BusWorks 900PB Series 966PB User`s Manual
Contents
1. 3 WIRE RTD 2 WIRE RTD nmn TBI Input is Cu Pt or Ni RTD or SS Ra Salsa resistance connected in 2 8 mor E are 2 mou wire or 3 wire fashion 8 IN1 Z I 210 Int g senor Ppp EARTH CS Bile A ST Roun FICS 2 ws 8 Inputs are not isolated Bedi omot SI ollel ses ES pe m channel to channel TB1 JUMPER IN TO INL N_A f FOR 2 WIRE RTD NOTE 1 DO NOT APPLY EARTH GROUND TO INPUT LEADS OR INPUT IMPORTANT BTDINPUTSARENOT allt EA A ie ti TERMINALS EARTH GROUND SHOULD INSTEAD BE APPLIED AT THE INPUT LOGIC GROUND TERMINAL LRTN AT TB3 33 ISOLATED CHANNEL TO CHANNEL BHO ANA BONEN HOAUNJ RESISTANCE INPUT UNUSED INPUTS For 2 wire connections be TERMINATE UNUSED sure to jumper the IN and EPR Cnn ai INL leads together RESISTANCE S no N INo _ DECADE BOX N S imo S ciis N S mo S Do not attach earth ground re E E S 5 r Y O S moL S to any input leads Earth JUMPER IN TO INL FOR S T Int Z S Ents RESISTANCE BOX OR 2 WIRE 8 2 m1 8 1y 8 2 1 8 ground should connect to S Dlie mu S Del mu the LRTN terminal at TB3 33 TBI NN DO2. DB9 CONNECTIONS 1 No Connection AAPA PAO DDD Data A i 2 1 f rr Request To Send 7 UUUUUU HDUUUUY H Acromag U RUN is 46 45 44148 42 41 8 so msof asf 32 211 b SLAVE 5 No Connection 222 228 ADDREss amp 88 Data B RTD INPUTS 4 5 ey PWR No Connection 966PB 2006 ONLY p PROFIBUS C ProfiBus Connector 2 C H RTD INPUTS 0 1 RTD INPUTS 2 3 ProfiBus Socket salisez sagga DB9 Female WJZfsEf JF 2222 l L go Ef a2 13 14 15 16 Efa 22 23 24 25 26 R me u on SNS AA AAAS AAA bald T T T T sit SSASSN SOCSO FRONT VIEW RIGHT SIDE VIEW Network Length Use Type A ProfiBus cable per EN 50170 Keep line lengths less than the length indicated below for your transmission rate For baud rates not shown the lower length of the closest range end points apply i e 100M at 3Mbps ProfiBus Lo Cable IN OUT Green Wire A Network Red Wire B Bus Segment Length Limit Per Baud Rate For Type A Bus Cable 93 75K 187 5K 500K 1 5M 19 2K 12M BAUD 9 6K Type A 1200M 1200M 1200M 1000M 400M 200M 100M ProfiBus RTD Input 5 CONNECTIONS Network Use ProfiBus connectors similar to the one shown at left
3. Siemens version shown Always use ProfiBus cable per DIN 19245 and EN 50170 When building cables do not mix A amp B connections Green wire is A Red wire is B The connector must have built in inductors in order to operate at the higher baud rates GSD Files 966PB 2004 ACROO0702 GSD Ident_Number 0702 Hex 966PB 2006 ACROO701 GSD Ident_Number 0701 Hex IMPORTANT Do not connect earth ground to logic Ground DB9 Pin 5 Earth Ground should connect to cable Shield common to DB9 Pin 1 Note that Acromag modules also support the optional RTS direction control signal at Pin 4 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 6 BusWorks 966PB Module User s Manual CONNECTIONS Network Example ProfiBus System Connections Up to 125 slave modules may network together with a class 1 master using four repeaters one repeater every 31 nodes Address 0 is typically reserved for the class 1 master Note 12Mbps installations require a minimum cable length of 1M between stations TIP A recommended RS485 repeater for ProfiBus is the Siemens 6ES79720AA01 OXAO Current ProfiBus RTD Input Termination The network must be terminated at both ends only Most ProfiBus connectors include a switch for termination as shown above Note that this switch will also disconnect the outgoing network signal A network segment may contain up to
4. s full scale value when FFH is detected Then write 00H into the high order byte to complete full scale calibration 7 Repeat steps 3 6 for the other channels of the same range 8 With user parameter bytes 0 5 select the next range to be calibrated 9 Repeat steps 3 7 for all channels of this range 10 Repeat steps 8 9 until all input ranges have been calibrated 11 When finished calibrating use the master software to return the module to the normal Input Mode to prevent miscalibration After completing calibration the module should be reconfigured as required and placed in the normal Input Mode configuration I O configuration is 6 input words only In general your software allows you to select the normal Input Mode configuration and the slave will then be taken off line by the master and reconfigured If reconfiguration is successful the slave module will pass to the data exchange state with a normal I O configuration Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 1 2 BusWorks 966PB Module User s Manual ProfiBus RTD Input KEY FEATURES TECHNICAL REFERENCE PTO Certified Unit certified by the ProfiBus Trade Organization Safety Agency Approvals CE marked UL amp cUL listed Class 1 Division 2 Groups A B C D approvals Fully Independent Slave w Direct I O Connection This self contained unit does not require special bus couplers p
5. Enclosure PhySical cceceeseseeeeeeeeseeeeenees 15 Agency Approvals 2 eceeeeeceeeeeeeeeeeeees 16 Environmental 2 2 ccceeeeeeeeeeeeeeeeeeeeeeeees 16 Communication Interface eceeceeeeeeneees 17 Controls amp Indicators cceeeeeeeeeeeeeeees 19 Module Specific Parameters 000 19 Data Types ss cecceccestagscoseccdearstezseederssaenerezes 20 Windows is a registered trademark of Microsoft Corporation Profibus is a registered trademark of ProfiBus Trade Organization All trademarks are the property of their respective owners Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input 3 Rubber Plug Pull To TB4 connections are present Remove For Switch Access for Model 966PB 2006 only a a eelalalele eee MOUNTING AND a i i P Z Uodb YuYu H Acromag U DIMENSIONS RUN BUS 46 45 44 43 42 41 a LSD MSD 2 32 31 a OO gs gle gy l5 Ele alr A ry 23 gS 5 5 5 3 aoe 5 8 Unit mounts to T type DIN ve 966R6 2006 OLY p rails 35mm type EN50022 ef t oo g
