MV Lo parameter represents the pressure that will cause the transmitter to output 4 mA The MV Hi parameter represents the pressure that will cause the transmitter to output 20 mA These two parameters are non interactive Changing one does not effect the other Furthermore these parameters can be configured to make the transmitter forward acting or reverse acting that is the MV Hi parameter does not have to be configured for a higher pressure than the MV Lo parameter For example 100 to 0 PSI is an allowable range with 4 mA being transmitted at 100 PSI and 20 mA being transmitted at 0 PSI The actual limits for the MV Lo and Hi parameters as well as the span are determined by the particular sensor range at hand The Upper Sensor Limit USL and Lower Sensor Limit LSL are listed with the Sensor Input Block parameters when using a HART Communicator
140. e surfaces of hardware Background Color Yellow Symbol Color Black Outline Color Black Background Color White Symbol Color Black Outline Color Black 1 5 PRODUCT SUPPORT This section provides the Internet site addresses e mail addresses telephone numbers and related information for customers to access Siemens product support When contacting Siemens for support e Please have complete product information at hand e For hardware this information is provided on the product nameplate part number or model number serial number and or version e For most software this information is given in the Help gt About screen If there is a problem with product operation e 5 the problem intermittent or repeatable What symptoms have been observed August 2000 1 9 INTRODUCTION UM345 1 e What steps configuration changes loop modifications etc were performed before the problem occurred e What status messages error messages or LED indications are displayed e What troubleshooting steps have been performed e 5 the installation environment e g temperature humidity within the product s specified operating parameters For software does the PC meet or exceed the minimum requirements e g processor memory operating system e of the product Service Instruction User s Manual or other technical literature should be at hand The Siemens public Internet site see
141. enables all variables in all units to be displayed locally Automatic switching between variables is August 2000 A 3 APPENDIX A FUNCTION BLOCKS UM345 1 enabled by configuring the Autotoggle parameter or the user can switch manually using the local magnetic switches see Section 6 for local operation The following table summarizes local display operation Local Display Code Variables Available on Local Display MV MV Autotoggle The Autotoggle parameter is used to force the local display to automatically toggle through all parameters defined by the Local Display Code Toggle Time This parameter defines the time between toggling to the next variable when Autotoggle is configured A 4 TRANSMITTER ID BLOCK The Transmitter ID Block can be used to maintain identification information about the transmitter Transmitter ID Block parameters are listed below and a description of each parameter then follows 8 Character ASCII Descriptor 16 Character ASCII ari eet Sach colby Gen et Ee YO ERE 32 Character ASCII Date DD MM YY Device Seral Number uie et eee 0 to 16777215 Polling Address matte eet eet 0 A 4 August 2000 UM345 1 APPENDIX A FUNCTION BLOCKS Tag Descriptor and Message These three parameters are ASCII text and have no bearing on transmitter output Up to an 8 character Tag 16 ch
142. ennen 4 28 6 1 Configuration Jumper Positioning nre enne nnne 6 1 Dad Error Codes eine et tenendo ih HESS e petu eiie ete a ER EE E 7 13 vi August 2000 UM345 1 CONTENTS 9 1 Model 345D Model Designation 2 eerie ridere eh e ee hand rera 9 2 9 2 Model 345A Model Designation ioter ede tee PH ne eed 9 3 9 3 Model 3456 Model Designation e ieee eren nennen trennen nennen nne tne tnnt 9 4 9 4 Model 345F Model 1 rte tede iter ee Rte nece eu Ceo rue e de 9 5 9 5 Model 345 Sterling High Performance eese 9 6 9 6 Model 345 with Tantalum Diaphragms eese nennen nennen 9 7 9 7 Model 345 ACCeSSOFIES 1i eret oe i n sett ete EE ect eL 9 8 G 1 Detailed Eault Checkine e eei tete e e esten e usted ve G 5 5 2 Safety Integrity Eevels 5 n I en uu f eee eo ge a ri t e np irt ge RT i beens G 7 H 1 Current Output for th 345 ete ieee Rea cue H 1 H 2 Results of 1002 Voting 345 Input Signals eese ener nre H 5 H 3 VOTE 1002D Function Block Inputs and Outputs eee ceseceseceseceeeceseceseeseeeeeeeeeaeeeaeeeaeeenaes H 7 Changes for Rev 3 August 2000 Significant changes to UM345 1 are listed in the following table
143. ent part Issue number of original circuit module 10 Issue number of replacement circuit module 11 Date of completion SUO CATONE CE A E 7 8 RECOMMENDED SPARE AND REPLACEMENT PARTS The quantity and variety of spare parts is determined by how much time a transmitter can be permitted to remain out of service or off line Replaceable parts are shown in the Parts List at the back of this manual Consult the Parts List to select spare parts to stock and to obtain spare and replacement part numbers Contact the factory if assistance is needed in determining quantity and variety of spare parts When ordering a part provide the following information for the item module or assembly to be replaced or spared This information will help ensure that a repair addresses the observed problem and that a compatible part is supplied Part number from Parts List or from a label on the assembly The single digit software revision level Model and serial number from the transmitter s nameplate User purchase order number of original order available from user records MU Ur August 2000 7 19 CALIBRATION AND MAINTENANCE UM345 1 5 New user purchase order number for the assembly to be replaced or spared 6 Reason for return for repair include system failure symptoms station failure symptoms and error codes displayed Returns should be packaged in original shipping materials if possible Otherwise package item for safe shipment or con
144. er see the transmitter s nameplate and the Tables in Section 9 1 for the safety and electrical classifications Contact Siemens Moore for latest approvals and certifications T V compares to ISA 584 01 SIL 2 see certificate on a following page IEC 61508 Certified to SIL2 for 1001D single transmitter operation Certified to SIL3 for 1002D dual transmitter operation CE Approved EN50081 1 1992 and EN50082 2 see Declaration of Conformity on a following page ABS Type approved FM CSA Approval Intrinsically Safe Class I Division 1 Groups A B C and D Class II Division 1 Groups E F and G Class III Division 1 Explosion Proof Class I Division 1 Groups B C and D Class II Division 1 Groups E F and G Class III Division 1 Non Incendive Class I Division 2 Groups A B C and D When installed in accordance with Drawing 15032 3451 9 16 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS CENELEC Approval Intrinsically Safe EEx ia IIC T6 Tamb 40 C to 50 C T5 Tamb 40 C to 65 C T4 Tamb 40 C to 85 C Explosion Proof EEx d ia ia IIC T5 Tamb 40 C to 85 C T6 Tamb 40 C to 75 C BASEEFA Approval Ex 4 Ex N IIC T5 Tamb 40 C to 85 C Tamb 40 C to 40 C in accordance with BS6941 1988 SAA Australian Certification Ex ia I IIC T4 Tamb 85 C IP66 IP67 Class I Zone 0 Ex d T6 IP66 IP67 Class I Zone 1 Ex m IIC T6 IP6
145. er that passes HART signals and rejects low frequency analog signaling e Voltage to current converter that converts the output of the ASIC s D A conversion to 4 20 mA loop output signal e Independent second current source for output 2 e Automatic switchover to output 2 when an output 1 error is detected August 2000 8 3 CIRCUIT DESCRIPTION UM345 1 8 3 THEORY OF OPERATION The following description applies to all Model 345 transmitters since they operate similarly Refer to Figures 8 1 and 8 2 as necessary 8 3 1 Pressure to Frequency Conversion The process variable applied to the capacitive pressure sensor changes the value of the sensor s C capacitor thereby generating a sense frequency F by the EMO that is directly proportional to the applied pressure The EMO uses the reference capacitor C and the sum of both capacitors Cs r to generate additional frequencies and F One at a time each of the three frequencies is gated to the EMO ASIC by digital commands from the electronics module 8 3 2 Frequency to Digital Conversion The first of the three frequencies F Fs and F generated by the EMO is applied to the ASIC and the microcontroller for redundancies checks Two counters in the ASIC count the time and number of cycles for each frequency This data is stored and a Mode Toggle MT command is sent to the EMO to switch to the next frequency When all three frequencies are stored the Microcontrol
146. ething external to the transmitter The following list shows possible causes and corrective actions for these problems If reviewing this list and performing applicable corrective actions does not remedy the problem proceed to Section 7 3 3 Diagnosing a Defective Transmitter 7 10 August 2000 UM345 1 CALIBRATION AND MAINTENANCE Check Impulse Piping e Check that high and low pressure pipe connections are not reversed e Check for leaks or blockage e Check for entrapped gas in liquid lines or for liquid in dry lines e Check for sediment in transmitter s process connection blocks e Check that blocking valves are fully open and that bypass valves are tightly closed e Check that the density of the fluid in piping is unchanged Check Loop Power Supply Wiring e Check loop power supply for blown fuse or tripped circuit breaker e Check for 10 Vdc minimum across loop terminals in transmitter terminal compartment e Check power supply output voltage 15 Vdc minimum 42 Vdc maximum e Check polarity of loop wiring at both power supply and transmitter e Check for loose or broken loop wiring at power supply terminals supply barriers if used junction boxes and transmitter terminal compartment e Check for disconnected or broken current sense resistor e Check for short between shield and loop wire e Check for accumulation of moisture in transmitter terminal compartment e Check loop cable for proper type and length
147. execute proof testing RERANGING Changing a transmitter s 4 and 20 mA settings 1 setting LRV and this is a configuration function SAFE FAULT A fault that does not cause the output to be in more than 2 error SAFETY AVAILABILITY equals 1 PFD SECONDARY MASTER An occasional user of a network such as the HART Communicator SECOND CURRENT SOURCE Redundant current source used in case the primary current source is determined to be malfunctioning or the main processor is not in control SEDIMENT Solid material that settles in a liquid or gas and can cause blockage that may affect pressure measurement SIS Safety Instrumented System SPAN Algebraic difference between the upper and lower range values and LRV TRANSDUCER A device that accepts an input such as pressure and converts that input into an output of some other form such as a voltage T 0 First Fault Detection Time 1040 mS August 2000 10 3 GLOSSARY UM345 1 UPPER RANGE LIMIT URL The highest value of the measured variable that a transmitter can be configured to measure UPPER RANGE VALUE Representing the 20 mA point in a transmitter s output this is the highest value of the measured variable that the transmitter is currently configured to measure 10 4 August 2000 UM345 1 APPENDIX A FUNCTION BLOCKS A 0 APPENDIX A FUNCTION BLOCKS This section provides a detailed description of ea
148. ey to turn the Communicator on It displays the Main menu with the cursor gt positioned at 1 Offline 2 Access the Utility menu by pressing the DOWN arrow key three times then pressing the RIGHT ARROW SELECT key The display changes to show the Utility menu 3 Access the Configure Communicator menu from the Utility menu by pressing the RIGHT ARROW SELECT key The display changes to show the Configure Communicator menu 4 Access the Contrast menu by pressing the DOWN arrow once then pressing the RIGHT ARROW SELECT key The display shows a message explaining how to adjust the LCD contrast 5 Press ESC F3 to return to the Configure Communicator menu 6 Press the LEFT ARROW PREVIOUS MENU key two times to return to the Main menu 7 Press the ON OFF key to turn the Communicator off 2 4 3 Reviewing Installed Devices For the HART Communicator to recognize a HART compatible device it must have a description for that device installed The HART Communicator is supplied from the factory with descriptions for Model 345 Transmitters and other HART compatible devices from leading manufacturers In addition it contains a generic device description which allows limited access to most HART devices when no device description for that specific device exists in the Communicator To review the currently installed devices on the Communicator use the following steps 1 Turn on the Communicator off line to display Main Menu 2 F
149. f or On press 6 on the keypad to view the Autotoggle menu August 2000 6 5 ON LINE CONFIGURATION AND OPERATION UM345 1 12 13 14 15 Use keypad numbers 1 or 2 to select either Off or On and return to the Operator Display menu Alternatively use the UP or DOWN arrows to scroll to the desired option then either press ENTER F4 to confirm the new selection or press ABORT F3 to return to the Operator Display menu without making a change To enter a toggle time value in seconds press 7 on the keypad to display the Toggle Time menu Type the desired toggle time value then either press ENTER F4 to confirm the new value or press ESC F3 to return to the Operator Display menu without making a change Go to the next section or the next desired function block 6 2 1 5 Transmitter ID Transmitter ID block parameters and the range of values are described in Appendix A Default values are in Appendix C 1 10 From the Transmitter ID menu at right press 1 on the keypad to display the Tag menu Type the alphanumeric tag for the transmitter up to 8 characters then either press ENTER F4 to confirm the new name or press ESC F3 to return to the Transmitter ID menu without making a change To change the transmitter s descriptor press 2 on the keypad to display the Descriptor menu Type the alphanumeric descriptor up to 16 characters then either press ENTER F4 to
150. f test the Critical Transmitter See Section G 8 G 7 3 Maintenance Refer to Section 7 0 Calibration and Maintenance for recommended procedures Note that clogged or damaged impulse piping can not be detected by transmitter diagnostics G 8 OTHER CONSIDERATIONS The following subsections contain installation pre startup preventive maintenance and system considerations G 8 1 Pre Startup Acceptance Test PSAT A Pre Startup Acceptance Test PSAT should be performed on the Critical Transmitter The test should be done according to the PSAT test plan The use of a checklist as part of the test plan is recommended A test report should be written to log all test results If any tests do not pass a list of correction items should be maintained After corrective action the tests should be repeated until all tests are successful The PSAT for the Critical Transmitter should include executing e HART command 189 Output Test The transmitter performs a self test that ramps the output over the transmitter s full range If the transmitter finds a problem its output goes to the failsafe current 3 7 mA and FAIL will be displayed on the display if one is installed This can be verified on a suitable meter connected to the output although some meters may be too slow to see the step changes This command can be executed from the Model 275 s Calibration Test menu e HART command 41 Self Test The transmitter will reset itself and for
151. formation Flange thickness Flange diameter and pressure rating Number of flange mounting holes Flange mounting hole diameter Flange bolt circle diameter Refer to Figure 4 13 and Table 4 2 when performing the following procedure 1 Determine needed bolt length The user must supply mounting bolts nuts and washers Bolt length is determined by the combined thickness of the flange mounted on the vessel and the transmitter s flange 2 As necessary loosen the enclosure rotation set screw and rotate the enclosure for clearance and best viewing of the optional Smart Display 3 Boltthe transmitter s flange to the vessel s flange Four mounting positions 90 degree increments are possible with 2 inch flanges and eight positions 45 degree increments are possible with 4 inch flanges 4 Reposition the optional Smart Display as necessary Refer to Section 4 6 1 4 26 August 2000 INSTALLATION UM345 1 7 16 20 Tapped Hole 8Places En 3 50 ED 88 9 5 20 132 1 Y 3 lt Vent a Drain Plug 14 4 NPT y 31 0 Process E 1 Connection Pa lt gt XL lt N 1 Bolt Circle I BC a Enclosure Diaphragm n Rotation es Plane
152. gineer to reduce risk in an industrial process The SIS is designed to automatically respond to potentially dangerous process conditions and take preprogrammed action to mitigate or avoid a dangerous condition The Critical Transmitter is TUV certified as a safety rated pressure sensor part within a SIS Safety is measured primarily by the parameter Average Probability of Failure on Demand PFDavg This is a probability number ranging between zero and one It indicates the chance that a SIS will not perform its preprogrammed action during a specified interval of time usually the time between periodic inspections A related measure is called Safety Availability It is defined as the probability that a SIS will perform its preprogrammed action when the process is operating It can be calculated as follows Safety Availability I PFDavg Another parameter is called the Risk Reduction Factor RRF It is the ratio of risk without a SIS divided by the risk with a SIS It can be calculated as follows RRF PFDavg The amount of risk reduction needed for an industrial process must be determined This is usually done by classifying each safety instrumented function according to an order of magnitude scale This scale is called Safety Integrity Levels SIL These are specified in ISA 584 01 and in IEC61508 see above for references There are similar DIN V VDE 0801 AK levels Table G 2 shows the target range of values The values apply to the enti
153. gnal condition 1 Process variables 2 Analog output 3 AO Alrm typ 4 HART output 3 Output condition 1 1 Field device info 2 Sensor information 3 Meter type 4 Self test 4 Device information FIGURE 2 6 Generic Online Menu Tree Lower Range Value LRV the current lower range value and the related engineering unit When the lower range value contains too many characters to display on the Online menu access the PV LRV Menu to view the lower range value and related engineering unit by pressing 4 Upper Range Value URV the current upper range value and the related engineering unit When the lower range value contains too many characters to display on the Online menu access the PV URV Menu to view the upper range value and related engineering unit by pressing 5 1 Keypad Input 2 Apply Values 1 D A trim 2 Scaled D A trim 1 Sensor trim 2 Characterize 1 Loop test 2 D A trim 3 Scaled D A Trim 1 Poll Address 2 Number of Request Preambles 3 Burst mode 4 Burst option 1 Tag 2 Date 3 Descriptor 4 Message 5 Model 6 Write protect 7 Revision 5 8 Final asmbly num 9 Dev id 10 Distributor 2 18 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR 2 5 3 Frequency Device Menu From the Main menu press 3 to access the Frequency Device menu This menu displays the frequency output and corresponding pressure output for current to pressure devices For Mode
