3Com 59039-2 Network Router User Manual
Contents
1. Output 1 Use zE Alarm 1 non latching direct acting S 212 Alarm 1 non latching reverse acting Alarm 1 latching direct acting Alarm 1 latching reverse acting Logical OR of Alarm 1 and Alarm 2 direct acting Logical OR of Alarm 1 and Alarm 2 reverse acting mm mm un n Bum an nn imi mi eH mi OL m REM m SM067 3 November 2000 3 2 Section 3 DIN Digital Indicator 59039 Configuration Mode Product Manual Volume II Table 3 1 Cont Configuration Mode Parameters Parameter Legend Available Settings Default Output 2 Use il Hu d Alarm 2 direct acting B d Alarm 2 reverse acting B mu mm ZB Oy Alarm 3 direct acting B Alarm 3 reverse acting B Logical OR of Alarm and Alarm 2 direct acting mm mm m NN MU nl Logical OR of Alarm 1 and Alarm 2 reverse acting 4 Logical OR of Alarm igno Alarm 3 direct acting Logical OR of Alarm 1 and Alarm 3 reverse acting mm mm oo EE hu S NNI EN EN ma m DO Logical OR of Alarm apnd Alarm 3 direct acting Logical OR of Alarm 2 and Alarm 3 reverse acting Ga MU En 3 Recorder Output PV 3 Alarm 2 direct acting il H4 d Alarm 2 reverse acting 1 mam BN NN mM s Output 3 Use B mi P mmu mn 7 OF Alarm 3 direct acting 1 Alarm 3 reverse acting 1 DE i a Logical OR of Alarm 2 Alarm 2 direct act2. amp DIN DIGITAL INDICATOR PRODUCT MANUAL 59039 2 PREFACE This manual comprises two volumes Volume 1 This supports normal operation of the DIN Digital Indicator In normal operation all actions taken by the user are to be in front of the panel Volume Il This supports the installation commissioning and configuring of the DIN Digital Indicator It is intended for use only by personnel who are trained equipped and authorised to carry out these functions CAUTION REFER TO MANUAL THE INTERNATIONAL HAZARD SYMBOL IS INSCRIBED ADJACENT TO THE REAR CONNECTION TERMINALS IT IS IMPORTANT TO READ THE MANUAL BEFORE INSTALLING OR COMMISSIONING THE UNIT 59039 v DIN Digital Indicator Product Manual Volume 4 amp DIN DIGITAL INDICATOR PRODUCT MANUAL VOLUME I OPERATING INSTRUCTIONS In normal operation the operator must not remove the Indicator from its housing or have unrestricted access to the rear terminals as this would provide potential contact with hazardous live parts Installation and configuration must be undertaken by technically competent servicing personnel This is covered in Volume Il of this manual SM067 V1 November 2000 i WD v DIN Digital Indicator Product Manual Volume Contents INTRODUCTION OPERATOR MODE SET UP MODE RS485 SERIAL COMMUNICATIONS Appendices Alphabetical Index November 2000 59039 D 1 1 gt SM067 V1 59039 s DIN Digit
3. i e all decimal point positions illuminated this indicates that one or more of the critical Configuration Mode parameters typically input range have been altered in value setting and as a consequence all Set Up Mode parameters have been automatically set to their default values settings To clear this display simply alter the value setting of any Set Up Mode parameter see below The parameters available for view adjustment in Set Up Mode are summarised in Table When Set Up Mode is active the units display normally F C or blank will show the single character legend for the selected parameter and the value for that parameter will be shown in the four digit display The user may step through the Set Up Mode parameters by depressing the Scroll key The value setting may be altered using the Raise Lower keys OM067 3 November 2000 3 1 Section 3 Set Up Mode Parameter Alarm 1 Value Alarm 1 Hysteresis Alarm 2 Value B Alarm 2 Hysteresis B Alarm 3 Value Alarm 3 Hysteresis B Process Variable Offset Digital Filter Time Const Linear Input 77 Point Position Linear Input Scale Range Minimum Linear Input anale Range Maximum Recorder Output Scale Minimum Recorder Output Scale Maximum Operator iode Display Strategy 3 2 DIN Digital Indicator Product Manual Volume Table 3 1 Legend E 1 m Eli EE NN am NH C EH EH mmi ime a Set Up Parameters Adjustment Range Range Min