6. Typical Maximum 189mA 208mA Max 197mA 217mA Max 142mA 157mA Max 147mA 162mA Max 87mA 96mA Max 92mA 102mA Max 62mA 69mA Max 62mA 69mA Max CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing Power Supply Effect Volts Less than 0 001 of output span change per volt for rated power supply variations 60 120 Hz Ripple Less than 0 01 of output span per volt peak to peak of power supply ripple Isolation Input channels as a group power and network circuits are isolated from each other for common mode voltages up to 250VAC or 354V DC off DC power ground on a continuous basis will withstand 1500VAC dielectric strength test for one minute without breakdown Complies with test requirements of ANSI ISA 82 01 1988 for voltage rating specified Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual Installation Category Designed to operate in an Installation in a Pollution Degree 2 environment with an installation category Overvoltage Category II rating Electromagnetic Interference Immunity EMI Measurement shift has been demonstrated at less than 2 5 of a 100 C reference span for interference from switching solenoids commutator motors and drill motors Electromagnetic Compatibility EMC Minimum Immunity Per European Norm EN50082 1 Electrostatic Dis
7. and provide an isolated RS485 ProfiBus HOW IT WORKS interface for configuring and monitoring the inputs One A D is provided for every pair of input channels and each input drives a separate A D channel An integrated multiplexer and analog switch are used to connect each of two A D input channels to the A D converter The A D converter then applies appropriate gain to these signals performs analog to digital conversion and digitally filters the signals The digitized A D signal is then transmitted serially to a microcontroller The microcontroller completes the transfer function according to the input type range per its embedded program Configuration and calibration parameters are stored in non volatile memory integrated within the microcontroller These modules implement the ProfiBus protocol via an industry standard SPC3 ASIC from Siemens This ASIC acts like a RAM or UART chip to the internal microcontroller and completely handles the requirements of the protocol standard The ASIC will transfer network data to the microcontroller and automatically provide the response to the bus The ASIC handles the ProfiBus protocol and communicates with the network via an optically isolated RS485 transceiver A wide input switching regulator isolated flyback provides isolated power to the input circuit and the RS485 port Refer to the simplified schematic below to gain a better understanding of the circuit 966PB SIMPLIFIED SCHEMATIC 1 ISOLATED RS48
8. A TERMINATION NETWORK BUILT IN WITH TERMINATION ON THE OUTGOING CABLE IS DISCONNECTED FROM NETWORK SWITCH TERMINATION ON ONLY AT THE BEGINNING AND END OF A NETWORK OR NETWORK SEGMENT v Connect 12 36V DC to the power terminals labeled DC amp DC For supply connections use No 14 AWG wires rated for at least 75 C Observe proper polarity CAUTION Do not exceed 36VDC peak OBSERVE PROPER POLARITY 12 TO 36VDC TBS TB3 S S INPUT POWER L S lls IS ISOLATED S DS 4 gt a NIE EARTH a GROUND Dja Note that earth ground is connected to the LRTN terminal as shown above and is not connected to the inputs CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing IMPORTANT External Fuse If unit is powered from a supply capable of delivering more than 1A to the unit it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 1A or less for example see Bel Fuse MJS1 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input T v Connect analog input signals to the input terminals as shown below CONNECTIONS according to your signal type Note earth ground dii ERSE Analog Inputs
9. NOT LEAVE UNUSED INPUTS FLOATING Y Connect Earth Ground as shown in the connection drawings above Earth Ground Note that earth ground is connected to the LRTN terminal and should not connect to the inputs Additionally ground the ProfiBus cable as shown in the drawing below The ground connections noted are recommended for best results If sensors are already grounded use caution and avoid making additional ground connections which could create ground loops Warning To comply with safety and performance standards use shielded cable and connect earth ground as noted Failure to use good wiring and grounding practices may be unsafe and hurt performance The plastic module housing does not require earth ground PROFIBUS WIRING AND GROUND PROFIBUS PROFIBUS CONNECTOR GROUNDING CONNECTOR 1 Always connect the cable shield to earth ground at both ends as shown 2 If the field device does not include an earth ground screw it may be necessary to strip the cable insulation PROFIBUS FIELD DEVICE PROFIBUS FIELD DEVICE near the field device and clamp the cable shield to a local grounding bar or surface as shown eH EARTH GROUND SCREW lr ON EQUIPMENT WHEN EARTH GROUND SCREW AVAILABLE A ON EQUIPMENT WHEN AVAILABLE THE SHIELD IS COMMON TO CABLE THE SHIELD IS COMMON TO THE HOUSING FOR METAL SS SHIELD THE HOUSING FOR METAL
10. OK p C and will blink if unit fails Yellow BUS LED will turn ON if RID INPUTS 04 RID INPUTS ZA module is properly connected J PROFIBUS CONNECTOR mee s f22 828222 to the network and in data m H 11 12 13 14 15 16 21 22 23 24 25 26 exchange mode L U A AAAAAA AAAAAR 4 REMOVABLE FY i PLUG IN TYPE SsissS s VPP TERMINAL BLOCKS TB1 TB2 963 964PB ANALOG INPUTS PWR a TBA 1B3 DIAGRAM goaa B l ISOLATION BARRIERS Z UYYY YuYu yYuu seuen isejus nfe Dashed Lines denote isolation 2 2j 28 ppress 8 8 i RTD INPUTS 4 5 AHE C PWR barriers 966PB 2006 ONLY TRANSFORMER p eae v The input circuit network and 5 J power circuits are isolated x v3 from each other for safety and 3 l al noise immunity E RTD INPUTS 0 1 RTD INPUTS 2 3 11 12 13 14 15 16 21 22 23 24 25 26 IA AAAAAA__AAAAAALZ p S sisisisis __ sisisisisis TB1 TB2 ANALOG INPUTS ANALOG INPUTS J Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com BusWorks 966PB 4 SETTING SLAVE ADDRESS Address is set to 126 7EH from the factory This address is reserved for commissioning purposes only Locate hexadecimal address switches in recessed opening next to power terminals remove rubber plug Use a screwdriver to rotate these switches to set a unique valid address from 0 to 125 If the switches are set to a valid address from 0 125 then the switch setting determines the slave address and the Set