154. grouped and displayed according to certain characters within the chosen device identifier Tag Descriptor or Name It is useful for selecting all the tags from a certain area of the process or plant When setting up a Filter see display at right two wildcard characters the period and the asterisk are used The period replaces a single character of any value The asterisk replaces one or more alphanumeric characters of any value For example if A 1 is entered as the filter the configurations displayed will be all those with device tags starting with A followed by any combination of characters e g XYZ S2 3R followed by a dash followed by any single character e g 1 D M and ending with a 1 The tags A M1 B1 A N2 Z1 or A SF X1 would display HART Communicator Saved Configuration 1 Module Contents 2 Data Pack Contents 3 PC HART Communicator Data Pack Contents a PT101 PT102 PT103S PT104 FILTR XPAND HART Communicator Tag Filter A 1 HELP DEL ESC ENTER 2 14 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR whereas the tags BA53 PT101 or ATT48 would not display XPAND The XPAND function key allows a user to view the Tag Descriptor and Name for the configuration being edited or viewed Selecting Compress restores the previous compressed display which shows only the current Tag Descriptor or Name 3 With the Module Content
155. has not elapsed the value that is closest to the last value of OUT is selected as the output ELSIF DIFF1 lt DIFF2 THEN August 2000 H 9 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM UM345 1 OUT ELSE OUT IN2 END_IF END_FUNCTION_BLOCK a H 10 August 2000 UM345 1 WARRANTY W 0 WARRANTY a Seller warrants that on the date of shipment the goods are of the kind and quality described herein and are free of non conformities in workmanship and material This warranty does not apply to goods delivered by Seller but manufactured by others b Buyer s exclusive remedy for a nonconformity in any item of the goods shall be the repair or the replacement at Seller s option of the item and any affected part of the goods Seller s obligation to repair or replace shall be in effect for a period of one 1 year from initial operation of the goods but not more than eighteen 18 months from Seller s shipment of the goods provided Buyer has sent written notice within that period of time to Seller that the goods do not conform to the above warranty Repaired and replacement parts shall be warranted for the remainder of the original period of notification set forth above but in no event less than 12 months from repair or replacement At its expense Buyer shall remove and ship to Seller any such nonconforming items and shall reinstall the repaired or replaced parts Buyer shall grant Seller access to the goods at al
156. he keypad or the RIGHT ARROW SELECT key to access the Offline menu The complete menu tree for the Offline Menu is shown in Figure 2 4 1 New Manufacturer Model Fld dev rev From Blank Template Configuration 1 Mark all 2 Unmark all 3 Edit individually 4Saveas Save As 2 Saved _ Name Saved Configuration 1 Location Configuration 1 Edit Edit 2 Name 2 Copy to 1 Mark all 3 Data Type 3 Send 2 Unmark all 4 Print 3 Edit individually 5 Delete 4Saveas Save As 6 Rename 1 Location 7 Compare 2 Name 3 Date Type FIGURE 2 4 Offline Menu Tree 2 5 1 1 New Configuration This option is used to compile a custom set of device configuration data for downloading later to one or more HART compatible devices Downloading the same data to multiple devices ensures that they all store identical configuration data Use the following steps to compile off line new device configuration data HART Communicator Offline a 1 gt New configuration 1 From the Main menu press 1 to access the Offline menu 2 Press 1 to enter a new configuration The Manufacturer menu appears 2 Saved configuration 3 Choose a manufacturer by scrolling to the manufacturer name with the DOWN arrow then pressing RIGHT ARROW SELECT The Model menu appears 4 From the Model menu choose a device by scrolling through the list then pressing RIGHT ARROW SELECT The Field Device Revision Fld dev rev men
157. ide LRV 120 inH2O 3 Calculate the URV URV LRV Span URV 120 100 URV 220 inH2O Therefore transmitter range should be 120 to 220 inH5O D 3 SUPPRESSION CALCULATION EXAMPLE Figure D 4 shows a sample transmitter installation 1 Calculate the differential pressure as follows x SpG uign side x SPG Low side where H Height 2 Calculate the LRV when the tank is empty LRV 0 x 1 0 uign siae 100 x 1 0 side LRV 100 inH2O 3 Calculate the URV URV LRV Span URV 100 100 URV 0 inH2O Therefore transmitter range should be 100 to 0 inH5O Max Range H O 100 Min Range A A 120 X03070S0 FIGURE D 3 Elevation Calculation Example Max Range H O Span spG 1 0 Min Range Filled with Condensate X03070S0 FIGURE D 4 Suppression Calculation Example D 2 August 2000 UM345 1 APPENDIX D ELEVATION AND SUPPRESSION D 4 RECOMMENDED METHOD An alternative to making the above calculations and entering derived values into the Sensor Input Block is to shift the span directly using the HART Communicator while adjusting the process levels 1 2 3 4 Range the transmitter using the HART Communicator as for a zero based span e g 0 100 inH 0 Install the transmitter on the process Fill the impulse pipe wet legs
158. iguration mode remains active and the parameters remain accessible until configuration is exited Operation is discussed in Section 2 and Section 6 2 3 When monitoring loop operation using the HART Communicator the password is not needed and the Configuration Jumper can be in the enable or disable position August 2000 6 1 ON LINE CONFIGURATION AND OPERATION UM345 1 6 2 1 Configuration Each transmitter is shipped with default data stored in its memory Some of this data controls communication and transmitter operation and cannot be altered by the user Other data is used to make the transmitter respond to changes in pressure with a change in current or digital output and is alterable by the user This data includes configuration parameters that are used to set up the transmitter There are 6 function blocks Each block contributes a specific operation and each operation is defined by one or more user definable parameters Configuration is the process of selecting the needed function blocks and entering or editing the parameters Appendix A describes each function block and its parameters Appendix C provides the default value for each parameter After a block s parameters have been edited configuration information for that block can be sent to the transmitter Alternatively all function block parameters can be edited and a completed configuration downloaded to the transmitter NOTE To download a configuration the Config
159. ine Flow Vertical Main Line Flow 1 4 Transmitter Below Orifice Transmitter Above Orifice FIGURE 4 1 Differential Flow Measurement Piping for Gas and Liquid August 2000 4 5 INSTALLATION UM345 1 Fill Connection 7 LP Shut Off LP Shut Off __ X Valve ee x JP P Shut of x E Elevated Zero See Max Range Valve Max Range Distance Y Section 9 Specifi N cations my H LP line i traa empty not filled OS S with con NS Ten E Ine Suppressed Zero To S HP Shut Off filled with calculate maximum N Valve NCH distance subtract Note 1 _ X actual span setting Distance X from range limit given See Note 4 in specification Y Dripleg and Drain Valve A Pressurized Closed Vessel Installation B Pressurized Closed Vessel Installation Non Condensable Fluid Condensable Fluid Notes 1 Transmitter may be mounted at or below the HP Shut Off minimum level to be measured Valve 2 Open or vented vessels require only high pressure E HP connection 3 High pressure line senses static pressure plus level Low pressure line senses pressure only The two pressures oppose each other canceling the effect of static pressure Suppressed Zero To calculate
160. ing value is exceeded lower the damping value by momentarily touching the magnetic screwdriver to the Z switch for each step While setting damping the Smart Display shows alternately SEC for seconds and the new damping value in seconds Observe that the value is correct 4 When the desired damping value has been set momentarily touch the D switch with the magnetic end of the screwdriver This stores the damping value in the transmitter and returns the transmitter to normal mode August 2000 6 15 ON LINE CONFIGURATION AND OPERATION UM345 1 6 16 August 2000 UM345 1 CALIBRATION AND MAINTENANCE 7 0 CALIBRATION AND MAINTENANCE This section describes calibration preventive maintenance and troubleshooting The Calibration section contains procedures to calibrate a Model 345 and to eliminate any position induced zero shift The Maintenance section has preventive maintenance procedures that are employed to protect the reliability of the transmitter Should a malfunction occur procedures in the Troubleshooting section can help minimize downtime This section also includes transmitter removal and replacement procedures recommended spare and replacement parts software compatibility and return shipment instructions WARNING In Division 1 areas where an explosion proof rating is required remove power from the transmitter before removing the transmitter s enclosure cap for access to the electrical terminal compart
161. ing process Changing the fullscale value does not change the zero value 1 2 4 Adjust the process pressure to the fullscale value Hold the magnetic end of the screwdriver on the FS switch for 5 seconds or more then release the pushbutton The PB annunciator on the Smart Display should remain lit after removing the screwdriver if it does not repeat this step If working without a Smart Display be sure to count seconds properly or hold the screwdriver for 7 or 8 seconds to be sure pushbutton mode is activated NOTE Pushbutton mode times out after 1 minute of inactivity If the PB annunciator goes out repeat step 2 before proceeding Pushbutton mode can be deactivated by 1 momentarily holding the magnetic screwdriver on the D switch or 2 waiting 1 minute for the automatic time out to occur Enter the fullscale value by momentarily pressing the magnetic end of the screwdriver on the FS switch Observe that the PB annunciator on the Smart Display extinguishes indicating a return to normal mode The currently applied pressure has now been stored as the URV 100 range value NOTE Changing the fullscale value of the transmitter does not affect the zero value If the input value is either smaller than the minimum span or larger than the maximum span allowed by the transmitter then no new fullscale value is stored The fullscale set is complete To adjust damping go to the next section 6 4 3 Adjust Local Da
162. installations Teflon tape is the recommended thread sealant for process connections at the transmitter 1 If installed remove process connection blocks from the transmitter s end caps process manifold 2 Press supplied O ring seals into the grooves in the face of the two or three valve manifold and bolt the transmitter end caps to the transmitter side of the two or three valve manifold 3 Thread 1 2 nipples of inches or less length into the high and low pressure ports of the orifice flanges Thread sealant must be used 4 Thread the process connection blocks directly onto the nipples Thread sealant must be used The 1 2 NPT tapped hole in a process connection block is off center to accommodate 2 inch or 2 25 inch centers Figure 9 1 For 2 13 pipe centers the tapped holes should be offset to the right side 5 Place the supplied Teflon gaskets on the connection blocks and bolt them to the manifold 6 Reposition the optional Smart Display as necessary Refer to Section 4 6 1 August 2000 4 25 INSTALLATION UM345 1 4 5 MECHANICAL INSTALLATION MODEL 345F The Model 345F Transmitter can be flange mounted directly to the point of measurement on a vessel to provide a liquid level measurement The flange mounted diaphragm is factory assembled to the high pressure side of the transmitter Figure 4 13 shows a typical Model 345F in an ANSI and metric flange Table 4 2 includes the following mounting in
163. ion because of a communication error PGDN move down one help screen NEXT go to next message in a list of messages EXIT leave the current menu PGUP move up one help screen PREV YES answer to yes no question ALL go to previous message in a list of messages include current Quick Access Key item on Quick Access Key menu for all devices NEXT SAVE go the top menu in the device description save information to Communicator MARK toggle marked variable in configuration to be sent to a field device XPAND opens detailed configuration information CMPRS closes detailed configuration information go to the next variable in off line edit FILTR go back to the menu from which HOME was pressed open customization menu to sort configurations edit a variable value add current item to Quick Access Key acknowledge information on the LCD ENTER accept user entered data EXIT Leave the current menu NO answer to yes no question ONE include Quick Access Key item for one device August 2000 2 5 MODEL 275 HART COMMUNICATOR UM345 1 2 3 3 Action Keys Directly beneath the LCD and software defined function keys are six blue white and black action keys Each has a specific function as described below X N vA P O E A YOO Ne ZU XS ON OFF KEY Use to power up the Communicator
164. l 345 transmitters the display frequency and pressure values are both none 2 5 4 Utility Menu From the Main menu press 4 to access the Utility menu at right This menu provides functions that affect the operation of the Communicator not the connected devices 2 5 4 1 Configure Communicator From the Utility Menu press 1 to access the Configure Communicator menu below right appears Use this menu to set the polling adjust the contrast of the LCD set the Communicator shutoff time or set how many diagnostics messages to ignore before a warning message is displayed Use the Polling option to direct the HART Communicator to search for a connected device The Communicator finds every device in the loop and lists them by tag number If Polling is Never Poll then the Communicator will not find a connected device The Contrast menu is used to change the LCD contrast Contrast returns to the default value when the Communicator is turned off Off Time is used to set the Communicator to turn off automatically when not in use to conserve battery power The Communicator normally displays diagnostic messages from a connected device The Ignore Diagnostics option permits the user to specify the number of messages to ignore so that messages will not be displayed as often extending the time between displayed messages The message count defaults to a nominal count of 50 each time the Communicator is turned on HART
165. l and integral Transient Suppressor Direct Connection to Model 348 Field Mounted Controller or Spare Capsule Diaphragm DB DD GD GF AD AF B C D T Tantalum TABLE 9 6 Model 345 With Tantalum Diaphragms 0 75 15 inH5O 0 185 3 7 kPa 10 450 inH O 2 5 112 5 kPa 10 450 inH O 2 5 112 5 kPa 12 6 450 psi 87 3100 kPa 10 450 inH O Abs 2 5 112 5 kPa 12 6 450 psia 87 3100 kPa Note Superscript See page 9 1 for these notes Body Parts Process Connection TB TC TD TE Hi Side Lo Side Use with Hastelloy C 316SS A G Hastelloy C D Monel 316SS A GO Monel Monel p Fill Fluid B Silicone DC200 C Inert Output Indicator 345 DD B T TB B 5 4 5 Digit Digital Smart Display N Not Required Standard Options X Oxygen Cleaned Y Special Features N Not Required Mounting Bracket 1 2 Pipe Mount Bracket with SS Hardware 2 Universal Bracket 3 2 Pipe Mount 316SS Bracket N Not Required Housing 1 Aluminum 14 NPT 2 Aluminum M20 x 1 5 N Not Required Hazardous Area Classification CSA AII CRN Registered FM CSA All CENELEC EExd SAA All and ABS Type Approved CENELEC EExia and BASEEFA Type N Non Approved FM CSA All and ABS Type Approved 4 5 5 N N N 3 Sample Model Number August 2000 9 7 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 9 2 ACCESSORIES Table 9 7 lists many of the accessories available for Model 345s Additional information about many tra
166. l reasonable times in order for Seller to determine any nonconformity in the goods Seller shall have the right of disposal of items replaced by it If Seller is unable or unwilling to repair or replace or if repair or replacement does not remedy the nonconformity Seller and Buyer shall negotiate an equitable adjustment in the contract price which may include a full refund of the contract price for the nonconforming goods c SELLER HEREBY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED EXCEPT THAT OF TITLE SPECIFICALLY IT DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE COURSE OF DEALING AND USAGE OF TRADE d Buyer and successors of Buyer are limited to the remedies specified in this article and shall have no others for a nonconformity in the goods Buyer agrees that these remedies provide Buyer and its successors with a minimum adequate remedy and are their exclusive remedies whether Buyer s or its successors remedies are based on contract warranty tort including negligence strict liability indemnity or any other legal theory and whether arising out of warranties representations instructions installations or non conformities from any cause e Note This article does not apply to any software which may be furnished by Seller In such cases the attached Software License Addendum applies August 2000 W 1 WARRANTY UM345 1 August 2000 Siemens Moore P ARTS LI
167. lace a supplied washer and hex nut on each end of the U bolt and hand tighten the nuts Rotate the bracket around the pipe to place the transmitter in the desired position then secure the bracket to the pipe Do not over tighten nuts 4 Reposition the optional Smart Display as necessary Refer to Section 4 6 1 August 2000 4 19 INSTALLATION UM345 1 0 88 4 12 22 4 104 7 Transmitter Notes Mounting Hole 4 places 1 Includes 2 Pipe Mount 31655 Bracket Vent Drain Plug Clearance Hole Standard mounting bracket is for 4 places Model 345D and Models 345A and G with tantalum diaphragms 9 62 2 Dimensions are in inches 244 3 TER NN millimeters 0 34 8 64 3 Diaphragm plane for transmitter N Dia et places in adjacent orientation Supplied for anticipating position induced wa 2 32 zero shift 58 9 Y Y 1 75 44 4 8 Req d to lt Remove Ca 5 20 132 1 A 0 75 19 1 3 50 U 88 9 pu ENTE 5 21 Diaphragm 132 3 jPlane See 643 Gl Note 3 163 3 f Y Tus Y Diaphragm Plane Enclosure Rotation ND Edge View Set Screw we ISee Note 3 supp
168. lded copper Conductor Size for Network Length Less than 5000 feet 1524 m 24 AWG 0 23 mm minimum More than 5000 feet 1524 m 20 AWG 0 56mm minimum 16 AWG 1 3 mm maximum Cable Refer to Section 4 3 6 Recommendation Belden 8641 24 AWG 0 23 mm Belden 8762 20 AWG 0 56mm Length Maximum Refer to Section 4 3 6 9 3 4 Environmental Ambient Temperature Effect Models 345A 345D and 345G Ranges A and B 0 175 URL 0 075 span per 28 C 50 F Ranges D and 0 075 URL 0 075 span per 28 50 F Model 345F Ranges D and F 0 075 URL 0 075 span 1 5 inH O per 28 C 50 F For 3 and 4 flanges only For smaller flanges consult the factory 9 14 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Temperature Limits Sensor Assembly e Silicone 40 to 125 C 40 to 257 F limited to 85 C in vacuum service e nert fill to 85 C 32 to 185 F limited to 85 C in vacuum service e Paratherm 20 to 125 C 4 to 257 F limited to 85 C in vacuum service Electronics e 40 to 85 C 40 to 185 F limited to 85 C in vacuum service Stability Zero Stability Range A 0 1 of URL for 6 months Ranges B G 0 1 of URL for 12 months Span Stability No measurable drift Humidity 0 100 rel
169. lect ifferent from tha farm mS alphabetic and other shown LL Jj characters above a number period or dash FIGURE 2 1 Model 275 Universal HART Communicator August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR Figure 2 2 illustrates typical wiring connection between the HART Communicator and a loop with a transmitter or other HART compatible device on a loop The Communicator is quickly connected into a transmitter loop Current Sense Circuit Resistor 250 to Junction 1100 See Note z SA TEE gt 3 Range Resistor Hazardous amp Location 250 typical ET Location Input Module aly A A Controller or jo B f T Other 1 5 B erminals Device See zs e J Note 2 Je 7 7 J See Note 4 See Note 1 Notes 1 HART Communicator Connections Non hazardous location Connect as shown above Hazardous location Refer to Communicator nameplate and the Manual supplied with the Communicator for certifications and approvals before connecting The HART Communicator is a non polar device 2 The System Power Supply may be part of the host input device or a separate device 3 Network resistance equals the sum of the barrier resistances and the current sense resistor Minimum value 250 Ohms maximum value 1100 Ohms 4 Supply and return
170. lections are N process diaphragm Sample Model Number 345DBDS AABNNNNN NS Process Connection Block Kit Dual Hastelloy for Model 345D NS F and G NS Process Connection Block Kit Single Hastelloy for Models 345A F and G NS 15965 53 Connection Blocks Process Connection Block Washer NS Notes e Refer to User s Manual UM345 1 for accessory part numbers and for servicing a transmitter e See exploded views on first page for transmitter disassembly and for item reference numbers e An identifies a recommended on hand spare part Include transmitter nameplate information when ordering spare or replacement parts e NS Not shown in exploded views PL345 1 PARTS LIST
171. lectronics module and can be pushed no further 7 Use a flat blade screwdriver to tighten the screws fully 8 Install an enclosure cap with sightglass by turning clockwise Tighten cap to compress the O ring Turn on power to the transmitter Rotate a Smart Display 1 Turn off power to the transmitter 2 Remove the enclosure cap with sightglass by turning counterclockwise 3 Place the wrist strap on your wrist and connect it to the enclosure ground screw 4 Using a flat blade screwdriver loosen the two screws holding the Smart Display Lift the Smart Display loosening the screws further if necessary until it can be separated from the electronics module 5 While holding the Smart Display in front of the transmitter enclosure rotate it in quarter turns to find the viewing position where reading is easiest Four positions 90 degrees apart are possible 6 Observe the positions of the holes in the electronics module inside the transmitter Depending on the mounting position chosen it may be necessary to move the screws so they will line up with these holes August 2000 4 29 INSTALLATION UM345 1 Original Orientation Shown with Enclosure Cap Removed Display Repositioned 180 Electrical Entrance Smart Display gt Meter Mounting a Screw Qty 2 Electrical Entrance Notes Display Repo
172. ler shifts the data into its serial port The Microcontroller uses a specially developed algorithm that cancels the effects of parasitic capacitance and calculates the true ratio C C When the ratio is equal to one 1 the pressure difference between the two capacitors is known to be zero A ratio less than one corresponds to a positive pressure difference and a ratio greater than one to a negative pressure difference The ratio is linearized and temperature corrected to produce an accurate pressure signal which is sent back to the ASIC for D A conversion and to the microprocessor for comparison 8 3 3 D A Conversion and Current Signal Transmission Outputs 1 and 2 The pressure signal received by the ASIC is applied to a 16 bit D A Converter and Multiplexer The Multiplexer sends serial clock and display information to the optional Smart Display board where it is decoded and displayed on the Smart Display as pressure in engineering units The D A Converter translates the digitized pressure signal into a pulse width modulated signal with a pulse width directly proportional to the magnitude of the process pressure The pulses are filtered and applied to an operational amplifier The amplifier s output drives a V I converter whose output is a Darlington transistor This pass transistor outputs a standard 4 20 mA current signal to the network Output 1 This current is read back into the microcontroller for output verification Output 2 is an i
173. lied U Bolt 1 4 NPT 1 Lockwashers Process Connection OF X and Nuts on End Caps amp 2 32 Mount to Bracket with 58 9 7 16 20 Bolts and Lockwashers 4 places 3 60 91 4 FIGURE 4 9 2 Pipe Mount Bracket Model 345D see note 1 4 20 August 2000 UM345 1 INSTALLATION lt 1646 Transmitter 224 X n Mounting Nites E Hangesand 7 B HL 7 MARII 1 Includes 2 Pipe Mount 316SS Bracket See Figure 4 9 for Model 345A or G U Bolt Pipe with tantalum diaphragms 8 06 Mounting Hole 204 7 0 34 8 6 2 Dimensions in inches millimeters Dia 4 places 3 Diaphragm plane for transmitter in 2 32 N adjacent orientation 58 9 y eee y 1 75 44 4 Req d to Remove Cap E m KK A T m P4 ya Nr x 6 165 Diaphragm Plane AG00225c 0 75 19 1 Supplied U Bolt i See Note 3 Lockwashers N N Nuts 10 77 pH t 273 6 J m Enclosure Rotation pd Set Screw e d E ol x i NC o Y y 2 va 1 2 NPT i Process Connection Y 4 12 2 52 HOE6 lt 64 0 5 29 134 4 FIGURE 4 10 2 Pipe Mount Br
174. lign the keyed connector on the sensor assembly sensor cable with the jack on the back of the new electronics module Press the connector into the jack until it is seated fully Align the tubular extensions on the electronics module cup with the two RFI feed through pins inside the enclosure Press in and gently rock the electronics module until it can be pressed in no farther Install the Smart Display and enclosure cap Power and configure the transmitter Use the optional Smart Display or the HART Communicator Section 5 to ensure that the electronics module is functioning correctly 7 4 2 Sensor Assembly Removal and Replacement The sensor assembly is not field repairable It must be replaced if defective The transmitter must be removed to a workbench to accomplish removal and replacement Removal 1 If the transmitter is controlling a process use the proper procedures to shut down the process Turn off power to the transmitter 2 Close all appropriate impulse piping valves to isolate the process from the sensor assembly 3 Disconnect the impulse piping from the sensor s high and low pressure end caps and separate the pipes from the caps Drain process fluid from the sensor 4 Unscrew the rear enclosure cap protecting the terminal board compartment 5 Tag and disconnect the wires at the terminal board 6 Disconnect the conduit from the transmitter enclosure and pull the wires free of the enclosure Replace the rear enclosure cap
175. limentation lectrique a la source hors de l emplacement dangereux avant d effectuer les op rations suivantes branchment ou d branchement d un circuit de puissance de signalisation ou autre 9 3 6 Special Conditions For Safe Use BASEEFA 1 The enclosure must be earthed by means of the external earth connection 2 The installation of the external connections and plugging of the unused entry must be carried out so as to maintain the IP66 and IP68 degree of protection using devices capable of withstanding a 3 5 Joule impact 3 The external connections must be made using suitable sized cable lugs 9 18 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS LCIE EEx ia l For lightning arrestor terminal block only During installation eventual leakage between the apparatus electronics and the enclosure must be considered The enclosure must either be insulated from the earthed parts or connected via an equipotential line to the supply barrier s earth It is also possible to use a galvanically insulated barrier 2 Temperature Code T6 for ambient temperature below or equal to 50 C T5 for ambient temperature below or equal to 65 C T4 for ambient temperature below or equal to 85 C SAA 1 The following parameters are not to be exceeded for the 345 Critical Pressure Transmitter Ex ia protection Input Parameters Terminals and Maximum Input Voltage Ui 30V Maximum Input Current Ii
176. lly coupled interference Select the appropriate option from the three bulleted items below for the installation at hand e Hazardous location ground the shield s only at the barrier s or as recommended on the appropriate control installation drawing and by the certifying agency e Non hazardous location ground the shield at the network power supply August 2000 4 17 INSTALLATION UM345 1 Ground the cable shield to the power supply ground terminal Do not connect the cable shield at the transmitter Ifa network junction box is used splice the input and output cable shields and isolate them from ground e Non hazardous location ground the shield at the Transmitter Ground the cable shield at the ground screw inside the transmitter s signal terminal compartment Power supply and connections must be floated Ifa network junction box is used splice input and output shields and isolate them from ground 4 4 MECHANICAL INSTALLATION MODELS 345D A AND G This section describes the mechanical installation of a transmitter and the installation of electrical conduit for wiring Transmitter dimensions are given in Figures 9 1 9 2 and 4 13 and Table 4 1 Related mounting information for optional mounting bracket kits is provided in Figures 4 9 4 10 4 11 and 4 12 Table 1 1 cross references model numbers and figure numbers Mount a transmitter in any position orientation The mounting position can cau
177. lues in the units chosen for the measured variable none e MV and PV show values in all three types of units The units displayed during transmitter operation depend on 1 the local units option chosen during configuration of the Operator Display block Possibilities are shown in Table 6 2 If the applied pressure is outside the configured range the display flashes FIGURE 6 2 Operator Display Block Variables LOCAL DISPLAY CODE VARIABLES AVAILABLE ON LOCAL DISPLAY MV MV 6 12 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION 6 4 LOCAL TRANSMITTER CONFIGURATION The Configuration Jumper on the electronics module must be set to the Enable position for the Z FS and D magnetic switches to function To enable or disable the switches see Section 6 1 and Figure 4 14 6 4 1 Set Local Zero The Z switch is used to set the lower range value LRV of the transmitter to equal the applied pressure The procedure below assumes that the transmitter is field mounted to an operating process 1 2 Adjust the process pressure to the zero value Hold the magnetic end of the screwdriver on the Z switch for 5 seconds or more then remove the screwdriver from the target The PB annunciator on the optional Smart Display should remain lit after removing the screwdriver if it does not repeat this step If working without a Smart Display be sure to count seconds accurately or hold the screwdriver for 7 or 8 seco
178. maximum distance subtract actual span setting from range limit given in specification 4 Distance X can be any distance since both high and low pressure lines have equal and opposite forces which cancel the forces created by this distance 5 Entire length of low pressure pipe is kept full of condensate to act as a reference 6 See Appendix D for information on calculating suppressed and elevated zero ranges C Open Vessel Installation X03039S0 FIGURE 4 2 Differential Liquid Measurement Piping 4 6 August 2000 air entrained UM345 1 INSTALLATION For gases Model 345A gt mounting above the line Safety is preferred Shut Off E Valve Lj Gas es a Air Chamber CN 4 with Vent Valve Install at high N DN N 4 point to collect Safety Shut Off Model 345A Valve Steam or E in liquids SU D S Shut Off d Valve 5 Vave v Gas For liquids and 1 steam mounting iuf O below the line Union f E d is preferred N I NN Nis Se J 2 4 Safety Shut Off Suppressed Zero Range Valve Liquid Non Corrosive Dry Gases and Liquids Elev Zero Ran Non ive Dr nd Liqui Model 345A 4 Safety AG00213a Shut Off 3 Sediment Chamber and Drain Valve Used to collect solids in liquid suspension or moisture carried with non condensing gas Union gt Safety Shut Off 2 Valv
179. ment For transmitter calibration using the HART Communicator the Configuration Jumper on the electronics module must be in the enable position and the transmitter password must be entered 7 1 CALIBRATION A transmitter is calibrated at the factory and should not require field calibration except to eliminate any position induced zero shift Sections 7 1 2 and 7 1 3 describe field calibration which is performed using a Model 275 HART Communicator Transmitter calibration should be checked annually and the procedures in this section performed if the transmitter is found to be out of tolerance 7 1 1 Equipment Required Prior to performing calibration obtain the following e Model 275 HART Communicator which has built in calibration programs e Laboratory grade digital multimeter DMM for calibrating the 4 to 20 mA output signal Voltmeter Section Accuracy 0 01 of reading Resolution 1 0 mV Input impedance 10 MQ Ammeter Section Accuracy 0 1 of reading Resolution 1 uA Shunt resistance 15Q or less e 24 Vdc power supply for bench calibration Resistor 2500 1 carbon watt for bench calibration Depending on whether bench or field calibration is to be done make connections as shown in either Figure 7 1 or Figure 7 2 August 2000 7 1 CALIBRATION AND MAINTENANCE UM345 1 Digital 2 Milliammeter 2 AG00210a
180. menu item then press RIGHT ARROW SELECT or press 5 on the keypad to see the transfer function options at right Scroll to the desired transfer function then press ENTER F4 to select this function or ABORT F3 to abandon the procedure and return to the Sensor Input menu To view or change the transfer function cutoff value scroll to highlight the Transfer Fct Cutoff item then press RIGHT ARROW SELECT or press 6 on the keypad Type a new value for the transfer function cutoff then press ENTER F4 or press ESC F3 to return to the Sensor Input menu without making a change To view or change the zero dropout value scroll to highlight the menu item then press RIGHT ARROW SELECT or press 7 on the keypad Type a new value for zero dropout then press ENTER F4 or press ESC F3 to return to the Sensor Input menu without making a change To range the transmitter by applying actual URV and LRV pressures scroll to highlight Active Input then press RIGHT ARROW SELECT or press 8 on the keypad The Active Input menu at right displays The screen shows the actual pressure measurements Rerange by performing the following procedure 1 Apply the LRV pressure to the transmitter 2 Scroll to the Set Lo menu option or press 4 on the keypad Press RIGHT ARROW SELECT to enter the current measured value as the LRV The display recycles and shows the new LRV 3 Apply the URV pressure to the tran
181. meplate Magnetic Y Enclosure Switches Rotation Zero Damping Full Scale 7 120 Electronics Module and Electrical Entrance Loop Terminals Optional Smart Display Enclosure 1 2 14 NPT or and Isolated Tie BM Ground M20 X 1 5 Tapped _ Point Screw Hole 2 Places lt Enclosure Rotation N G C Y K Ae Set Screw Process Connection j 1 4 NPT Vent Drain Plug Process Connection Tapped Hole Block 1 2 NPT Embossed Arrow Tapped Hole Indicates High See Note 1 Pressure Port 7 16 20 Tapped le Hole 8 Places AG00205b Notes 1 Process Connection Blocks can be rotated 180 to give the following 2 i connection centers 2 00 50 1 2 13 54 1 or 2 25 57 2 Vent Drain Plug Dimensions are in inches millimeters Side Vent Options Top Bottom or Both 2 Also shows Models 345A and 345G with tantalum diaphragms FIGURE 1 1 Model 345D Transmitter See Note 2 August 2000 1 3 INTRODUCTION UM345 1 120 Me Nameplate Magnetic Y Enclosure Switches i Rotation Zero Damping Full Scale 120 Electronics Module
182. minimum network power supply voltage requirement is a function of Network Resistance and full scale current 20 mA and is calculated by the following formula Minimum Power Supply Output Voltage 10 volts 0 02 x Network Resistance in ohms Power supply output voltage must be greater than the calculated value The minimum voltage across the input terminals of a transmitter is 10 volts 2 Calculate the maximum power supply output voltage The maximum network power supply voltage is a function of Network Resistance and zero scale current 4 mA and is calculated by the following formula Maximum Power Supply Output Voltage 42 volts 0 004 x Network Resistance in ohms Power supply output voltage must be less than the calculated value The maximum voltage permitted across the input terminals of a transmitter is 42 volts 4 14 August 2000 UM345 1 INSTALLATION 4 3 6 Cable Capacitance and Maximum Length A cable length calculation is necessary when HART communication is to be employed Cable capacitance directly affects maximum network length 4 3 6 1 Cable Capacitance See Section 9 3 3 Two Wire Cable for cable specifications and recommended cable model numbers Cable capacitance is a parameter used in the calculation of the maximum length of cable that can be used to construct the network The lower the cable capacitance the longer the network can be Manufacturers typically list two capacitance values for an instrumentation
183. mode Power cycling is required to clear this mode If the unit is defective it will power up in the FailSafe mode Return the unit to the factory 3 Confirm that the fault still exists Press the Quick Access Key again to return to the Online menu Activate the selftest function by choosing 2 Calibrate Test then press 1 to perform a self test The transmitter will display a warning message then perform the test e If the fault was temporary possibly as a result of excessive electrical noise or a power line spike the Communicator will display Transmitter PASSED transmitter selftest If the transmitter passes the selftest it automatically exits the failsafe mode and resumes normal operation No further action is required 7 12 August 2000 UM345 1 CALIBRATION AND MAINTENANCE e If the fault remains the Communicator displays the message Transmitter FAILED transmitter selftest Repeat the test for additional confirmation If the transmitter fails again there are four possible courses of action 1 If possible reconfigure recalibrate the transmitter and run the self test again 2 Replace the electronics module and retest the transmitter 3 Replace the sensor assembly and retest the transmitter 4 Return the transmitter to the factory for repair Refer to Section 1 5 Product Support If a Smart Display is installed in the transmitter FAIL will be displayed when an error is detected 7 3 3 1 Ad