11. Select a high surge tolerant fuse rated for 1A or less to protect unit Note that input channels are not isolated channel to channel ProfiBus RTD Input D Sub Pin Signal Description Shield Connect to Earth Ground No Connection Data A TxD RxD Request To Send RS485 Logic Ground 5V No Connection Data B TxD RxD No Connection Note SHLD pin 1 connects to the DB9 connector shroud which connects to the cable shield which is earth grounded CO N on BY oo Po gt Case Material Self extinguishing NYLON type 6 6 polyamide thermoplastic UL94 V 2 color beige general purpose NEMA Type 1 enclosure Printed Circuit Boards Military grade FR 4 epoxy glass Shipping Weight 1 pound 0 45 Kg packed ProfiBus Trade Organization PTO Certified Safety Approvals CE marked EMC Directive 89 336 EEC UL Listed UL508 UL1604 cUL Listed Canada Standard C22 2 No 142 M1987 amp 213 M1987 Hazardous Locations Class 1 Division 2 Groups A B C and D Operating Temperature 25 C to 70 C 13 F to 158 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 95 non condensing Power Requirements 11 36V DC SELV Safety Extra Low Voltage Observe proper polarity Current draw will decrease up to 13 as the baud rate is increased to 12MB Data below is at 9600 baud 966PB 2004 Current Typical Maximum 966PB 2006 Current
12. These are the input signals required to calibrate the range endpoints If calibration is required it is recommended that all ranges of the unit be done CALIBRATION IMPORTANT This module has already been calibrated at the factory and recalibration is not normally required except as necessary to correct for long term component aging or INPUT RANGE Pt 1000 200 to 850 C a 1 3850 Pt 1009 200 to 850 C a 1 3911 Low Calibration High Calibration 850 C 390 480 850 C 395 120 300 C 439 440 Ni 1200 80 to 320 C a 1 6720 Cu 100 200 to 260 C a 1 4272 250 C 18 730 0 to 5000 Linear a 1 000 450 000 These models have two I O Configuration definitions in their GSD files one for normal operation and another for accomplishing calibration The normal data exchange definition supports 6 input words 12 input bytes representing your measured values A second calibration definition supports 6 input words and 6 output words The master software will allow you to choose which mode the slave will assume Input Mode or Configuration Mode The method used to transfer information between the master and slave will vary widely between systems The steps below represent the minimum steps necessary to accomplish software calibration If you choose to perform calibration and select Configuration Mode the master will download the 61 60 word configuration during the startup sequence and t
13. and external address switches are set to an address of 126 Module is awaiting Set Slave Address command in order to complete initialization Alternately set switches from 0 125 and re power Yellow BUS LED turned OFF Communication Halted Turn power off and then ON to reset unit Investigate grounding Cannot communicate Is power ON at the module and or RS485 converter Check power Is green RUN LED ON Is address correct Check address settings at the slave Is the termination switch of the Profibus connector at the prior node turned on Switch Termination on only at the ends of the network With termination switch on the outgoing connections are disconnected from the network chain Continuous flashing green RUN LED Internal firmware problem Return the module for service Many Communication Errors Missing Termination Resistors Termination resistors must be placed only at both ends of a network or network segment Is baud rate too high for distance Maximum distance is limited below 1200 meters as baud rate is increased above 93 75Kbps see Table Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input 1 1 There are six calibration channels for these models The following table gives the calibration values for supported input ranges
14. bits Address 126 7EH is the default factory address and is reserved for commissioning purposes only Address 127 7FH is reserved by the software as a global address for broadcast messages If the address switches are set to 126 upon power up or 126 254 then the unit will retrieve its address from its internal EEPROM rather than the switches The internal EEPROM setting is modified via the Set Slave Address command Powering up with switches set to 255 FFH will cause the internal EEPROM setting to revert back to 126 7EH which may be used to recommission the module If both the internal EEPROM address and the switches are set to 126 upon power up this is the initial state from the factory the module will await the Set Slave Address command before completing initialization and assuming the data exchange mode IMPORTANT Address Setting The internal EEPROM address setting and external switch setting is 126 from the factory As such the module will await the Set Slave Address command following power up and will not proceed to exchange data unless the external switches are instead set to an address from 0 125 or the internal setting is changed to an address from 0 125 via the Set Slave Address command Maximum Message Size Up to 32 bytes recommended extendable up to 244 bytes of data node message plus 11 bytes of overhead data frame ProfiBus Character 11 bits 1 start bit 8 data bits 1 even parity bit 1 stop bit Applie
15. that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility GETTING STARTED MOUNTING AND DIMENSIONG 0seseeeeeeeene CONTROLS amp INDICATORG cccseeeeeeeeeeeeeeees ISOLATION BARRIERG 0ceceeceeeeeeeeeeeeeeeenenens SETTING SLAVE ADDRESS ccceseeeeeeeeeeneees CONNECTIONS ncsccccccccceecctccesceneesseesceeecerszarce see DIN Rail Mounting And Removal 08 NGtWoOrk airi aa eR K Analog NPU tS s cicscisccestencecccendsecrtecsieccsceie vee Barth Grounds sssini sernir TROUBLESHOOTING 0 ccceceeeeeeeeeeeeeeeeeeeeeeees Tips For Building ProfiBus Networks Top Four Common ProfiBus Problems Troubleshooting Tools cececeeeereeeeeeeeeens Using Connectors To Troubleshoot Diagnostics FUNCTION ccceeeeeeeee ee eeeeeeee v zs OOMDMMANNOTAAAR WWW Diagnostics Table cccseeeeeeeeeeeeeeeeeeeeees 10 CALIBRATION seicedscsicccsvexccicceiaudievideue restevaveveiis 11 TECHNICAL REFERENCE KEY FEATURES ysiesoccoececsevescitencetih eveesmanechests seen 12 HOW IT WORKG ccceceececeeeeeeeeeeeeseeaeeeeeeeeans 13 SPEGIFIGATIONS ea tssinste scasavenctcenstevcsssctiensceresces 14 Model Numbe rs 0 seceeeeeeeeeeeeeeeeeeeeees 14 Analog Inputs ccecccotecesedecetendesnereneceecsecmers 14 General Specifications ceeeeeeeeees 15
16. 32 nodes without the use of a signal repeater Transmission distance is up to 1200 meters per segment without a repeater Termination must be placed at both ends of a network or network segment The total number of nodes and total distance may be extended by using signal repeaters The maximum number of modules possible is further limited by the address range from 0 to 425 RS485 SIGNAL TERMINATION aaron REPEATER 6 1 NODE 32 NODE 32 END OF NETWORK TERMINATION ON NODE 1 START OF SEGMENT TERMINATION ON END OF SEGMENT TERMINATION ON SEGMENT 2 UP TO 1200 METERS UP TO 32 NODES PER SEGMENT PROFIBUS MASTER PLUG IN CARD INSTALLED IN PC START OF NETWORK TERMINATION REQD PROFIBUS MASTER A HOST PC WITH PROFIBUS i y CARD INSTALLED AND RUNNING APPLICATION SOFTWARE 0 2 ILLL l S PROFIBUS RS485 NETWORK NETWORK LENGTH PER BAUD RATE w TYPE A PROFIBUS CABLE SEGMENT 1 UP TO 1200 METERS UP TO 32 NODES PER SEGMENT NOTE THE PROFIBUS CONNECTORS SHOWN HAVE
17. 5 gt PWR 5V BUS 5V R A D 1 LED LED N PROFIBUS E SPC3 SLAVE MICRO RS485 T CONTROLLER PROFIBUS W TRANSCEIVER o Si R K ADDRESS BUFFER gt ISOLATED INPUT POWER gt 1236voc P a ISOLATED SECONDARIES o DC NETWORK ISOLATED l o f Q W POWER lt zy FLYBACK D 7 SWITCHER L Dc E lt 5y 3 R i INPUT LOGIC Z a POWER LRTN w yZ lt EARTH GROUND Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 4 BusWorks 966PB Module User s Manual Profibus RTD Input SPECIFICATIONS Model Numbers 966PB 2004 4 Ch RTD 966PB 2006 6 Ch RTD Analog Inputs These DC powered DIN rail mount ProfiBus DP slave modules will condition up to four or six RTD input signals according to the model and provide an isolated RS485 ProfiBus network interface Inputs as a group network and power are isolated from each other Non volatile reprogrammable memory in the module stores configuration and calibration information The ProfiBus model prefix 900 denotes the Series 900 The PB suffix denotes Profibus Select 966PB for RTD inputs The four digit suffix of this model number represents the following options respectively 2 ProfiBus DP 0 Default 04 or 06 4 or 6 Channels respectively Four or six RTD input channel
18. Acromag BusWorks 900PB Series ProfiBus RS485 Network I O Modules Model 966PB 2004 Four Channel RTD Input Module Model 966PB 2006 Six Channel RTD Input Module USER S MANUAL ACROMAG INCORPORATED Tel 248 624 1541 30765 South Wixom Road Fax 248 624 9234 P O BOX 437 Wixom MI 48393 7037 U S A Copyright 2002 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 695 C04J008 2 BusWorks 966PB Module User s Manual ProfiBus RTD Input TABLE OF CONTENTS Symbols on equipment A Means Refer to User s Manual this manual for additional information The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc IMPORTANT SAFETY CONSIDERATIONS You must consider the possible negative effects of power wiring component sensor or software failure in the design of any type of control or monitoring system This is very important where property loss or human life is involved It is important
19. Do Not Use Reserved for SPC3 ASIC Channel 0 amp 1 Range Select 00H 3 Wire Pt a 1 3850 01H 3 Wire Pt a 1 3911 02H 3 Wire Ni a 1 6720 03H 3 Wire 10Q Cu a 1 4272 04H 3 Wire 0 to 500Q 05H 2 Wire Pt a 1 3850 06H 2 Wire Pt a 1 3911 07H 2 Wire Ni a 1 6720 08H 2 Wire 10Q Cu a 1 4272 09H 2 Wire 0 to 500Q Channel 2 amp 3 Range Select Same Format as Channel 0 amp 1 See Above Channel 4 amp 5 Range Select Same Format as Channel 0 amp 1 See Above Break Detection 00H Upscale all channels 01H Downscale all channels Writing 55H to this register will cause the module to restore its original factory calibration Note that 55H is not stored but acts as a trigger as this byte always reads as OOH Factory Use Only Do Not Modify Note that channels share the same break detect configuration but the input range may vary between channel pairs All parameterization bytes take effect immediately This model does not include any user defined diagnostic data Ext_Diag_Data ProfiBus RTD Input 1 Q Controls amp Indicators Module Specific Parameters User_Prm_Data Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 20 BusWorks 966PB Module User s Manual ProfiBus RTD Input Data Types I O values of Acromag 9xxPB modules are represented by the following simple data types for temperature
20. ENCLOSURES OUT ae CABLE GROUND ENCLOSURES NOTE If a potential difference exists between SHIELD CLAMP GROUND earth grounding points an equalization current CLAMP can flow through the cable shield when connected Y 8S at both ends In this case it may be necessary to install an additional potential equalization line between field locations to minimize this current as shown here Use ProfiBus cable AB per DIN 19245 and ACROMAG MODULES EN 50170 EQUIPOTENTIAL BONDING STRIP The metal shroud of the DB9 ProfiBus connector on IF NECESSARY SEE NOTE F Acromag modules is common to pin 1 of the DB9 lt aie oniy approver nes connector SHIELD This is also common to the S density greater than 80 cable shield which must be earth grounded Acromag modules are enclosed in plastic and do not n 4 N PROFIBUS CABLE e Green Wire A provide a dedicated earth ground screw As such Red Wire B a local earth ground connection to the cable shield must be made as shown above Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 8 BusWorks 966PB Module User s Manual ProfiBus RTD Input TROUBLE SHOOTING Tips For Building ProfiBus Networks Top Four Common ProfiBus Problems Troubleshooting Tools The module routinely performs internal diagnostics following power up or reset During this period the green Run LED w