184. mping Adjusting the damping changes the value of the digital filter s time constant The D Z and FS switches are used to select one of 10 damping values The HART Communicator can be used to confirm the damping settings 1 Hold the magnetic end of the screwdriver on the D switch for 5 seconds or more then release the pushbutton The PB annunciator on the Smart Display should remain lit after removing the screwdriver if it does not repeat this step If working without a Smart Display be sure to count seconds properly or hold the screwdriver for 7 or 8 seconds to be sure pushbutton mode is activated NOTE Pushbutton mode times out after 1 minute of inactivity If the PB annunciator goes out repeat step 1 before proceeding 6 14 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION Pushbutton mode can be deactivated by 1 momentarily holding the magnetic screwdriver on the D switch or 2 waiting 1 minute for the automatic time out to occur 2 Set the damping value to 0 seconds by momentarily touching the Z switch with the magnetic end of the screwdriver at least 10 times This establishes a known starting point 0 seconds When a Smart Display is present it alternately displays 0 00 and SEC at this point 3 Change to a new damping value by momentarily touching the FS switch N times to step to the value nearest the desired damping value DV in seconds as shown below If the desired damp
185. n a manner that does not compromise safety August 2000 G 9 SAFETY INSTRUMENTED SYSTEM UM345 1 G 3 2 SIS Application Scope Requirements The process engineer defines the exact boundaries of the process equipment under control EUC and provides a description sufficient for the necessary understanding of the process and the EUC G 4 PROCESS DESIGN AND HAZARD ANALYSIS After the process design has been completed potential hazards must be identified and documented The procedures used for hazard analysis are beyond the scope of this document Refer to section Related Literature for a list of reference documentation pertaining to this topic G 5 SAFETY INSTRUMENTED SYSTEM DESIGN Every safety instrumented function safety protection loop has to be classified with regard to safety integrity Classification can be determined by applying corporate standards industry standards or international standards If multiple safety instrumented functions are within one safety instrumented system SIS the SIS should meet the highest loop safety class G 5 1 Single Analog Sensors Smart Analog sensors offer several advantages in safety protection applications Sensor failure is much easier to detect however the use of a single sensor for each process measurement does require careful risk analysis The Critical Transmitter can be used in AK4 systems when the appropriate manufacturer restrictions are followed Figure G 1 shows the QUADLOG
186. n of dust dirt or water condensate should be present inside the enclosure If condensate is present install a conduit drain see Figure 4 16 Check that all wire connections are tight Enclosure threads must be coated with a wet paste type anti seize compound such as Never Seez by Emhart Bostik Inspect the enclosure O ring for damage Replace a damaged O ring 7 2 5 Transmitter Calibration An annual calibration check should be performed to ensure that the transmitter is within specifications Refer to Section 7 1 for details August 2000 7 9 CALIBRATION AND MAINTENANCE UM345 1 7 2 6 Impulse Piping To ensure accuracy and continued satisfactory performance impulse piping must be kept clean and inspected for damage Sediment or other foreign particles must not clog or collect in piping or the pressure chamber of the process manifold s process connection blocks A build up of residue can cause faulty measurement 1 Inspect impulse piping for loose bent or cracked piping Replace damaged piping 2 Atregular intervals blow down the piping without passing line fluids containing suspended solids through the process manifold s process connection blocks The time interval between blowdowns is determined by the user s previous experience with such systems or determined by evaluating system performance only after the transmitter has been in operation for a period of time 7 3 TROUBLESHOOTING This Section provides guid
187. nd G Install a two valve manifold for similar purposes to those listed above Model 345F Consider using flushing rings to flush and clean the process connection without removing the flange Prepare installation site drawings showing the following Location of the Master Device e g HART Communicator or controller Location and identification of each transmitter Routing plan of signal cable s Location of any signal cable junctions for connecting the HART Communicator 4 3 2 Electrical e Confirm the transmitter s address analog operating mode and type of Network needed refer to Section 4 3 4 e Determine minimum power supply requirements Refer to Section 4 3 5 e Select twinaxial cable type and determine maximum cable length Refer to Section 4 3 6 e Determine the need for network junctions Refer to Section 4 3 7 e ntrinsically Safe installations will need barriers Refer to Section 4 3 8 e Consider the effect of connecting additional equipment e g recorder loop powered display to the network Refer to Section 4 3 9 e Read Section 4 3 10 for shielding and grounding recommendations August 2000 4 3 INSTALLATION UM345 1 4 3 3 Impulse Piping for Models 345D A and G Impulse piping is the piping to be connected to the transmitter s process connection s For suggested flow and level measurement piping arrangements refer to e Model 345D Figures 4 1 and 4 2 e Model 345A or G Figu
188. ndependent 3 7 mA current source Should an error be detected in the signal processing or power supply circuits Output 2 replaces Output 1 as the transmitter output signal source 8 4 August 2000 UM345 1 CIRCUIT DESCRIPTION Loop Terminal gt 4 20 mA and Bidirectional HART AG00242a Board o gt Communication to Control System Electronics Module HART received communications from loop T HART transmission to loo Surge and Noise Filter Comm Communication FSK Frequency Shift Keying Output 2 re 4 20 mA T B 0m XA Y Loop Supply Power Supply Voltage Current a a RESET e es for 7 Limiting gt Power Supply Y Low Voltage Monitor N sic DC Microprocessor ping Memory Correction Data M Sensor Data o m Watchd Microcontroller 3 aed Rxp Sensor Ry HART Comm HART Comm gt Linearization U pius gt Bandpass Filter FSK e Rerange orages and Zero Cross Bell 202 Damping t Detector Modem L D Configuration Communication e e Eu F pP Capacitive ew Serial D A and Current Output Pracess t nhance
189. nds to be sure pushbutton mode is activated NOTE Pushbutton mode times out after 1 minute of inactivity If the PB annunciator goes out repeat step 2 before proceeding Pushbutton mode can be deactivated by 1 momentarily holding the magnetic screwdriver on the D switch or 2 waiting 1 minute for the automatic time out to occur Set the zero value by momentarily pressing the magnetic end of the screwdriver on the Z switch The PB annunciator on the Smart Display extinguishes indicating a return to normal mode The currently applied pressure has now been stored as the LRV 0 range value NOTE When a new 0 value is set the transmitter s 100 value is automatically shifted to maintain the original span except as follows e Ifthe process is out of range of the transmitter then no new zero value is stored e Ifthe new zero value will shift the fullscale value past the sensor limit the new fullscale value will be automatically set to the appropriate sensor limit If this will produce a span that is too small neither zero nor fullscale values will be stored 4 The zero set is complete To set a new fullscale go to the next section August 2000 6 13 ON LINE CONFIGURATION AND OPERATION UM345 1 6 4 2 Set Local Fullscale The FS switch is used to set the upper range value URV of the transmitter to equal the applied pressure The procedure below assumes that the transmitter is field mounted to an operat
190. ngineer the Programmer the Installer and the Commissioner Course 20018 32 Building Safe Reliable Control Systems is recommended for the Control Engineer the Installer and the Commissioner e Safety engineering appropriate to the technologies e Knowledge of the legal and regulatory environment Refresher training is recommended and may be required of all involved personnel to ensure their capability G 2 5 Safety Management To achieve a successful installation of a Safety Instrumented System the installer or owner of the safety system should prepare and follow a safety plan The safety plan should outline the necessary activities to ensure safe selection programming installation commissioning operation and maintenance of the safety system The structure of the safety plan should follow the life cycle phases of a safety system installation G 2 6 SIS Documentation Requirements Documentation shall be produced during the safety life cycle to satisfy the needs of corporate and applicable standards This documentation could include e Safety Plan e A Hazard Review e Safety Requirements Specification e A Safety Instrumented System Design e A Pre Start up Acceptance Test e Operation and Maintenance Procedures The safety plan is intended for listing the plan of all safety life cycle activities The responsibility for each task should be assigned to the appropriate individual The task list and assignments should be doc
191. nline 1 gt Loop Override 2 Calibrate Test 3 Configure Xmtr 4 Setup Done HELP SAVE The bottom line of each menu is reserved for dynamic labels for the software defined function keys F1 F4 which are found directly below the display More information on software defined function keys is given in the next section 2 3 2 Software Defined Function Keys The four software defined function keys softkeys located below the LCD and marked F1 through F4 are used to perform software functions as indicated by the dynamic labels Pressing the function key immediately beneath a label activates the displayed function The label appearing above a function key indicates the function of that key for the current menu For example in menus providing access to on line help the HELP label appears above the F1 key In menus providing access to the Online menu the HOME label appears above the F3 key Table 2 1 lists these labels and describes what happens when each function key is pressed 2 4 August 2000 MODEL 275 UNIVERSAL HART COMMUNICATOR UM345 1 TABLE 2 1 Function Keys with Their Labels and Actions Performed ON OFF activate or deactivate a bit enumerated binary variable DEL delete current character or Quick Access Key menu item SEND send configuration data to device access on line help terminate current task RETRY ESC leave a value try to reestablish unchanged communication QUIT terminate sess
192. nnect it to the enclosure ground screw 7 Retrieve the electronics module and connect the sensor cable P1 connector to it 8 Align the electronics module carefully on the RFI feed thrus and press it in place 9 If applicable install the previously removed Smart Display see Section 4 6 1 10 Orient the enclosure and tighten the previously loosened setscrew on the enclosure neck 11 Replace the enclosure cap and tighten until O ring seats 12 If desired perform mounting shift zero shift calibration see Section 7 1 before field installation of the transmitter 13 Reinstall transmitter at field site by performing in reverse Removal steps 1 to 7 If not already done perform a zero shift calibration see Section 7 1 Refer to Section 4 for installation connections 7 16 August 2000 UM345 1 CALIBRATION AND MAINTENANCE 14 Turn on system power and open valves to restore transmitter to service Check all connections for leaks CAUTION Do not exceed the Maximum Overrange ratings when placing the transmitter into service Properly operate all shut off and equalizing valves Ratings are listed in Section 9 15 Check transmitter configuration as described in Section 3 4 7 4 3 Terminal Board Assembly Removal and Replacement This procedure concerns replacing the terminal board assembly Optionally a terminal board assembly may contain a transient suppressor Be sure to install the correct type of terminal board assembly
193. nsmitter accessories can be found in PI34 3 XTC Transmitter Accessory Guide TABLE 9 7 Model 345 Accessories DESCRIPTION MODEL 345 PART NUMBER Three Valve Manifold Steel Three Valve Manifold 316 SS Transient Suppressor General Purpose Power Supply 24 Vdc 2A Field Mounted Power Supply 28 Vdc 125 mA 2 Pipe Mount Bracket CS 2 Pipe Mount Bracket SS Universal Bracket Pipe and Flat Surface Mount 16275 252 16275 251 14999 287 16055 299 16275 121 2 Pipe Mount Bracket CS 2 Pipe Mount Bracket SS Universal Bracket Pipe and Flat Surface Mount Universal HART Communicator o e e e o o o 16275 13 e O jo e o ole o Je o je je Refer to GCMC 1 Measurement amp Control Product Catalog for additional details For use with transmitter model in table column head O not for use 9 3 SPECIFICATIONS The following specifications are for all transmitter models except as noted 9 3 1 Mechanical PARAMETER MODEL 345D MODEL 345A G MODEL 345F Transmitter Dimensions Figure 9 1 Figure 9 2 Figure 4 13 Table 4 2 2 Pipe Mount Bracket Figure 4 9 Figure 4 10 Ree el Universal Bracket Figure 4 11 Figures 4 12 C 2 Pipe Mount 316 SS Bracket Figure49 Figure4 10 2 Pipe Mount 2lbs 0 9kg9 21s 09kp Universal Bracket 25b
194. nsor Compare between ASIC and Microprocessor Error Between 0 7 and 6 8 of sensor reading depending upon sensor range Turndown can cause the range of this reading to be small First Fault Detection TO is 1 04 seconds maximum Proof Testing Proof testing is required at least once every two years See section G8 2 Detailed fault checking see Table G 1 G 4 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM TABLE G 1 Detailed Fault Checking FAULT DETECTED DETECTION TIME ACTION LATCHED RESPONSE TIME Internal Errors Critical ROM error 11 scans Note 1 Prim I Sec 720 ms 1 04s I uP EEPROM paom ADC errors Yes Floating point error Bad operating code Illegal state transition Constants CRC Major cycle interrupted Phase task error Copy of Capsule data in RAM Clock failure Output read back of prim FS error DAC errors Illegal opcode interrupt unused interrupt error Output read back error Sensor compare error Internal voltages monitoring RAM error RASIC error Sensor cable shorts opens Entry exit error All ROM error CRC Capsule EEPROM error stored in RAM after power up Capsule Revision error System Errors Low compliance voltage Replace w bad wrong Capsule Improper wiring high common mode voltage injected Notes 1 If ROM error affects setting Prim I of 3 7 mA device will switch to Sec I Source which will increase response time from 720 ms to 1 0
195. o Adjust In some processes the zero reference can change for example due to uneven changes of product density in the impulse piping On line zero adjustment changes the zero reference by a percentage of span while process pressure is applied to the transmitter The on line zero adjust also is very useful for zeroing absolute transmitters when a good vacuum pump is not available 1 Establish communication between the Communicator and transmitter Refer to Section 3 2 as necessary From the Online menu press 2 to display the Calibrate Test menu Press 2 to display the Calibrate menu MPCO 345A PT100 Enter adjustment Press 3 to begin the On Line Zero process The Communicator displays the message Enter adjustment amount at right amount 0 00 Enter the desired zero adjustment as a percent of span then 1 0 3 press ENTER F4 to confirm the entry The Communicator displays the message Is PV sufficiently adjusted Press 1 for YES to complete on line zero adjustment or press 2 for NO HELP DEL ABORT ENTER Pressing NO returns the display to that shown in step 3 Enter a new value for the zero adjust and repeat step 5 August 2000 7 5 CALIBRATION AND MAINTENANCE UM345 1 7 1 4 Calibrate Digital to Analog Converter DAC Calibration of the DAC is not normally required and should be performed only after all other options have been exhausted Bench calibration i
196. o the holes in the electronics module Without tightening the screws press the Smart Display gently until it engages connector J1 on the electronics module and can be pushed no further 8 Use a flat blade screwdriver to tighten the screws fully 9 Replace the enclosure cap by turning clockwise Tighten cap to compress the O ring Turn on power to the transmitter Remove a Smart Display 1 Turn off power to the transmitter 2 Remove the glass faced enclosure cap by turning counterclockwise 3 Place the wrist strap on your wrist and connect it to the enclosure ground screw 4 Using a flat blade screwdriver loosen the two screws holding the Smart Display Lift the Smart Display loosening the screws further if necessary until it can be separated from the electronics module 5 Use the screws to secure the electronics module 6 Place the Smart Display in an electrostatic protective container 7 Replace the enclosure cap by turning clockwise Tighten cap to compress the O ring Turn on power to transmitter 4 6 2 Electrical Conduit and Cable Installation All electrical conduit and all signal wires must be supplied by the user Access to electrical terminals is described in Section 4 6 2 3 For conduit and cable routing refer to user s installation drawings Installation of conduit and cabling should follow the guidelines given below 4 6 2 1 Conduit e Transmitter conduit inlets accept male conduit fittings Refer to the t
197. olling address set to zero 0 e The optional Smart Display can be used for local indication of transmitter output e A HART Communicator is used for remote configuration diagnostics and reporting the current process variable August 2000 UM345 1 INSTALLATION Model 345 250 Network Terminals See Note 2 Junction See Note 6 See Note 5 Controller A A 12 nb pc Recorder o 2 A Indicator or IP other 1 5 Vdc n JD e Device s a se See Note 1 2 System Power 3 2 7 Supply 2 See Note 3 f zi T 4 550 Network for Non Hazardous Locations pay lt gt Non Hazardous Hazardous Location Location 250 I S See Note 2 I See Note 6 Controller 2 A A AK Recorder _ Indicator or lt other 1 5 Vdc gt Device RP C A A See Note 1 aie I O 4 2 TIE System Power lt See Note 4 Supply O 345 Terminals See Note 3 See Note 5 Network for Hazardous Locations Notes 1 The System Power supply is shown separate from the host input device In practice it may be part of the host input device The host input device can be either a HART or non HART signaling device a Primary Master or Secondary Master 2 Network resistance equals the sum of the barrier resistance