21. Siemens 6ES7972 0BA12 0XA0_ Switchable Termination Siemens 6ES7972 0BB12 0XA0 Adds PB Interface Piggy Back DB9 For Diagnostic Connection Profichip PA003100 Adds PB Interface and Four Diagnostic LED s For Trouble Shooting ProfiBus includes a rich diagnostic function that can be used to Diagnostics Function troubleshoot ProfiBus devices This function contains 6 bytes of standard diagnostic information plus up to an additional 238 bytes of device specific diagnostic information Most configuration tools support this command and can read the diagnostic information from the Profibus device Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 1 O BusWorks 966PB Module User s Manual Diagnostics Table If your problem still exists after checking your wiring and reviewing this information or if other evidence points to another problem with the unit an effective and convenient fault diagnosis method is to exchange the module with a known good unit Acromag s Application Engineers can provide further technical assistance if required Complete repair services are also available from Acromag SYMPTOM Yellow BUS LED does not light POSSIBLE CAUSE Initialization Problem LED ON if module in data exchange state ProfiBus RTD Input POSSIBLE FIX Check Station Address Is GSD file correct Check for wiring error Both the internal EEPROM
22. Slave Address software command will be rejected If these switches are instead set to 126 7EH upon power up or 126 to 254 the unit will retrieve its address from the internal EEPROM which is modified via the Set Slave Address command If these switches are set to 255 FFH upon power up this will return the address in EEPROM to 126 7EH Module User s Manual ProfiBus RTD Input Remove Rubber Plug HEX ADDRESS To Access Address MSD LSD Switches x16 x1 SET SWITCHES TO A VALID SLAVE ADDRESS FROM 0 TO 125 00H TO 7DH 1 Choose a slave address from 0 125 and locate highest MSD number less than this address Set MSD switch to this number s corresponding HEX digit MSD 0 16 32 48 64 80 96 112 t2gl Mal Teg Tee Tags 224 249 OH asf tt 2 3 4 5 6 7 pape Pete Se gt lo o i fats aT s ole a Te rol ra fa 4 Pa5 xt rexfol 2 3i4isiel7 siofale cjojele 2 Determine the DECimal remainder and set the LSD switch to its corresponding HEX digit 3 Replace the rubber plug if present over this switch opening to shield circuit from debris The address stored in the internal EEPROM is modified via the Set Slave Address command If the address switches are set to 126 or 126 to 254 upon power up the module will retrieve the last address stored within its EEPROM 126 from the factory With both the internal EEPROM and external switch addresses set to 126 the unit will await the Se
23. Te Units may be mounted side by side on 1 inch centers K l RTD INPUTS 0 1 RTD INPUTS 2 3 RA Jleealgs Jesslee2 WARNING IEC Safety ey Efa z salsa 15 16 Elar 22 23 24 25 26 Standards may require that u y eee this device be mounted within Ssspspp _ ssisisisis an approved metal enclosure y TB1 i E a 3 90 J or sub system particularly for DIN EN 50022 A5MM a i 99 1 4 35 applications with exposure to NOTE Dimensions Are INCHES MILLIMETERS 110 5 MODEL 966PB 2006 ENCLOSURE DIMENSIONS TB4 connections are present for Model 966PB 2006 only Ts REMOVE PLUG TO ACCESS DP SLAVE ADDRESS SWITCHES voltages greater than or equal to 75VDC or 50VAC gogoo goo hei Sus status eo Wetlom 7 UUN CONTROLS amp 46 45 44 43 42 41 4 LSD MSD 33 32 31 DOn Zs d stave o 5 INDICATORS z zj 52 ADDRESS 5 A HEX en e p Green Run LED will stay ON if power is on and unit is
24. as Current 1mA DC excitation current Resolution 0 005 or 1 part in 20000 see Table 2 below Table 2 Effective Resolution Per Applicable Range 10Q Cu a 1 4272 0 2 C 0 36 F Pt a 1 3850 0 1 C 0 18 F Pt a 1 3911 0 1 C 0 18 F Ni a 1 6720 0 1 C 0 18 F 0 to 5000 7 8125mQ Input Conversion Rate 80ms per channel or 480ms for all six input channels Input Filter Normal mode filtering plus digital filtering optimized and fixed per input range within the A ADC Input Filter Bandwidth 3dB at 3Hz typical Noise Rejection Normal Mode Better than 40dB 60Hz typical with 100Q input unbalance Noise Rejection Common Mode Better than 130dB 60Hz typical with 100Q input unbalance 10Q unbalance for Cu RTD Dimensions 1 05 inches wide 4 68 inches tall 4 35 inches deep Refer to Enclosure and Physical the dimensions drawing at the front of this manual DIN Rail Mount Type EN50022 T rail 85mm I O Connectors Removable plug in type terminal blocks rated for 15A 300V AWG 12 24 stranded or solid copper wire Network Connector 9 pin D Sub connector female with metal housing and 4 40 jack screw support Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 1 6 BusWorks 966PB Module User s Manual Enclosure and Physical Agency Approvals Environmental CAUTION Do not exceed 36VDC peak to avoid damage to the module External Fuse
25. bar and Common asynchronous Command Response Protocol Standard Profibus DP Master Slave protocol per European Norm EN50170 Baud Rate Supported baud rates are 9600 19 2K 45 45K 93 75K 187 5K 500K 1 5M 3M 6M and 12M bits per second auto detected Maximum transmission length is dependent on baud rate selection range is up to 1200M at 9600bps or up to 100M at 12Mbps Refer to the following table for maximum transmission distances at supported baud rates using recommended type A lt 30pF M or alternately type B lt 60pF M bus wire see EN50170 ProfiBus RTD Input 1 T Environmental These limits represent the minimum requirements of the standard but product has typically been tested to comply with higher standards in some cases Communication Interface Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 1 8 BusWorks 966PB Module User s Manual ProfiBus RTD Input Communication Interface NETWORK LENGTH Baud Rate Type A Type B 9600 bps 19 2K bps lt 93 75K bps 187 5K bps 500K bps 1 5M bps lt 12M bps Parity Even parity Stop Bits One Communication Distance Up to 1200 meters without a repeater Address Set via two rotary hexadecimal switches or alternately via the Set Slave Address command Remove the rubber plug if present adjacent to the power terminals to access these switches Valid setting is 0 125 7
26. charge ESD Immunity 4KV direct contact and 8KV air discharge to the enclosure port per EN61000 4 2 Radiated Field Immunity RFI 10V M 80 to 1000MHz AM and 900MHz keyed carrier per EN61000 4 3 and ENV50204 Electrical Fast Transient Immunity EFT 2KV to power and 1KV to signal I O per EN61000 4 4 Conducted RF Immunity CRFl 10V rms 150KHz to 80MHz per EN61000 4 6 Surge Immunity 1KV per EN61000 4 5 Emissions Per European Norm EN50081 1 Radiated Frequency Emissions 30 to 1000MHz per EN55022 Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which the user may be required to take adequate measures IMPORTANT Power input and output I O wiring must be in accordance with Class Division 2 wiring methods Article 501 4 b of the National Electrical Code NFPA 70 for installations in the U S or as specified in section 18 1J2 of the Canadian Electrical Code for installations within Canada and in accordance with the authority having jurisdiction This equipment is suitable for use in Class I Division 2 Groups A B C and D or non hazardous locations only WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class Division 2 WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is known to be non hazardous Interface Standard 3 wire RS 485 multi drop half duplex D D
27. er IMPORTANT 0 500 ohm inputs w break detection The maximum input resistance including lead wires is about 506Q If break detection is set downscale and your input resistance is greater than 5060 saturated this will trigger break detection and the input reading will be sent downscale for the over range input resistance without actual lead breakage Likewise upscale break is indistinguishable from an over range input resistance greater than 506Q Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input 1 5 Table 1 Supported RTD Types Ranges and Accuracy Qa Note Table 2 Alpha a is used to identify the particular RTD curve The value of alpha is derived by dividing the resistance of the sensor at 100 C by the resistance at 0 C a Rigoec Roxc For Pt 1009 this is 138 50 100 0Q or 1 385 also shown as 0 00385Q Q C Accuracy Accuracy is better than 0 1 of span typical for nominal input General Specifications ranges This includes the effects of repeatability terminal point conformity and linearization but does not include sensor error Measurement Temperature Drift Better than 50ppm C 0 005 C Analog to Digital Converter A D A 16 bit 2 A converter Analog Devices AD7714YRU A D reference is 1020Q 1 02V at 1mA excitation The differential input is sampled ratiometric to the reference Input Bi
28. es acromag com http Awww acromag com
29. fying missing or offline devices e Can test individual stations and help identify duplicate addresses Troubleshooting Tools e Can measure the distance along a network segment to verify if it complies with the Profibus requirements for distance and data rate e They can detect signal reflections along the network useful for locating bus line interruptions and discontinuities Acromag strongly suggests the use of these tools for building and maintaining Profibus networks Note that Profichip also offers a Profibus connector PA003100 that includes 4 network diagnostic LED s that may be helpful in trouble shooting your network see table below The standard 9 pin ProfiBus connectors with integrated termination Using Connectors To resistors are also helpful in troubleshooting segments of the network In Troubleshoot most of these connectors when the termination resistors are switched ON the outgoing portion of the connector is disconnected As such you can selectively disable segments of the network until you find the branch that is causing the problem For example if your handheld unit is connected to the beginning of a network and indicates a wire break you can selectively switch off portions of the network and recheck your handheld unit to help pin point the portion of the network that is causing the problem Below are some Profibus connectors that we recommend Preferred Bus Connectors Manufacturer Part Number Special Features
30. he module may then be calibrated as follows to satisfy your company s maintenance requirements Do not attempt to recalibrate this module unless absolutely required as miscalibration will negatively affect the module s performance 1 With your master software select the Configuration Mode from the For best results be sure to GSD file when setting up the master to communicate with the module use a precision signal source 2 With user parameter bytes 0 amp 1 set the ranges that are to be calibrated capable of reproducing the 3 Apply the zero calibration signal see table of prior page to the input to nominal endpoint signals be calibrated and allow the input to settle a few seconds shown below at least as 4 Write FFH into the low order byte of the channel s output word several accurate as the module itself times to ensure transmission In Configuration Mode the module will better than 0 1 of span automatically calibrate the channel s zero value when FFH is detected Always allow the module to Then write OOH into the low order byte to complete zero calibration warm up a few minutes prior to 5 Apply the full scale calibration signal Cal Hi see table to the input to be calibration calibrated and allow the input to settle a few seconds 6 Write FFH into the high order byte of the channel s output word several times to ensure transmission In Configuration Mode the module will automatically calibrate the channel