198. otherwise check the transmitter model number against the model designation list in Section 9 for these limits Damping The Damping parameter is used to configure the time constant for the transmitter This can be used to quiet noisy process signals however when configuring this parameter remember that it takes 4 5 time constants to respond to 99 9 of a step input change The default damping value is one second Transfer Function The transmitter has several built in transfer functions for extracting the flow signal from various common primary flow elements The most common transfer function is the square root x used with orifice plates and with wedge and V notched weir flow elements If the transmitter is not being used with one of these flow elements simply select a linear transfer function Transfer Function Cutoff The square root transfer function has high gain near 0 input To prevent small input changes noise from being amplified excessively a linear segment is used on the low end of the curve The point at which this linear segment ends and the actual transfer function begins is the Transfer Function Cutoff This is user configurable between 0 1 and 30 of input Active Input The last feature of the Sensor Input Block is not a parameter but a tool to configure the MV Lo and Hi parameters If desired the measured variable range may be configured against a precision pressure source in place of simply typing the range in
199. parallel with the instrument or load resistor The connections are nonpolar For intrinsically safe FM and CSA wiring connections see the manual supplied with the Communicator WARNING An explosion can result in death or serious injury Before making connections to the serial port or NiCad recharger jack in an explosive atmosphere check the Communicator s nameplate and manual for approvals August 2000 2 1 MODEL 275 HART COMMUNICATOR UM345 1 Connection Panel Loop Connections p Non Polar Ue Ne 7e TW ae Serial Port C 9 J NiCad Recharger Jack Optional X03032S0 f dee LCD L J Function Keys ri fre F4 11 Software Defined e HART Communicator SS mee Action Keys i I p Communicator Nameplate US gt inet A a On Back See nameplate for certifications and approvals aE Quick Access Key gt gt gt bef t ng i Se Previous Menu Back left arrow efore connecting in a Down Arrow hazardous location ES Select Forward right arrow C1 JL 2 3 Communicator Model Number Alphanumeric Keys and Serial Number On Back 4 5 p p y stu vwx 7 A 8j Note Keypad number 8 0 A SES NEN J 2 Shift Keys Use to se
200. pecifications in Section 9 3 4 2 ENVIRONMENTAL CONSIDERATIONS Many industrial processes create severe environmental conditions The conditions at each transmitter location must be within the specifications stated in Section 9 3 Although the transmitter is designed to perform in harsh conditions it is prudent to choose a location that minimizes the effects of heat vibration shock and electrical interference N CAUTION Exceeding the specified operating temperature limits can adversely affect performance and may damage the instrument 4 3 INSTALLATION CONSIDERATIONS Sections 4 3 1 and 4 3 2 outline basic considerations for achieving a successful installation The remaining sections then provide detailed pre installation information 4 3 1 Mechanical e Pressure transmitters are suitable for but not limited to Flow Measurement Gauge Pressure Measurement Level Measurement Draft Pressure Measurement Absolute Pressure Measurement High Differential Pressure Measurement Hydrostatic Tank Gauging Measurement e Determine if an optional Smart Display for local monitoring of transmitter output is required Refer to Section 9 1 for model designation or 9 2 for accessory part numbers e Determine physical mounting of the transmitter Consider Optional brackets for pipe mounting or surface mounting Pipe tank wall thickness diameter rigidity and freedom from vibration Clearance for inst
201. phragm see Figure 9 1 FIGURE 9 2 Dimensions Models 345A and 345G See Note 3 August 2000 9 11 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 9 3 2 Performance Specifications and Default Password Reference conditions Zero based spans Ambient temperature 23 C D A trim values equal to span end points Silicone fill Hastelloy C diaphragms 1 second damping Accuracy Accuracy includes the effects of linearity hysteresis and repeatability Analog Output Range A 0 2 of calibrated span for spans from 1 1 to 2 1 of URL 0 174 0 013 URL span of calibrated span for spans from 2 1 to 25 1 of URL Range B 0 1 of calibrated span for spans from 1 1 to 2 5 1 of URL 0 043 0 0228 URL span of calibrated span for spans from 2 5 1 to 20 1 of URL Ranges D F and G 0 1 of calibrated span for spans from 1 1 to 10 1 of URL 0 028 0 0072 URL span of calibrated span for spans from 10 1 to 45 1 of URL Digital Output Ranges D F and G 0 075 of reading or 0 015 of URL whichever is greater Sterling Units 0 035 of reading or 0 006 of URL whichever is greater Range and Sensor Limits RANGE MIN SPAN LRL URL 345D 345A 345G 2 5 5 1 25 0 75 15 15 0 185 kPa C3 7 3 7 kPa pce e 10 450 450 0 450 407 450 450 450 2 5 kPa 112 5 112 5 kPa 0 112 5 kPa abs 101 112 5 kPa 112 5 112 5 kPa 300 psi NA 0 5500 psig NA 2068 kPa 0 3792
202. placed See the wiring diagrams in Section 4 Installation for correct voltage polarity Refer to Section 9 for other information concerning an EEx d ia 1a certified Model 345 Network Resistance Ohms X03047S1b 16 5 22 24 26 Power Supply Vdc NOTE Shaded area shows the operating region for both analog and HART modes E 2 August 2000 UM345 1 APPENDIX F STATIC PRESSURE CORRECTION F 0 APPENDIX F STATIC PRESSURE CORRECTION The correction method used to achieve the static pressure specification in Section 9 is to reduce the calibrated span by 0 9 for each 1000 psi of static pressure An example follows Assumptions Required Calibration 0 100 in Static line Pressure 2000 psi Correction Required Correction 0 9 1000 psi x 2000 psi 1 8 Actual Calibration 0 98 2 in H O August 2000 F 1 APPENDIX F STATIC PRESSURE CORRECTION UM345 1 F 2 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM G 0 SAFETY INSTRUMENTED SYSTEM This section provides information that is to be used to configure verify and maintain a safely operating Safety Instrumented System SIS that includes an XTC Model 345 Critical Transmitter The information in this section has been reviewed by TUV as part of the type certification process This is the definitive document for resolving safety related issues in system
203. priate action can be taken The Critical Analog Module CAM in the QUADLOG system also manufactured by Siemens Moore incorporates this functionality through the configuration of a single Softlist parameter However it is possible to use the 345 with another vendor s PLC provided that the system is configured properly The purpose of this appendix is to outline the configuration required to take advantage of the diagnostic capabilities of the 345 in a generic PLC system August 2000 H 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM UM345 1 H 1 INTERPRETING THE INPUT SIGNAL Since the normal output of the transmitter is a 4 20 mA signal neglecting out of range and failsafe conditions the signal can be brought into a generic system through a standard analog input channel The best option is to scale the input value to the NE 43 range described in Figure H 1 Since recognizing out of range values is crucial for determining the status of the 345 in SIL2 and SIL3 applications the signal must be tested to determine the status of the transmitter As a result the PLC must be configured to determine the state of the transmitter The configuration compares the input against the reference values shown in Table H 1 and indicates the status of the signal Open short and failure signals both high and low should be annunciated by the system Once the input signal has been tested it can be used throughout the rest of the system The 345
204. puts are good but the difference between the values is greater than delta a time delay is applied and the output is set to its failsafe value as follows 1 Ifboth input values are bad the output value will be held at its current state until the time delay has elapsed If both signals are still bad when the time delay has elapsed the failsafe value will be output 2 Ifboth input values are good but the difference between them is greater than delta the function block will continue to output one of the transmitter input values whichever is closer to the previous OUT value until the time delay has elapsed If the signals have not converged by the time delay the failsafe value will be output AIN_1 AIN XMTR_1 CRITICAL_XMTER TRANSMITTER INPUT 1 XMTR_IN SHORT VOTER 1 FAILHI VOTE 10020 OVRNG INI OUT OKAY IN2 FSAFE L UNDRNG OVERI DELT ER FAILLO oki ERR 1 OPEN UNDERI ERR2 OVER2 AIN 2 OK2 UNDER2 AIN FAILSAFE VALUE H FAILSAFE DELTA VALUE H DELTA DELAY TIME VALUE H DLAYTM XMTR_2 CRITICAL_XMTER TRANSMITTER INPUT 2 XMTR_IN SHORT FAILHI OVRNG OKAY UNDRNG FAILLO OPEN FIGURE H 4 1002D Voting of 345 Inputs H 6 August 2000 UM345 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTE
205. r configuration can be limited to increase system security A Configuration Jumper is provided to enable or disable both local and remote configuration Remote configuration has additional security Each transmitter can be assigned an eight character password This password must then be entered before configuration changes are allowed Local configuration when enabled by setting the Configuration Jumper is accomplished with the magnetic screwdriver supplied with the transmitter Zero full scale and damping can be set at the August 2000 1 7 INTRODUCTION UM345 1 locations shown in Figure 1 1 Remote configuration when enabled by setting the Configuration Jumper and entering the password is performed using a Model 275 HART Communicator that has the Siemens Moore Model 345 Device Description firmware see Table 2 2 A Model 275 without this Device Description can still access the transmitter but only as a generic transmitter which may limit configuration and monitoring options Device Descriptions are available from Siemens Moore EU Enclosure Cap 2 Removed AG00209c FIGURE 1 6 Optional Smart Display HART Communicator Connections _ Loop and Screw Terminals _ on Terminal Board or Transient 7 Suppression Terminal Board Shown with Enclosure Cap Removed X03030S2 vj Ae 27 DX p 7 TIE Terminal Use as a floating tie
206. r from the Manufacturer menu then selecting a device from the Model menu just as is done when on line After selecting a software revision the Online menu for the simulated device is displayed Functions are the same as those available when on line HART Communicator System Information a 1 Motherboard 2 Module 3 Data Pack HELP DEL ESC ENTER HART Communicator Storage location 1 gt Module 2 Data Pack 3 PC HELP DEL ESC ENTER 2 20 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR 2 6 USING THE QUICK ACCESS KEY Pressing the Quick Access Key Hot Key while on line displays the Quick Access Key menu a user definable menu that provides immediate access to up to 20 frequently performed tasks The Quick Access Key menu is accessible when the Communicator is powered and on line or when the Communicator is off by simply pressing the Quick Access Key For the Quick Access Key to be active the Communicator must be connected properly to a HART compatible device Simply pressing the Quick Access Key will allow only data reads unless the password for that transmitter has been entered and the Configuration Jumper is in the enable position see Figure 4 14 From the factory the Quick Access Key menu includes for Model 345 only e XMTR Variables View such variables as percent range process value and set point e Status Determine model number and other transmitter identification information
207. r static pressure APPENDIX G SAFETY INSTRUMENTED SYSTEMS and APPENDIX H USING THE TRANSMITTER IN A GENERIC PLC SYSTEM includes expansive information on SIS systems for critical process control WARRANTY contains the product warranty statements and information concerning servicing of the product during the warranty period PARTS LIST has exploded views of the four basic pressure transmitter models and a list of on hand spare parts and field replaceable parts 1 2 PRODUCT DESCRIPTION Model 345 transmitters are part of the Siemens Moore XTC line of smart pressure and temperature field devices They provide safe reliable accurate stable and cost effective measurement of differential absolute and gauge pressures Pressure sensor style influences a Model 345 s physical dimensions and mechanical installation Note that a sensor style can involve one or more pressure measurement methods 1 differential absolute and gauge as shown in Table 1 1 TABLE 1 1 Model Numbers vs Figure References MODELS PRESSURE SENSOR REFER TO Model 345D all Differential Figures 1 1 4 10 4 12 and 9 1 Model 345A Absolute with tantalum diaphragm Model 345G Gauge with tantalum diaphragm Model 345A Absolute Figures 1 2 4 11 4 13 and 9 2 Model 345G Gauge Model 345F Differential flanged level Figures 1 3 and 4 13 Differential flanged level with extension 1 2 August 2000 UM345 1 INTRODUCTION Na
208. ransmitter s nameplate and Section 9 1 to determine whether conduit threads are 12 14 NPT or M20 x 1 5 Seal 5 NPT fittings with Teflon tape seal M20 fittings with a eft setting sealing compound rated for at least 105 C 221 F e When routing conduit avoid areas that might subject the conduit to chemical or physical abuse or areas with high electromagnetic interference radio frequency interference EMI RFI conditions e Install conduit for field wiring e Ifa high humidity environment can exist and the transmitter is located at a low point in the conduit run install drain seals at the transmitter s conduit inlets to prevent condensation from entering the transmitter See Figure 4 15 e Remove all sharp edges or burrs from conduit that may damage wires e 18 inches of flex conduit is recommended at each transmitter August 2000 4 31 INSTALLATION UM345 1 Conduit for xal Conduit Seal Crouse Hinds Field Wiring Type EYS or Equivalent DC Power X Plug Unused PN N Plug Unused Entrance BM Entrance A Drain Seal Conduit for Field Wiring DC Power ATEN als 6 6 S 3 ip v j gt it Drai Explosion Proof X03056S2 FIGURE 4 15 Conduit Drain and Explosion Proof Installations 4 6 2 2 Cables e Mark or tag each cable conductor as either LOOP or LOOP to ensure
209. rcuit Sets output to Failsafe Un Y x Output 2 ee Verify Out 9 lt Transmitter Output FIGURE 8 1 Critical Transmitter Block Diagram August 2000 8 1 CIRCUIT DESCRIPTION UM345 1 The transmitter s unique capabilities allow a single Critical Transmitter to be installed where two conventional transmitters are usually installed in a critical application or two Critical Transmitters in place of three conventional units which reduces installation and maintenance costs 8 1 SENSOR ASSEMBLY The sensor assembly consists of the process diaphragms and process end caps an electrically erasable programmable read only memory EEPROM chip a custom application specific integrated circuit ASIC and a dual element capacitive pressure sensor During the characterization process at the factory all sensor assemblies are subjected to a controlled series of temperature and pressure cycles Data recorded from the series is used to generate characterization factors which are stored in the sensor assembly s EEPROM The appropriate sensor range limits Range 1 2 3 or 4 also are stored in the EEPROM Because the characterization data is stored in EEPROM no calibration is required when replacing a sensor assembly The capacitive sensor element contains two silicon based capacitors a sense capacitor C whose value changes in response to an applied process pressure and a reference capacitor C whose value is independent of
210. re set of equipment for each safety instrumented function including process connections sensors QUADLOG or other PES and actuator valves TABLE G 2 Safety Integrity Levels SAFETY RISK INTEGRITY PFDavg AV n ITE REDUCTION LEVEL FACTOR 4 0 0001 20 9999 210 000 3 0 001 0 0001 0 999 0 9999 1 000 10 000 2 0 01 0 001 0 99 0 999 100 1 000 1 0 1 0 01 0 9 0 99 10 100 AK 4 is similar to SIL2 and AK 6 is similar to SIL3 See Figures G 1 and G 2 respectively later in this appendix Publication ADQL 6 includes reliability calculations for single and dual transmitter configurations G 2 4 The Project Team Typically the project team responsible for the design installation and start up of a Safety Instrumented System consists of the following personnel e Control Engineer e Programmer e Installer e Commissioner August 2000 G 7 SAFETY INSTRUMENTED SYSTEM UM345 1 Personnel assigned to the tasks in the safety life cycle shall have the following competencies e Engineering experience appropriate to the process application area e Engineering experience and knowledge appropriate to the SIS equipment and technology This knowledge should include failure modes of sensors and actuators QUADLOG error codes and QUADLOG maintenance procedures Siemens Moore training course 20018 39 QUADLOG Configuration and Operation is recommended for the Control E
211. rect Connection to Model 348 Field Mounted Controller or Spare Capsule 345G Process Diaphragm H Hastelloy C 276 S 316L SS B Hastelloy C 276 with 1 Remote Seal specify AA for Body Parts Body Parts Wetted Process Connection AA 31655 NPTVO BA Hastelloy C 276 12 NPT Fill Fluid B Silicone DC200 C Inert D Paratherm Output Indicator 5 4 2 Digit Digital Smart Display Not Required Standard Options X Oxygen Cleaned Y Special Features N Not Required Mounting Bracket 1 2 Pipe Mount Bracket with SS Hardware TMQ 4 2 Universal Bracket 3 2 Pipe Mount 316SS Bracket N Not Required Housing 1 Aluminum 14 NPT 2 Aluminum M20 x 1 5 Not Required Hazardous Area Classification CSA AII CRN Registration FM CSA All CENELEC EExd SAA All and ABS Type Approved CENELEC EExia and BASEEFA Type N Non Approved FM CSA All and ABS Type Approved Zzzcocmuzww B H AA B 5 N 1 3 Sample Model Number 9 4 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Basic Model Number 345F Flanged Differential Level Transmitter Input Range Span Limits Min Max D 10 450 inH5O 2 5 112 5 kPa 12 6 450 psi 87 3100 kPa Output B 4 20 mAdc with HART protocol C 4 20 mAdc with HART protocol and integral Transient Suppressor Body Parts HA Hastelloy S 2 Standard on all ranges Hi Side Dia Wet Lo Side Dia Wet Extens Lgth 345F D TABLE 9 4 Model 345F Model Designation Notes
212. res 4 3 and 4 4 Model 345F Figure 4 5 Note the following when planning and installing piping e Install impulse piping in accordance with ANSI Code B31 1 0 e Make impulse piping length as short as possible to reduce frictional loss and temperature induced pressure variations However when using impulse lines on a high temperature process locate the transmitter far enough away from the heat source to keep it within temperature specifications see Section 9 3 4 A temperature gradient of 28 C 50 F per foot is assumed for uninsulated impulse lines e For lines between the process and transmitter use impulse piping of 3 8 OD or larger to avoid friction effects causes lagging and blockage e Use the least number of fittings and valves possible to minimize leakage problems Teflon tape is the recommended thread sealant for process connections at the transmitter e Valves used in pressure service should be either globe or gate type Valves used in gas service should be of a type that does not permit condensate to build up behind the valve e Install sediment chambers with drain valves to collect solids suspended in process liquids or moisture carried with non condensing gases e Install air chambers with vent valves at high point in piping to vent gas entrained in process liquid e Remote diaphragm seals can be used to keep corrosive liquid or gas from the transmitter pressure inlets and isolation diaphragm see PI34 6 for detail