31. i213 14 75 ol a 76 21 22 23 24 25 26 ARAARA ARAAR AA of the DIN rail connector and use it as a lever Remove Terminal Side To Provide Clearance to force the connector down until the unit disengages from the rail do not twist the screwdriver to avoid damaging plastic Blocks On This A PRY WITH SCREWDRIVER INSERTED IN SLOT HERE DO NOT TWIST TO AVOID DAMAGING PLASTIC TAB PUSH SCREWDRIVER AS SHOWN TO TILT AND LIFT MODULE OFF RAIL Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual Siemens ProfiBus Connector ho g DB9 Male Ny Termination A PR Switch gt gt Loe Sf ball SME ProfiBus Cable Green Wire A Violet Red Wire B IN OUT are disconnected from the network Network Do not mix RS485 A amp B connections Green wire is A red wire is B You MUST terminate the network at both ends only Termination resistors are integrated in the ProfiBus connector When you switch termination ON the out going connections Strip Cable Similar to Shown AB 0 25 3 0 35 Grn m 0 30 PVC Sheath Insul Shld Use ProfiBus cable per DIN 19245 and EN 50170
32. ill flash for a moment If the diagnostics complete OK the Run LED will stop flashing after a few seconds and remain ON This indicates the unit is operating normally Once the unit has passed through the initialization parameterization and configuration states and is in data exchange mode the yellow BUS LED will be ON If the BUS LED is OFF and the unit is connected to the network then this is indicative of an initialization problem Follow the ProfiBus installation guidelines Use the recommended cable and connectors of the standard Verify that none of the wires are broken or shorted Don t mix up the A amp B lines Green wire is A red wire is B Do not exceed the recommended segment length for the baud rate Make sure that there are no more than 32 RS 485 devices per segment including the master device and the repeater e Check for proper termination of all copper wire network segments an RS 485 segment must have a termination resistor at both ends of the segment only e All activated terminations must be powered all the time If this is not possible then consider using an active termination box e Check whether the station address is set to the correct value e f your network connects between buildings or runs through hazardous environments consider the use of fiber optics e Avoid drop lines and keep their length within the specified maximum If you employ T drops consider using repeaters and active bus ter
33. minations 1 Incorrect slave address set at the slave ProfiBus connector between the master and slave has its termination switch turned ON 3 Incorrect module configuration sent to slave 4 Configuration is based on outdated GSD file information There are several models of handheld devices on the market that simplify the installation and troubleshooting of ProfiBus networks The more sophisticated units include LCD displays that read out errors directly Two of these of these devices are referenced below Hand Held ProfiBus Network Maintenance Tools Part Number Special Features Siemens BT 200 Primarily a Cable Tester Comsoft NetTest II Set Includes DP Mono Master 4000 7 06C J Functionalit In general these devices can be used to check the network wiring before devices are connected to the bus and are often used to indicate Whether the A and B lines have been switched Whether a short exists between the A amp B lines and shield The occurrence of a wire break in the A or B line or shield line Improper termination Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input Q These tools can also be used to check the RS 485 interface of a TROUBLE ProfiBus device after it has been connected and may include the following SHOOTING e The ability to create a list of all stations connected to a network useful for identi
34. onversion for high accuracy and reliability Nonvolatile Reprogrammable Memory Allows the functionality of this device to be reliably reprogrammed thousands of times Fully Isolated Input channels as a group network and power are all isolated from each other for safety and increased noise immunity LED Indicators A green LED indicates power A yellow bus LED indicates proper network connection and unit in data exchange mode Watchdog Timer Built In Standard for the ASIC and operates in the data exchange mode if communication with the master is lost Self Diagnostics amp Diagnostic Watchdog For easy maintenance and troubleshooting Includes a hardware watchdog timer built into the microcontroller that causes it to initiate a self reset if the controller ever locks up or fails to return from an operation in a timely manner Wide Range DC Power Diode coupled power provides reverse polarity protection and may be used with redundant supplies and or battery back up Hardened For Harsh Environments For protection from RFI EMI ESD EFT amp surges Has low radiated emissions per CE requirements Wide Ambient Operation Reliable over a wide temperature range Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual ProfiBus RTD Input 1 3 These input modules will process up to four or six RTD input signals according to model number
35. ower supplies or a rack mount to operate Plug In Terminal Blocks amp DIN Rail Mount Make mounting removal and replacement easy Barrier strip and spring clamp type terminals are also available as an option Industry Standard ASIC Uses Siemens SPC3 intelligent ASIC to talk ProfiBus Isolated RS485 ProfiBus Network Interface Highly immune to noise and can operate over long distances Allows many modules to network together Flexible Quad or Hex RTD Inputs Accepts four or six channels of input for Platinum Pt Copper Cu and Nickel Ni RTD types or simple resistance RTD s are connected in 2 or 3 wire fashion Linearization excitation lead break detection and lead wire compensation 3 wire are included Ratiometric Differential RTD Sampling The RTD is sampled differentially using ratiometric conversion and this increases accuracy Automatic Self Calibration Built in self calibration helps correct for temperature drift of the input circuit every 60 seconds Upscale Or Downscale Break Detection Inputs may be configured to go upscale or downscale upon lead breakage Auto Baud Rate Detection The baud rate is set automatically High Speed Data Rates Half duplex RS485 up to 12M baud Includes RTS Support ProfiBus interface includes the optional RTS Request To Send direction control Precise High Resolution A D Conversion Modules use high resolution low noise sigma delta analog to digital c