213. rizes the input pressure signal e Stores configuration data in nonvolatile EEPROM where it is retained when power is interrupted permitting the transmitter to become functional upon power up e Performs local operation and control functions entered by way of zero fullscale and damping magnetic switches or from a HART Communicator e Performs redundant frequency to digital conversion of the pressure signal from the sensor assembly e Perform monitoring of various internal power supply voltages and also verifies the output current e Can determine whether it is in control and to switch to the independent second current source e Constantly checks all memory ROM RAM and EEPROM e Uses two different floating point algorithms for redundancies checks e Constantly performs microcontroller checks e Constantly performs data and state flow control checks e Custom ASIC that provides e Aclock to the Microcontroller e Frequency to digital conversion of the pressure signal from the sensor assembly e Serial digital to analog D A conversion of the sensor assembly s signal to drive the voltage to current V I converter e Multiplexing of display information to the optional Smart Display e Power supplies with current limiting that provides DC operating power to the sensor assembly and electronics module e Power supply voltage monitor that generates a Microcontroller reset signal when the network loop supply voltage is interrupted e Bandpass filt
214. rocontroller outputs a signal Txa to the modem where it is modulated and fed into the feedback circuit of the Converter for transmission Txa over the loop 8 4 TRANSIENT SUPPRESSOR OPTION The integral transient suppressor operates using a spark gap and zener diode to protect both the positive and negative signal terminals from transient spikes Positive or Negative t ANAN o Internal Connection Terminal Board Zener To Electronics Module Terminal NI Diode Gas Filled Spark Gap Transmitter Enclosure X0307181 Connected to Earth Ground The spark gap is capable of conducting large amounts of current but its response time is long compared to the rise time of most transients The faster zener diode begins conducting during the rapidly rising portion of the transient with the current flow through the zener diode limited by the resistor Once the spark gap begins to conduct the current flow through the zener diode is reduced and the large transient current flows from the signal terminal through the spark gap to the transmitter enclosure The spark gap continues to conduct until the current falls below 0 5 amperes a 8 6 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS 9 0 MODEL DESIGNATIONS AND SPECIFICATIONS This section contains the model designation tables a comprehensive accessory list functional and performance specifications and hazardous area classifications for Model 345 Critic
215. rom the Main menu press 4 on the keypad for quick access to the Utility Menu 3 From the Utility menu press 5 on the keypad to access the simulation mode The LCD shows the Manufacturer menu which contains a list of manufacturers whose device descriptions are installed in the Communicator 4 Pressthe DOWN arrow until Moore Products appears Press the RIGHT ARROW SELECT key to reveal the Model menu which lists the Siemens Moore devices currently installed in the Communicator see Table 2 2 5 Toend the review of devices press the LEFT ARROW PREVIOUS MENU key three times 6 Turn off the Communicator or proceed to the next section August 2000 2 9 MODEL 275 HART COMMUNICATOR UM345 1 TABLE 2 2 Siemens Moore Transmitter Device Descriptions FIELD DEVICE DESCRIPTION APPROXIMATE VINTAGE REVISION Dev V1 DD V1 340 Transmitter Controllers 8 90 8 96 Model 4s 340 B pushbutton design 340A Dev V1 DD V1 340 Transmitter pushbutton 8 90 8 94 Model 4s 340 A design 344 Dev V1 DD V1 344 Transmitter Controller 8 90 8 94 Model s 344 Dev V2 DD V1 344 Transmitter Controller 8 90 Present Model s 344 341 Type 5 Dev V1 DD V1 341 Transmitter 8 94 Present Model s 341 340A Type 6 Dev V1 DD V1 340 Transmitter pushbutton 8 94 8 96 Model 4s 340 A and 345 design Dev V1 DD V1 345 Critical Transmitter 3 99 Present Model s 345 Dev V2 DD V1 340 Transmitter magnetic
216. rtification does not include some mechanical faults such as clogged pipes damaged diaphragms process connection faults chemical reactions and damaged O rings See Sections G 2 2 and G 8 2 G 1 1 General System Requirements When applying a Critical Transmitter or other device to a safety critical application the following requirements must be met e The system s response time must be less than the process safety time e system components must be operational before process operation begins e Changes to an on line configuration are permitted only when sufficient safeguards are in place System Response Time The response time of the system must be less than the process safety time The response time must include the sensors logic solver and final elements The control module s scan rate must be set to the appropriate time For example the process safety time is determined to be 3 seconds 3 000 ms The response time of the sensor is 1 04 seconds and the response time of the final element is 300 ms Subtracting the sensor and final element response times from the process safety time yields 1 66 seconds 1660 ms as the desired response time for the control module s As with any scanning PES Programmable Electronic System the process safety time of the application controlled by the system shall be greater than two times the cycle time scan time To ensure a 1660 ms response time the scan time of the control module s must be set to
217. s e Alternatively use sealing fluid to isolate the process from the transmitter Sealing fluid must be of greater density than process fluid and non miscible e For transmitters located above the process slope piping from the transmitter at least 1 inch foot 83 mm M down toward process For transmitters below the process slope piping at least 1 inch foot 83 mm M up to process Protect pressure lines by shielding if necessary from objects or equipment that may bend or kink the line causing fluid flow restriction e Protect the pressure lines from extreme temperature ranges Lines should be protected from freezing by installing a heat trace e A three valve manifold should be used with a Model 345D A two valve manifold can be used with a Model 345A or G transmitter to permit servicing and zero checks 4 4 August 2000 UM345 1 INSTALLATION Pressure j Low Side r Low Pressure Side High Pressure Side High Pressure side Model 345D 3 Valve _ Manifold LJ Model 345D 3 Valve Manifold Horizontal Main Line Flow T E n Aa FI Y FI Transmitter Below Orifice Preferred for Liquids and Steam ransmiiter ve Vrilice Freterr w zi NC N N Low Pressure Low Pressure Side High Pressure Side Model 345D High Pressure n M 9 Valve Side Model 3450 Manifold 3 Valve Manifold Vertical Main L
218. s and the current sense resistor Minimum value 250 Ohms maximum value 1100 Ohms 3 Connect The HART Communicator as shown in Figure 2 2 for hazardous or non hazardous locations The HART Communicator is a non polar device 4 Supply and return barriers shown Interconnect all cable shields and ground only at the barriers 5 For access to Model 345 terminals remove enclosure cap 6 Maximum loop cable length calculated by formula in Section 4 3 AG00215a FIGURE 4 6 Point To Point Network Analog Mode August 2000 UM345 1 INSTALLATION 1 lt Non Hazardous i Location N 250 F X See Note 1 SEE Note 6 20 ZK fi XC N fe EN Model 353 354 lt a Terminals Noi V gt DA DW as e See Note4 217r 0 2 J 57 TIE 6 2 Z veo Nolo Model 345 ES ES Terminals See Note 2 See Nete 5 Notes 1 Network resistance equals the sum of the barrier resistances and the current sense resistor Minimum value 250 Ohms maximum value 1100 Ohms 2 Connect the HART Communicator as shown in Figure 2 2 for hazardous or non hazardous locations The HART Communicator is a non polar device 3 Supply and return barriers shown Interconnect all cable shields and ground only at the barriers 4 Model 353 or Model 354 terminal assignments 20 Analog Input 1 AIN1 21 Analog Input Common AINC 5 Two
219. s described in Section 2 6 1 To access the Quick Access Key functions press the Quick Access Key 1 to power up the Communicator or 2 from any online menu when connected to a transmitter Simply pressing the Quick Access Key will allow only data reads unless the password for that transmitter has been entered and the Configuration Jumper is in the enable position The Quick Access Key options provided are e Variables e Status e Range Xmtr 6 2 3 1 XMTR Variables Parameters observable but not changeable from the XMTR Variables menu are those being supplied live from the connected transmitter as follows MENUITEM PARAMETER DESCRIPTION 1 Range Percent of range 0 100 Measured variable 1 From the XMTR Variables menu press a key from 1 through 7 to observe the desired variable 2 Press EXIT F4 to return to the XMTR Variables menu Press LEFT ARROW PREVIOUS MENU to return to the Quick Access Key menu August 2000 6 9 ON LINE CONFIGURATION AND OPERATION UM345 1 6 2 3 2 Status The Status menu provides data about the connected transmitter as follows MENU ITEM PARAMETER DESCRIPTION 1 Model Number Model number and other identification data MPCO 345A PT100 1 From the Status menu press 1 to display the Model Number menu at right Model Number a 1 gt T PT100 2 Ifno data shows for a particular attribute press the number 2 45D2BH12B5NNFF of
220. s for XTC Model 345 Critical Pressure Transmitters All information needed to bench test install configure calibrate and service a transmitter is included in this user s manual IMPORTANT Save this user s manual for installing configuring operating and servicing a transmitter 1 1 SECTION CONTENTS Ten sections and seven appendices make up this manual A brief description of each section follows Section 1 INTRODUCTION describes each section in this manual and provides a brief description of the Model 345 Critical Pressure Transmitter Section 2 MODEL 275 UNIVERSAL HART COMMUNICATOR describes use of the HART Communicator to test configure and calibrate a transmitter Section 3 COMMISSIONING AND BENCH TESTING provides procedures to perform a bench test of the transmitter to ensure proper operation of all functions Start up configuration is described here If desired go to Section 6 to perform a complete configuration The calibration procedure in Section 7 can be performed following configuration if the mounting position will induce a zero shift Section 4 INSTALLATION furnishes specific information for mechanical and electrical installation Section 5 POST INSTALLATION CHECKOUT describes how to confirm that the transmitter has been installed correctly Section 6 ON LINE CONFIGURATION AND OPERATION describes remote configuration using the Model 275 and operation and local configuration using the magnetic switches
221. s not need to be replaced or tested beyond that described in Proof Testing above G 14 August 2000 UM345 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM 0 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM The Siemens Moore Model 345 XTC Critical Transmitter 345 failure indication to the safety system meets German Standard NAMUR Empfehlung NE 43 This standard sets specific values for current output from a 4 20 mA device as shown in Figure H 1 The regions between 3 6 mA and 3 8 mA on the low end and 20 5 mA and 21 mA on the high end represent message bands that smart devices can use to notify a PLC of a device detected fault 4 20 mA Normal Operating Range 38 Normel Underange 205NommlOwemange 7 MA y Limit Limit FIGURE H 2 Transmitter Signal Outputs The 345 sets its output according to Table H 1 TABLE H 1 Current Output for the 345 CONDITION CURRENT RANGE mA Short Circuit or transducer failed high Output gt 21 0 Over range 20 5 gt Output gt 20 0 Max Scale 20 0 Min Scale 4 0 Under range 4 0 gt Output gt 3 8 Transducer detected failure low 3 8 gt Output gt 3 6 3 7 nominal Open circuit or transducer failed low 3 6 gt Output In order to take advantage of the diagnostic capabilities of the 345 in SIL2 and SIL3 applications the control system must be configured to interpret the output signal from the transmitter so that the appro
222. s or Data Pack Contents menu va displayed press the RIGHT ARROW SELECT key to open Saved Configuration the Saved Configuration menu for a device that was ee highlighted at right eee tovs 3 Send 4 Print 5 Delete HELP Edit displays the Edit menu providing the same functions as described under Edit individually in Section 2 5 1 1 When editing off line only stored data may be edited Moreover data stored as a Partial configuration must be converted to a Standard configuration then saved prior to editing Copy To specifies the storage location for a copy of the configuration Copy To also provides a way to change the configuration name Send sends a saved configuration to a connected device Print not implemented with firmware release 1 6 Delete removes a saved configuration from memory A confirmation message appears Press Yes or No to complete the function Rename provides access to the configuration name editing menu After making name changes enter and save the data to return to the previous storage location menu Compare compares a selected device configuration from a stored location with other device configurations The HART Communicator can compare device types variables marked lists and other configuration parameters Messages appear indicating if the configurations compared are the same or different August 2000 2 15 MODEL 275 HART COMMUNICATOR UM
223. s recommended perform steps 1 through 15 l Disconnect the transmitter from the process by performing the steps in Section 7 6 NOTE Removing a transmitter can interrupt power to other transmitters powered from a common power source Note the effect this can have on process control and operation and if necessary follow the proper procedures to shut down the process When disconnecting the LOOP leads carefully insulate each lead as it is removed to prevent accidental shorts Remove the enclosure cap to access the terminal compartment Connect the HART Communicator and DMM to the loop as shown in either Figure 7 1 or 7 2 Set the DMM to measure 4 20 mA Establish communication between the Communicator and transmitter Refer to Section 3 2 as necessary Be sure the polling address is set to 0 Refer to Section 6 2 1 3 as necessary From the Online menu press 2 to display the Calibrate Test menu Press 2 to display the Calibrate menu Press 2 to begin the Calibrate DAC process The Communicator displays the message WARN Loop should be removed from automatic control If it is permissible to do this do so and press OK F4 If not press ABORT F3 to terminate this procedure If OK was pressed the Communicator displays the reminder message Connect reference meter If necessary press ABORT F3 to terminate the procedure and make the meter connection Return to step 3 and start over
224. s using the Critical Transmitter and requiring TUV class certification Section 10 has definitions of some of the terms used in this section The transmitter can be used in a wide variety of applications The user and those responsible for applying this transmitter must ensure the acceptability of each application whether it may be standard safety or high availability related RELATED LITERATURE The following literature can provide additional information to safely install configure and maintain the transmitter within a QUADLOG system Hardware Documents e QUADLOG Critical Analog Module Installation And Service Instruction SD39CAM 1 Safety Application Documents NOTE Obtain the following documents from the Siemens Moore when using the transmitter in safety applications e Safety Integrity Level Verification Failure Rate Data for the 345 Critical Transmitter ADQL 6 e Using the 345 Critical Transmitter with Generic PLC see Appendix H of this document Reference Standards and Guidelines e Application of Safety Instrumented Systems for the Process Industries document number 584 01 Instrument Society of America ISA 67 Alexander Drive P O Box 12277 Research Triangle Park NC 27709 e Control System Safety Evaluation and Reliability 2 Edition document number ISBN 1 55617 638 8 ISA 1998 e Guidelines for the Safe Automation of Chemical Processes document number ISBN 0 8169 0554 1 American Institute of Chemical Engineers
225. sdikg _ 251sQ kp 2 Pipe Mount 316 SS Bracket 2 Ibs 0 9 kg 21b 09kp 345 A G with tantalum diaphragm 7 lbs 3 2 kg 9 8 August 2000 UM345 1 MODEL DESIGNATIONS AND SPECIFICATIONS Electronics Housing Epoxy Powder Coated Low Copper Cast Aluminum NEMA 4X 6P IP66 IP68 Electrical Conduit Entrance 2 14 NPT quantity 2 M20 x 1 5 optional Process Wetted Parts Various Materials Available NACE MR0175 96 compliant with options as noted in the model number tables See certificate at the end of this section Process Connections Model 345 D 14 NPTF with vent drain quantity 2 V NPTF with process adapters provided Model 345A G V NPTF no vent drain quantity 1 external block and bleed may be purchased separately Model 345F High Pressure Side Per flange size and rating selected Low Pressure Side 14 NPTF with vent drain V2 NPTF with process adapter provided 345A G Transmitters with tantalum diaphragms have process connections that are similar to 345D see the dimension drawings in this section and Section 4 August 2000 9 9 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 Nameplate Y Enclosure Rotation lk 5 46 Electrical Entrance 138 68 1 2 14 M20 X 1 5 Tapped 1 75 44 4 gt e Hole 2 Places Req d to Remove Terminal Board See Note 3 30 25 091
226. se a zero shift however any zero shift is simply calibrated out with the transmitter installed in its final mounting position Refer to Section 7 Calibration and Maintenance for details Be sure to allow sufficient clearance for e Installation of impulse piping e Installation of conduit e Removal of the enclosure end cap e Viewing of the optional Smart Display enclosure can be rotated 4 4 1 Pipe Mounting Models 345D A and G A transmitter can be mounted to a vertical or horizontal 2 inch pipe using an optional mounting bracket kit kit part numbers are given in Section 9 2 1 Refer to the appropriate figure and determine orientation of bracket and transmitter on selected pipe Model 345D or Model 345A or G with tantalum diaphragm 2 Pipe Mount Bracket and 316SS loce Figure 4 9 Model 345A or 2 Pipe Mount Bracket and 31655 Figure 4 10 Model 345D or Model 345A or with tantalum diaphragm Universal Bracket Figure 4 11 Model 345 A or G Universal Bracket tert iP ete Li netta Figure 4 12 4 18 August 2000 UM345 1 INSTALLATION 2 Fasten transmitter to mounting bracket Perform one of the following depending upon transmitter model number and bracket at hand Model 345D 2 Pipe Mount Brackets Figure 4 9 1 Align a pair of holes in the transmitter end caps manifold with either of the two pairs of elongated holes in the bracket 2
227. sembly Removal and Replacement esee rene 7 15 7 4 3 Terminal Board Assembly Removal and Replacement eee 7 17 7 5 NON FIELD REPLACEABLE ITEMS nennen nennen aE 7 18 7 6 TRANSMITTER REPLACEMENT iaaa eie aneii ainia 7 18 TL MAINTENANCE RECORDS tr tee E reed de eei irse epe EEEE 7 19 7 8 RECOMMENDED SPARE AND REPLACEMENT PARTS eene 7 19 7 9 SOPTWARE COMPATIBIETEY n etie egent eto ti e Rhet rer m En pte 7 20 TAO RETURN SHIPMENT ERE m 7 20 8 0 CIRCUIT DESCRIPTION Ple 8 1 S L SENSOR ASSEMBEY teet ooh Ra reque reece ote oe owns eae S rete 8 2 8 2 ELECTRONICS MODULE veins n bee e eas ee e Eie e Re REIR a 8 2 5 3 THEORY OF OPERATION ie tette eerie teer bee tate nee E eee 8 4 8 3 1 Pressure to Frequency Conversion esee eene nnne 8 4 8 3 2 Frequency to Digital Conversion eeeeeeeeeeeeeeeneen nee 8 4 8 3 3 D A Conversion and Current Signal Transmission Outputs 1 and 2 8 4 8 3 4 Communicator Deep ER euet epe deri ete 8 6 8 4 TRANSIENT SUPPRESSOR OPTION esee enne 8 6 9 0 MODEL DESIGNATIONS AND SPECIFICATIONS eee 9 1 9 VMODEL DESIGNATIONS eif dns eget eerte ence eta ect eae Here re uer n RE 9 1 92 ACCBSSORI
228. sitioned 90 CCW 1 Display can be rotated in 90 increments MGE 2 Remove enclosure cap for access to the Display 3 Display plugs into J1 on Electronics Module Display Orientation Examples Electronics Module Front View Simplified Configuration Jumper Loop Feedthrough x a J1 Mates with 1 of 4 gt Ao ue Toye M Display Connectors mem E Model 340 7 y back of Display Board which connector uim s l depends upon Display Ne ge op View orientation pO Display Sensor Jumper Not Used Connector Cable 4 places P E o Electronics gt 70888 lo Module 27 a j4 X J1 and Mating NN S e C Display Board Smart WS VS Display NC T d Connector Front Z Back Display Board Display Details Exploded View Top View Sectioned AGO00230b FIGURE 4 14 Smart Display Removal and Repositioning 4 30 August 2000 UM345 1 INSTALLATION 7 Bring the Smart Display close to the transmitter until the screws can be inserted loosely int
229. smitter 4 Scroll to the Set Hi menu option or press 5 on the keypad Press RIGHT ARROW SELECT to enter the current measured value as the URV 5 The screen recycles and shows the new URV 6 Press the LEFT ARROW PREVIOUS MENU key two times to return to the Sensor Input menu NOTE MPCO 345A PT100 Square Root 1 Linear 2 Square Root 3 4 ABORT ENTER MPCO 345A PT100 v 0 inHg 1 inHg 1 inHg Active Input 1 MV 2 MV Lo 3 MV Hi 4 Set Lo 5 Set Hi HELP SEND HOME 6 4 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION To conserve battery power do not leave the HART Communicator in the Sensor Input mode 16 Go to the next section or the next desired function block 6 2 1 4 Operator Display Block Operator Display block parameters and the range of values are described in Appendix A Default values are in Appendix C 1 From the Operator Display menu at right press 1 on the MPCO 345A PT100 keypad to display the Process Var Unit menu Operator Display a 2 Type the alphabetic or alphanumeric sequence for the 2 PV Lo 0 00 GPM process engineering variable unit then either press ENTER 3 PV Hi 85 95 GPM F4 to confirm the new unit or press ESC F3 to return to 4 AutoRerange the Operator Display menu without making a change V5 Display 3 To change the PV low value press 2 on the keypad to SEND HOME display the Process Var Lo menu
230. ss the transmitter signal terminals by turning the enclosure cap nearest to the electrical entrance counterclockwise 2 Determine method of connection to transmitter signal terminals see Figure 4 16 for typical connection methods 3 Strip loop cable and conductors Install ring tongue or spring spade terminals for 6 screws and the cable conductor gauge If terminals will not be used tin conductor ends and form a loop 4 Connect the loop cable to the LOOP and terminals inside the transmitter s enclosure Refer to Figures 4 6 through 4 8 for the needed connections for the type of network Terminals will accommodate wire sizes up to 16 AWG 1 3 mm 5 Reinstall the enclosure cap Tighten cap to compress the O ring 6 If one of the two electrical conduit entrances in the housing is not used it should be plugged Refer to the transmitter s nameplate and Section 9 to determine whether entrance holes accept NPT or M20 x 1 5 fittings Seal NPT fitting with Teflon tape seal M20 fitting with a soft setting sealing compound rated for at least 105 C 221 F 7 Ground the enclosure by installing a 16 AWG or larger copper wire between the enclosure ground screw and a low resistance ground such as a nearby metal cold water pipe August 2000 4 33 INSTALLATION UM345 1 Display Board Lug for connecting HART Communicator Display Board terminal for connecting Point To Point or Multi Drop Network Notes
231. t at the factory These are e Enclosure cap display Agency regulations do not permit field replacement of a broken or viewing glass damaged glass as this would invalidate the enclosure s explosion proof rating Replace the entire damaged enclosure end cap assembly e RFIfeed thru Potted 7 6 TRANSMITTER REPLACEMENT To replace a transmitter refer to the procedure below and one or more of the following Sections in the Installation section of this Manual e 4 4 Mechanical Installation Models 345D A and e 4 5 Mechanical Installation Model 345F e 4 6 Mechanical Installation All Models e 4 7 Electrical Installation e 4 8 Hazardous Area Installations WARNING Before loosening process connections be certain that process material will not cause injury to personnel Depressurize the transmitter and drain process material as necessary Removal 1 Remove power from transmitter Close shut off valves and open by pass valves 2 Remove the enclosure cap for access to the terminal board and disconnect the conduit and loop wiring Refer to Section 4 7 Electrical Installation Replace the enclosure cap 3 Disconnect the transmitter from the process Refer to the Mechanical Installation section for the transmitter at hand see above list WARNING Be certain that disconnecting the transmitter from the process will not release process material 1 Model 345D A and G Disconnect all process piping e g impulse piping or 3 v
232. t shows a SAVE F2 softkey As each function block menu is displayed the SAVE softkey continues to be displayed As soon as a change is made to any parameter the SAVE softkey changes to SEND Pressing SEND downloads the configuration with the new values to the transmitter and the softkey returns to SAVE During a configuration session it is the user s choice to either press SEND each time a change is made or wait until all changes MPCO 345A PT100 have been made Attempting to turn off the Communicator There is unsent data without sending data causes an error message to be displayed at Send it before right shutting off Press YES F1 to send the changed configuration data to the transmitter The new configuration replaces the previous configuration in the transmitter Press NO F2 to turn off the Communicator without sending the changes changes are lost 6 8 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION If data is sent to the transmitter the SAVE softkey appears Pressing SAVE allows data to be saved in the Memory Module or the Data Pack Each saved configuration is given a unique name that can be used to retrieve the configuration later to save effort when configuring additional transmitters see Section 2 5 1 2 6 2 3 Quick Access Key Functions The next few paragraphs describe how to use the factory supplied Quick Access Key options User selected options can be added to the Quick Access Key menu a
233. tact factory for shipping recommendations Refer to Section 7 10 to obtain a Return Material Authorization RMA number IMPORTANT The electronics module and Smart Display must be placed in static shielding bags to protect them from electrostatic discharge 7 9 SOFTWARE COMPATIBILITY Transmitter software controls the transmitter s operating routines and its HART communications with loop connected stations and gateways When requesting technical information or during troubleshooting it often is necessary to know the transmitter s software revision level A single digit identifies the transmitter software revision level To view the software revision level 1 Establish communication with the transmitter see Section 3 2 2 From the Online menu press the Quick Access Key 3 From the Quick Access Key menu press 2 to access the Status menu then press 1 to access the Model Number menu 4 The third item on the Model Number menu is the software revision number If this number is not displayed press 3 to display the Software rev screen then press EXIT F4 5 Turn off the Communicator or press the Quick Access Key to return to the Online menu 7 10 RETURN SHIPMENT The return of equipment or parts for any reason must always be coordinated with the manufacturer Should it become necessary to make a return shipment be sure to contact Siemens Moore first and obtain packaging information and carrier recommendations
234. tain transmitter IDs addresses and tags Turn on the HART Communicator When the Communicator finds a transmitter on a Point To Point Network the Online menu with the transmitter s type and tag name is displayed Go to Section 5 4 2 If the Communicator displays No device found at address 0 Poll check the following Communicator connections all other loop connections power to transmitter transmitter address set to 0 and transmitter model number Repair as necessary and again connect and turn on the Communicator 5 2 August 2000 UM345 1 POST INSTALLATION CHECKOUT 5 4 2 Communications Error Check 1 Establish communication the Online menu displays Press the Quick Access Key to display the Quick Access Key menu 2 Press 2 on the keypad to display the Status menu Press 2 again to start checking for errors The Communicator checks for errors If no error is present the message No Errors displays Go to step 4 4 If one or more errors are detected one or more error codes are displayed Go to step 4 then refer to Section 7 3 Troubleshooting to confirm and resolve the error s 5 Press OK F4 Turn off the Communicator or press the LEFT ARROW PREVIOUS MENU key to return to the menu for the next procedure 5 4 3 Verify Analog Output Signal This test verifies that a transmitter is operating properly and is capable of transmitting a 096 or 10096 analog output signal that can be received at its des
235. ten for most PLC systems to take advantage of this feature TABLE H 2 Results of 1002D Voting 345 Input Signals BLOCK ONE INPUT BOTH INPUTS OUTPUT BOTH INPUTS GOOD GOOD BAD DIFF lt DELTA DIFF gt DELTA OUT IN2 input FAILSAFE or IN2 FAILSAFE closest to last output VALUE whichever is VALUE value is selected GOOD FSAFE_OUT FALSE TRUE FALSE TRUE DELTA_ERR FALSE FALSE X X ERR 1 FALSE FALSE TRUE ERR 2 FALSE FALSE TRUE X Don t Care ERR N will be TRUE for input that is not BAD The custom VOTE 1002D function block in Figure H 4 inputs and outputs are described in Table H 3 is designed for use with the CRITICAL XMTER function block shown in Figure H 2 and H 3 and the standard analog input function block AIN of the PLC The AIN block scales the value and converts it to a REAL data type Scaling the inputs will make it easier to select the delta and failsafe values The conversion could be eliminated for an analog input system that supplies floating point numbers August 2000 H 5 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM UM345 1 The body of the VOTE 1002 function block is written in the structured text language and implements the functionality described in Table H 2 It evaluates the status of the transmitter from the CRITICAL XMTER function block to ensure that the signals are GOOD If a signal is BAD or if both in
236. th HART protocol and integral Transient Suppressor D Direct Connection to Model 348 Field Mounted Controller or Spare Capsule Process Diaphragm Hastelloy C 276 S 316L SS B Hastelloy C 276 with 1 Remote Seal specify AA for Body Parts Body Parts Wetted Process Connection AA 31655 NPT BA 276 2 NPT Fill Fluid B Silicone DC200 C Inert D Paratherm Output Indicator 5 4 5 Digit Digital Smart Display Not Required Standard Options X Oxygen Cleaned Y Special Features Not Required Mounting Bracket 1 2 Pipe Mount Bracket with SS Hardware 2 Universal Bracket 3 2 Pipe Mount 316SS Bracket Not Required Housing 1 Aluminum 14 NPT 2 Aluminum M20 x 1 5 N Not Required Hazardous Area Classification CSA AII CRN Registration FM CSA All CENELEC EExd SAA All and ABS Type Approved CENELEC EExia and BASEEFA Type N Non Approved FM CSA and ABS Type Approved zzcocmuzww 345A D B H AA B 5N N 3 Sample Model Number August 2000 9 3 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 TABLE 9 3 Model 345G Model Designation Basic Model Number 345G Gauge Pressure Transmitter Note Superscript See page 9 1 for these notes Input Range Span Limits Min Max D 10 450 inH5O 2 5 112 5 kPa 12 6 450 psig 87 3100 kPa 300 5500 psig 2008 37920 kPa F G Output B 4 20 mAdc with HART protocol C 4 20 mAdc with Hart protocol and integral Transient Suppressor D Di
237. ther App d Ci 28 nF Cher rove La or Lo gt 20 uH Leable Lother Li 20uH Intrinsically Safe Equipment 1 Watt i Vmax Ui 230 V Ca or Co gt 28 nF Ccable Imax li gt 100 mA Cother equipment Ci Cother equipment Li Lother equipment Control Room Equipment Must not use or generate in excess of 250 V rms or DC Um 250 V Notes All equipment in the loop must be Approved by Factory Mutual Research Corporation and Certified by Canadian Standards Association Associated Apparatus and Control Room Equipment may be located in division 2 if so approved The installation must be in accordance with the National Electrical Code or Canadian Electrical Code and ANSI ISA RP12 6 The Other Approved Intrinsically Safe Equipment located in the Hazardous Location must receive power only from the loop and may not contribute energy to the loop Multiple Model 345 transmitters may be connected in parallel as long as Associated Apparatus La and Ca values are not exceeded Wiring must be twisted shielded pairs 20 Awg or larger solid or stranded If the inductance and capacitance of the wiring are not known then the following parameters may be used e Capacitance 60 pF per foot e Inductance 0 20 uH per foot Details Approved 22 98 J Sweene i ar Control Drawing tor J Sweeney Model 345 Transmitter J Sweeney DICEN Ee Drawing No Moore Products Co Spring House PA USA 19477 15032 3451 Sheet 1 of 1 B 2
238. tination The test applies only to transmitters operating in analog mode 1 Establish communication the Online menu displays Press 1 or RIGHT ARROW SELECT to select Loop Override 2 warning appears WARN Loop should be removed from automatic control If the loop status cannot be changed for operational reasons press ABORT F3 to end this procedure and return to the Online menu If it is okay to proceed go to step 3 3 Remove the loop from automatic control then press OK MPCO 345A PT100 F4 When OK is pressed a list of analog output options is Choose analog output displayed at right level 1 4mA 4 Press 1 on the keypad or ENTER F4 to select the 4 mA 2 20mA option The Communicator displays the message Fld dev 3 Other output is fixed at 4 000 mA Press OK F4 to confirm and 4 End proceed with testing or press ABORT F3 and proceed to ABORT ENTER step 8 5 Read the DMM The value should be 4 mA 6 Repeat steps 4 and 5 using the 20 mA output level The DMM reading should be 20 mA 7 For outputs other than 4 or 20 mA choose option 3 Other and enter any desired output value The DMM reading should be the entered value in mA 8 To end the loop override session press 4 on the keypad or the ABORT F3 softkey The message Returning fld dev to original output appears 9 When the message NOTE Loop may be returned to automatic control appears return the loop to automatic
239. to display the Status menu 11 If no data are showing for a particular parameter press its number on the keypad e g 3 for Interrupt to view the parameter s value then press EXIT F4 to return to the Totalizer Status menu 6 10 August 2000 UM345 1 ON LINE CONFIGURATION AND OPERATION 12 Press the LEFT ARROW PREVIOUS MENU key twice to display the Quick Access Key menu 6 2 3 3 Range Xmtr The Range Xmtr menu at right permits measured variable and MPCO 345A PT100 process variable units and Lo Hi values to be changed It also Range Xmtr provides access to Auto Rerange and Transfer Function menus 3 1 gt MV Units l Either press the number of the desired menu option or use 2 MV Lo the UP or DOWN arrows to scroll to the option then press 3 MV Hi RIGHT ARROW SELECT 4 PV Units V5 PV Lo HELP SAVE 2 To make changes to measured variable MV values or select a transfer function follow the procedures given for the Sensor Input function block Section 6 2 1 1 3 To make changes to process variable PV values or set Auto Rerange On or Off follow the procedures given for the Operator Display function block Section 6 1 1 2 4 When finished press SEND to download the changed data to the transmitter If desired press SAVE to store the new configuration in the Memory Module or Data Pack 5 Press the LEFT ARROW PREVIOUS MENU key to return to the Quick Access Key Menu 6 3 LOCAL TRANSMITTER
240. to display the Save as menu at right With the Location highlighted press the SAVE F2 function key to save the configuration Unnamed Save as 1 Location Module 2 Name 3 Data Type Standard If the location highlighted is the Module but the configuration is to be stored in the Data Pack or vice versa press the RIGHT ARROW SELECT key to display the HELP SAVE Location menu Choose either Module or Data Pack by pressing ENTER F4 This displays the Save as menu again Press SAVE F2 to save the configuration in the desired location The Save As menu also is used to enter or edit the configuration Name and Data Type To name a configuration simply choose option 2 then use the keypad with shift keys to enter the name as shown at right When the Save As menu is displayed one of the options Standard Partial or Full will be shown To change the option move the cursor to the Data Type line of the HELP SAVE Save As menu and press the RIGHT ARROW SELECT key to display the Data Type menu below right Unnamed Data Type Standard Standard Partial Full Data Type Standard refers to all user editable variables in a device configuration Data Type Partial refers to only the marked editable variables Data Type Full refers to a all device variables whether user editable or not In general it is best to save as Data Type Standard Saving as Data Type Full preserves a complete configuration for f
241. to the MV Lo and Hi parameters The Active Input feature will display the live input pressure as well as the MV Lo and Hi parameters The user then applies zero and span pressures from a precision pressure standard and enters those values directly into the MV Lo and Hi parameters This procedure allows the HART Communicator to mimic the operation of the local magnetic switches For detailed information on using the Active Input feature or the local magnetic switches see Section 6 A 2 August 2000 UM345 1 APPENDIX A FUNCTION BLOCKS A 3 OPERATOR DISPLAY BLOCK The Operator Display Block is used to configure the operation of the local Smart Display Operator Display Block parameters are listed below a description of each parameter then follows Process Variable Range Lo eese 19999 to 19999 Process Variable Range Hin eee cssecsseceseecseceseceseeeseeeseeseaeeeseeseeeenaees 19999 to 19999 Process Variable 16 2 thee ee ei etae 5 Character ASCII Auto detta ce em pe ete Enable or Disable Local Display Code erede e MV PV MV PV and 96 On Off Toggle Time oni teret atin ct e repetere dte ni eA sees 1 to 30 Seconds Process Variable Lo PV Lo Hi PV Hi and Units PV Units The PV Lo and PV Hi parameters are used to apply engineering units to the configured MV range For example the MV range might be