36. percentage and discrete on off Note that when transferring words more than 1 byte the high byte is transmitted first followed by the low byte Big Endian Motorola format Data Types Percentage A 16 bit signed integer value with resolution of This model 0 005 Isb 20000 is used to represent 100 For example 100 0 and 100 are represented by decimal values 20000 0 and 20000 respectively The full range possible is 163 84 32768 decimal to 163 835 32767 decimal Temperature A 16 bit signed integer value with resolution of 0 1 C Isb This model For example a value of 12059 is equivalent to 1205 9 C a value of 187 equals 18 7 C The maximum possible temperature range is 3276 8 C to 3276 7 C Discrete A discrete value is generally indicated by a single bit of an 8 bit byte The bit number position typically corresponds to the discrete channel number Unless otherwise defined for outputs a 1 bit means the corresponding output is closed or ON a 0 bit means the output is open or OFF For active high inputs a value of 1 means the input is in its high state usually gt gt OV while a value of 0 specifies the input is in its low state near OV For active low inputs a value of 1 means the input is ON Active low near OV while a value of 0 specifies the input is OFF or in its high state usually gt gt OV Notes Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sal
37. s according to model number The unit must be wired and configured for the intended input type and range see Connections Section for details The following paragraphs summarize this model s input types ranges and other applicable specifications RTD User configured to one of four RTD types or as a simple resistance input as noted in Table 1 of the following page The module supports 2 or 3 wire connection types and provides sensor excitation linearization lead wire compensation 3 wire mode and sensor lead break detection Input Reference Test Conditions Unless Otherwise Noted Pt RTD 0 C to 100 C Ni RTD 0 C to 50 C Cu RTD 0 C to 250 C Ambient 25 C Power 24VDC Input Configuration Two wire or three wire only Excitation Current 1mA DC typical all types Linearization Better than 0 25 C typical Lead Wire Compensation Applies to 3 wire RTD with lead wires of equal size and length The maximum possible resistance including lead wires is 5060 Thus the maximum lead resistance is approximately 250 per lead Pt 150 per lead Ni 10Q per lead Cu 30 per lead 5000 resistance Lead Resistance Effect 3 5 C per Q of unbalance typical for Pt 1 4 C per Q of unbalance typical for Ni 25 5 C per Q of unbalance typical for Cu Break Detection Sensor failure open or lead breakage can provide upscale or downscale indication for all channels This applies to faults with individual leads or all leads togeth
38. s to all bytes including frame bytes Ident_Number 0702 Hex 966PB 2004 0701 Hex 966PB 2006 GSD File ACRO0702 GSD 966PB 2004 ACRO0701 GSD 966PB 2006 Bus Idle State 1 a start bit causes line to go to O An idle state of at least 33 Tbits sync time must be provided between messages Note 1Tbit at 12Mbaud 1 12000000bit sec 83nsec Network Capacity Multi drop up to 31 modules plus a host without a repeater Up to 125 modules plus a host if four repeaters are used one for every 31 nodes Network Termination Use 2200 A to B plus 390Q A to GND and 3900 B to 5V Use 2 0 25W resistors Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com BusWorks 966PB Module User s Manual LED Indicators Run Green Constant ON indicates power is applied and unit is OK Flashing ON OFF indicates unit is performing diagnostics first few seconds following power up or has failed diagnostics after a few seconds Bus Yellow ON indicates unit has completed its initialization sequence and is in the data exchange mode on the network Switches Slave Address Slave address is set via two rotary hexadecimal switches adjacent to the power terminals remove rubber plug if present to access these switches see Address above This model includes 5 user parameterization bytes User_Prm_Data defined as follows Description Default
39. t Slave Address command after power up before proceeding to the parameterization state address 126 cannot be used in data exchange mode and is reserved for commissioning purpose only You must use the Set Slave Address command to change the internal EEPROM address following power up in order to proceed However if the switches are set to an address less than 126 upon power up then the switches determine the slave address and the EEPROM setting is ignored You can later restore the internal EEPROM setting to 126 by powering the unit up with the address switches set to 255 FF You would then power the unit up again with these switches set to 126 in order to place the unit in commissioning mode CONNECTIONS FROM DIN RAIL aS use vour encer roarrty When attaching the module to the T type DIN DIN Rail Semen Slog Tomon rail angle the top of the unit towards the rail Mounting ee and locate the top groove of the adapter over seupan pee the upper lip of the rail Firmly push the unit amp Removal amaa towards the rail until it snaps into place To Any Series remove first separate the input terminal block s from the bottom side of the module to create a clearance to the DIN mounting area Next while holding the module in place from T TYPE 9XXPB ProfiBus Module DIN RAIL y above insert a screwdriver into the lower arm a Rl
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