242. to the section of this manual for the chosen function V5 Output Block block Sections 6 2 1 3 6 2 1 7 HELP SAVE HOME 6 2 1 3 Sensor Input Block Sensor Input block parameters and the range of values are described in Appendix A Default values are in Appendix C 1 From the Sensor Input menu press 1 on the keypad to MPCO 345A PT100 display the Measured Var Unit menu The current MV unit Measur ed Var Unit is shown directly beneath the menu name right inHg inH 2 change the MV unit use the UP or DOWN arrow keys to highlight the desired unit Units listed in Appendix mmH20 under the Sensor Input Block description 3 Press ENTER F4 to select the highlighted unit and display HELP the Sensor Input menu 4 To view or change either MV Lo or MV High scroll to the menu item then press RIGHT ARROW SELECT 5 Use the keypad to enter the new value then press ENTER F4 Press ESC F3 to display the Sensor Input menu without making a change August 2000 6 3 ON LINE CONFIGURATION AND OPERATION UM345 1 6 10 11 12 13 14 15 To view or change the Damping value scroll to highlight the menu item then press RIGHT ARROW SELECT or press 4 on the keypad Enter a new value for Damping in seconds then press ENTER F4 Press ESC F3 to return to the Sensor Input menu without making a change To choose a transfer function scroll to highlight the
243. to the transmitter but maintain the process at 0 e g empty tank Perform one of the following e Use the Active Input feature of the Communicator access the Online Configuration Xmtr Sensor Input Menu to set the current pressure as the LRV The configured span will be retained e Use the Z magnetic switch to set the current pressure as the LRV The configured span will be retained This completes the procedure August 2000 D 3 APPENDIX D ELEVATION AND SUPPRESSION UM345 1 D 4 August 2000 UM345 1 APPENDIX E CENELEC EEX D INSTALLATIONS E 0 APPENDIX E CENELEC EEX D INSTALLATIONS The information his appendix applies only to transmitters with a CENELEC EEx d ia ia approval UM345 1 sections amended by this appendix are Section 4 3 5 Power Supply Requirements Section 9 Model Designations and Specifications Model Designation The letter M appears in the 15 last position in the model number stamped on the permanent instrument nameplate An example of a valid model number is 345DDBHAAB5N12M Hazardous Area Classification CENELEC EEx d ia ia T6 T5 The Model 345 with EEx d ia ia certification is suitable for use in Zone 1 explosive atmospheres only The basic protection technique is a flameproof enclosure d with an intrinsic safety barrier ia incorporated into the terminal board This built in barrier insures both the electronics module and sensor are intrinsically saf
244. trim 2 Calibrate DAC If the transmitter zero is being calibrated at the bench be 3 On Line Zero sure the transmitter is positioned exactly as it will be when installed HELP SAVE HOME 5 Press 1 on the keypad or press the RIGHT ARROW SELECT key to access the Zero trim menu 6 The Communicator displays the message WARN Loop should be removed from automatic control If it is permissible to do this do so and press OK F4 If not press ABORT F3 to terminate this procedure 7 If OK was pressed the Communicator displays the message WARN This will affect sensor calibration Press OK F4 7 4 August 2000 UM345 1 CALIBRATION AND MAINTENANCE to continue or press ABORT F3 to terminate this procedure without calibrating the sensor zero If OK was pressed the Communicator displays Apply 0 input to sensor Make sure 0 input is being applied to the transmitter then press OK F4 The Communicator automatically re zeros the sensor while displaying the message Sensor input stabilizing It then displays Sensor zero succeeded followed by NOTE Loop may now be returned to automatic control This signifies that the zero has been adjusted correctly To terminate the procedure do not change the input and press ABORT F3 Return the loop to automatic control if necessary then press OK F4 to return to the Calibrate menu This completes the zero trim procedure 7 1 3 On Line Zer
245. tter s in the hazardous area e Combined or separate supply and return barriers may be used e For an intrinsically safe application the DC voltage applied to the safe side of the barrier must be 0 6 Vdc less than the rated barrier working voltage e An active supply barrier must be operated within its specified input working voltage e Barrier shunt impedance to ground to the HART range of frequencies 500 Hz to 2500 Hz shall not be less than 50000 e Barrier end to end resistance stated by the manufacturer is used in calculating the maximum Network cable length and minimum and maximum network voltages e The barrier shall be installed and wired in accordance with the manufacturers instructions 4 16 August 2000 UM345 1 INSTALLATION 4 3 9 Connection of Miscellaneous Hardware Miscellaneous non signaling hardware e g recorder milliammeter may be connected to a Point to Point network in accordance with the following list e Miscellaneous hardware may be series or parallel connected to the network according to its function e Miscellaneous hardware must be passive two terminal devices e Miscellaneous hardware may not generate any type of noise or signals other than noise that is inherent in resistive components e Individual miscellaneous hardware must meet the following requirements Capacitance to ground 50 pF maximum Resistance to ground 1 MQ minimum
246. two values and set the DELTA ERR flag TRUE if the values are more than the delta value different DELTACALC ABS INI IN2 IF DELTACALC gt DELTA THEN DELTA ERR TRUE ELSE H 8 August 2000 UM345 1 USING THE TRANSMITTER IN A GENERIC PLC SYSTEM DELTA_ERR FALSE END_IF This section selects the output value based on the status of the input signals If both inputs are bad or if the difference between the inputs is greater than delta start the delay timer DELAY START BADI AND BAD2 DELTACALC gt DELTA TIME DELAY IN DELAY START PT DELAY DELAY OVER TIME DELAY Q If both inputs are bad and the delay time has elapsed the output is the failsafe value If the delay time has not elapsed the output will hold its last value IF BAD1 AND BAD2 THEN IF DELAY OVER THEN OUT FAILSAFE FSAFE OUT TRUE END IF If input 1 is bad the output is the value of input 2 ELSIF BAD1 THEN OUT IN2 If input 2 is bad the output is the value of input 1 ELSIF BAD2 THEN OUT If the difference between the values is greater than delta and the delay time has elapsed the output is the failsafe value If the delay time has not elapsed the delta condition will be ignored ELSIF DELTACALC DELTA AND DELAY OVER THEN OUT FAILSAFE FSAFE OUT TRUE If both signals are good and DELTACALC DELTA or if DELTACALC DELTA but the delay time
247. u appears The Field Device Revision menu contains the currently installed software revisions for the field device and device descriptions DD for the model selected from the Model menu August 2000 2 11 MODEL 275 HART COMMUNICATOR UM345 1 Select the software revision RIGHT ARROW SELECT or number to access the Blank Template menu at right To discover the software revision for a particular device connect the Communicator to the device and follow instructions given in the device manual To find the software revision number for a Model 345 Transmitter establish a connection to the Communicator then press the Quick Access Key From the Quick Access Key menu press 1 to view the Status menu The software revision is line 3 If the software revision is not displayed press 3 to view the Software rev screen With the Blank Template menu displayed choose from the options available as follows Mark All Flag all configurable variables before sending them to a HART compatible device Unmark All Remove the flags from all configurable variables in the configuration Unmarked configuration variables cannot be sent to a connected HART compatible device Edit Individually Open the Edit individually menu at right Example The Edit individually menu permits the user to change a configuration parameter For example to change the engineering units from inH O to mmH 0 press the EDIT function key F
248. umented The safety plan could also include cost estimates and schedules The hazard review contains a systematic review of the process to identify possible hazards The conditions examined and hazards identified must be documented The hazard review should also include the effects of a control system failure A Safety Requirements Specification document is to contain the safety requirements of each hazard identified in the hazard review G 8 August 2000 UM345 1 SAFETY INSTRUMENTED SYSTEM The safety instrumented system design document details the design of a SIS Some safety requirements may be met by using a SIS In the case of QUADLOG much of the documentation can be generated using the 4 mation configuration software A pre startup acceptance test PSAT should verify that the SIS has successfully met all its assigned safety requirements This testing should be carefully planned to avoid systematic errors of omission or commission The test plan and test results must be documented Commands HART 189 Output Test and HART 41 Self Test should be performed on the Critical Transmitter All actions necessary to properly operate and maintain the SIS must be documented These procedures should cover on line testing management of change repair procedures and incident reporting G 3 THE SAFETY LIFE CYCLE The safety life cycle covers the safety instrumented system SIS activities from initial conception through decommissioning
249. uration Jumper on the electronics module must be set to the E enable position Begin configuration as described below Note that a two column format is used for portions of this section HART Communicator screens are shown in the right hand column related procedure steps in the left hand column 1 Establish communication with a transmitter see Section 3 2 The Online menu is displayed 2 Press 3 on the Communicator keypad to display the MPCO 345A PT100 Configure Xmtr menu at right This menu shows the list of Configure Xmtr function blocks and other transmitter features that can be 1 gt Write Protect configured 2 Sensor Input 3 Operator Display The top line on the display shows the transmitter type and 4 Transmitter ID the transmitter tag number V5 Output Block HELP SAVE HOME 6 2 1 1 Write Protect and Transmitter Password Write protecting a transmitter prevents other instruments on the loop from changing configuration parameters Password protection prevents unauthorized personnel from changing a transmitter s operating parameters To enable configuration or change the transmitter password follow the steps below Each transmitter can store one user selected password 1 Set the Configuration Jumper JMPR1 on the electronics module to the enable position See Figure 4 14 2 From the Configure Xmtr menu press 1 on the keypad to display the Write Protect menu 6 2 August 2000 UM345 1 ON LINE CONFIGU
250. uration of 345 is not usually required Refer to the appropriate manufacturer restrictions G 6 INSTALLATION COMMISSIONING AND ACCEPTANCE TEST This section provides guidelines for installing and commissioning a transmitter and any associated QUADLOG equipment Acceptance test recommendations are also provided Finally activating the transmitter s Secure Mode is discussed G 6 1 Installation QUADLOG equipment shall be installed according to the appropriate Siemens Moore Installation And Service Instructions Some of these Instructions are referenced in section August 2000 G 11 SAFETY INSTRUMENTED SYSTEM UM345 1 G 6 2 Commissioning In general commissioning activities may include confirmation of the following items e All wiring is properly installed e All power supplies are operational and within specification e All instruments have been calibrated Equipment used to verify calibration and operation should be properly maintained and calibrated to sufficient standards Operational testing should include full limit below scale 0 to 100 above scale simulation of the process input to be measured See Section 3 0 Commissioning and Bench Testing for details G 6 3 Acceptance Test A Pre Startup Acceptance Test PSAT should be performed on the SIS The test should be done according to the PSAT test plan The use of a checklist as part of the test plan is recommended A test report should be written to log all test
251. ure 2 6 shows the complete Generic Online menu tree From the Online menu use the options below to change device configurations Device setup provides access to the Device Setup menu Configurable device parameters common to all HART compatible devices can be accessed from this menu Primary Variable PV the dynamic primary variable and the related engineering unit When the primary variable contains too many characters to display on the Online menu access the PV menu to view the primary variable and related engineering units by pressing 1 Analog Output AO the dynamic output and the related engineering units The analog output is a signal on the 4 20 mA MPCO 345A PT100 Online 1 gt Loop override 2 Calibrate Test 3 Configure Xmtr 4 Setup Done HELP SAVE 1151 GENERIC Online 1 gt Device setup 2 PV 3 AO 4 LRV 5 URV SAVE v a 50 0000 inH20 12 000 mA 0 0000 in H20 100 0000 in H20 2 16 August 2000 UM345 1 MODEL 275 UNIVERSAL HART COMMUNICATOR scale that corresponds to the primary variable When analog output contains too many characters to display on the Online menu access the PV AO Menu to view the analog output and related engineering unit by pressing 3 1 Loop Override 2 Calibrate Test 3 Configure Xmtr 4 Setup Done 1 Self test 2 Calibrate 1 Write protect 2 Sensor Input 3 Operator Display 4 Transmitter ID 5 Output Block
252. uture reference HELP ESC ENTER When all changes have been made save the new configuration to either the Memory Module or the Data Pack and return to the Offline menu August 2000 2 13 MODEL 275 HART COMMUNICATOR UM345 1 2 5 1 2 Saved Configuration The second option on the Offline menu is the Saved Configuration menu which permits access to previously stored configuration data 1 Press 2 from the Offline Menu to display the Saved Configuration menu at right 2 Select either Module Contents or Data Pack Contents to open stored configurations Both storage locations list all saved configurations by assigned Tag See XPAND below for more configuration identification details Note The PC option shown on the menu is not operational with firmware release 1 6 The Module Contents menu which lists the configurations currently stored in the Memory Module is shown at right The Data Pack menu is similar Both give the user several options for handling and viewing configuration data as explained below FILTR The FILTR function key F1 opens a menu that provides both Sort and Filter options These options select only the chosen configurations from all those stored This is particularly valuable for the Data Pack which stores up to 100 configurations Sort allows unique device configurations to be grouped and displayed by Tag Descriptor or user assigned Name Filter allows configurations to be
253. vailable only with OUTPUT code B 15 2 flanges with an extension will fit into Schedule 40 and larger I D pipes 3 and 4 flanges with an extension will fit into Schedule 80 and larger I D pipes 16 B8M 316 SS bolting has a reduced pressure rating consult Siemens Moore August 2000 9 1 MODEL DESIGNATIONS AND SPECIFICATIONS UM345 1 TABLE 9 1 Model 345D Model Designation Basic Model Number 345D Differential Pressure Transmitter Notes Superscript See page 9 1 for these notes 345D D B 5 N N Input Range Span Limits Min Max gt 0 2 5 inH5O 0 05 1 25 kPa 0 75 15 inH O 0 185 3 7 kPa 10 450 inH5O 2 5 112 5 kPa 12 6 psi 450 psi 87 3100 kPa Output B 4 20 mAdc with HART protocol C 4 20 mAdc with HART protocol and integral Transient Suppressor D Direct Connection to Model 348 Field Mounted Controller or Spare Capsule Process Diaphragm Hastelloy C 2760 X10 S 316L SS A Hastelloy C 276 with 2 Remote Seals B Hastelloy C 276 with 1 Remote Seal on high side C Hastelloy C 276 with 1 Remote Seal on low side Body Parts Wetted Vent Drain Process Connection AA 316SS End y BA 31655 Side top 12 NPT BB AC 31655 Side bottom NPT BC AD 316SS Side dual NPT BD AE 316SS End 14 BE AF 31655 Side top 1 4 NPT BF AG 31655 Side bottom NPT BG AH 316SS Side dual BH RR Fill Fluid B Silicone DC
254. vent option only 4 28 August 2000 UM345 1 INSTALLATION 4 6 MECHANICAL INSTALLATION ALL MODELS This section provides procedures for mechanically installing the transmitter and repositioning the Smart Display 4 6 1 Smart Display Installation Repositioning and Removal This section describes field installation and orientation of a Smart Display for easiest viewing The display can be rotated in increments of 90 degrees For ESD protection a properly grounded wrist strap must be worn when handling the Smart Display or electronics module see Section 4 0 Install a Smart Display 1 Turn off power to the transmitter 2 Remove the enclosure cap by turning counterclockwise 3 Place the wrist strap on your wrist and connect it to the enclosure ground screw Remove the Smart Display from its packaging 4 While holding the Smart Display in front of the transmitter enclosure rotate it in quarter turns to find the viewing position where reading is easiest Four positions 90 degrees apart are possible 5 Remove 2 screws at the perimeter of the electronics module inside the transmitter enclosure Insert these screws in the Smart Display so that the screws align with the holes in the electronics module Figure 4 14 6 Bring the Smart Display close to the transmitter until the screws can be inserted loosely into the Module Without tightening the screws press gently on the Smart Display until it engages connector J1 on the e
255. with respect to the earth does not change For example in the drawing below rotating the transmitter 90 either clockwise or counterclockwise from the nameplate on top reference orientation will not cause a zero shift because diaphragm orientation with respect to earth has not changed Maximum zero shift occurs when rotating the transmitter causes diaphragm orientation with respect to the earth to be changed 90 Diaphragm dh Plane Wy Diaphragm Plane dh a Diaphragm WP Plane as 90 Counterclockwise Rotation Reference Orientation 90 Clockwise Rotation For example in the drawing below rotating the transmitter 90 either clockwise terminal board end down or counterclockwise display end down from the nameplate on top orientation will cause maximum zero shift because the diaphragm orientation changed from vertical to horizontal Poe See CEPT Diaphragm Cn Plane Edge View Diaphragm Diaphragm IPlane ledge View Edge View al LH I 209 90 Counterclockwise Rotation Reference Orientation 90 Clockwise Rotation August 2000 7 3 CALIBRATION AND MAINTENANCE UM345 1 7

USER`S MANUAL XTC Critical Pressure Transmitters Model 345

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