4. lD peu SUM enig UMOJg xoeg orld SUM enig yoe g MOJI 9A UMOJg x SUM UMOIG SUUM 2661 06 Hed 7961 6vsg eversa usnug unipoug unugeld JGoIN 1eddo OL addo EL ulnlululniV JOIN UJniUJOJU2 9X9IN uejuejsuo2 uoi uejuejsuo Jeddo9 J 918 N lqeo l dAL jdnosow yL November 2000 SM067 1 1 6 59039 s DIN Digital Indicator Section 1 Product Manual Volume II Installation 1 3 3 Thermocouple Input The correct type of thermocouple extension leadwire compensating cable must be used for the entire distance between the instrument and the thermocouple ensuring that correct polarity is observed throughout Joints in the cable should be avoided if possible The CJC facility must be enabled normal conditions for this input see Subsection NOTE Do not run thermocouple cables adjacent to power carrying conductors If the wiring is run in a conduit use a separate conduit for the thermocouple wiring If the thermocouple is grounded this must be done at one point only If the thermocouple extension lead is shielded the shield must be grounded at one point only The colour codes used on thermocouple extension leads are shown in Table 1 3 4 RTD Input The compensating lead should be connected to Terminal 3 For two wire RTD inputs Terminals 2 and 3 should be linked The extension leads should be of copper and the resistance of the wires con
5. PHYSICAL Dimensions Depth 100mm approximately Front Panel Width 48mm Height 96mm 3 DIN Mounting Plug in with panel mounting fixing strap Panel cut out 45mm x 92mm Terminals Screw type combination head plus telecom type socket Weight 0 48kg 1 06lb maximum SM067 A November 2000 A 7 Appendix B s D N Digital Indicator 59039 Alphabetical Index Product Manual Volume II Alphabetical Index A AC DC 24V Supply Fuse rating Terminal connections Voltage ranges 1 5 Alarm Type Selection of B 8 C CJC Disabled Display Thermocouple inputs only Cold Junction Compensation Enabling disabling B 7 Communications Baud rate selection of B 6 Terminal connections 1 8 Communications Address Selection of 1 Communications Option Selection of B 6 Communications Option PCB Removal replacement Communications Protocol Selection of B 7 Configuration Mode Automatic exit from B 7 Entry into Exit from B 7 CPU PCB Link jumpers P 8 B 1 D DC Linear Input Ranges available A 2 DC Output Terminal connections E Engineering Unit Label Installing 2 4 H Hardware Definition Code Explanation of B 5 Viewing changing B 5 Hardware Option Setting Viewing changing B 5 I Input Range Selection of Input Type Selection of Instrument Dimensions 1 7 L Label Carrier Location of Linear Input Terminal connections Logical Combination of Alarms Example of November 2000 SM067 B 59039
6. Process Variable Offset 59039 Scale range maximum adjusting comms B 4 Scale range minimum adjusting comms P Scale range minimum Process Variable Interrogating comms Operator Mode display 2 2 Process Variable Maximum Operator Mode display Resetting from front panel Resetting via comms link Process Variable Minimum Operator Mode display Resetting from front panel Resetting via comms link 8 4 Adiusting comms R Recorder Output Reversing sense of B 5 a 4 7 8 5 Scale Maximum Value adjusting comms 8 5 Scale Minimum Value adjusting comms 6 S Scale maximum Scale minimum OM067 A 59039 Scan Tables Command Sensor Break Indication Operator Mode 2 3 Set Up Mode Automatic exit from B 5 Entry into Exit from B 5 Set Up Parameters All At default Indication of T Time Elapsed Operator Mode display P 2 from front panel 2 2 Resetting via comms link OM067 A v DIN Digital Indicator Product Manual Volume 1 November 2000 Appendix A Alphabetical Index A 3 Appendix A DIN Digital Indicator 59039 Alphabetical Index Product Manual Volume A 4 November 2000 OM067 A 59039 v DIN Digital Indicator Product Manual Volume II X DIN DIGITAL INDICATOR PRODUCT MANUAL VOLUME I INSTALLATION AND CONFIGURATION INSTRUCTIONS The procedures described in this volume must be undertaken
7. 20mA 4 20mA 0 10V 0 5V 1 5V 2 10V Changes between V and mA ranges also require link jumper movement Load Impedance Isolation Range Selection Method OUTPUT 3 Option General Types Available Relay Contact Type Rating Lifetime Isolation A 4 0 20mA 5000 maximum 4 20mA 5000 maximum 0 10V 5000 minimum 0 5V 5000 minimum 1 5V 5002 minimum 2 10V 5000 minimum Isolated from all other inputs and outputs Link jumper and front panel code Relay and Transmitter Power Supply Single pole double throw SPDT 2A resistive at 120 240V AC gt 500 000 operations at rated voltage current Inherent November 2000 SM067 A 59039 Transmitter Power Supply Output Minimum Load Impedance ALARM CONTROL Maximum Number of Alarms Max No of Outputs Available Combinatorial Alarms COMMUNICATIONS Type Data Format Physical Layer Presentation Layer Maximum Number of Zones Baud Rate Zone Address Selection PERFORMANCE Reference Conditions Generally as BS5558 Ambient Temperature Relative Humidity Supply Voltage Source Resistance Lead Resistance v DIN Digital Indicator Product Manual Volume II Appendix A Product Specification 20 28V DC 24V DC nominal 9100 22mA 20V DC Three All three outputs can be alarm outputs Logical OR of alarms to an individual hardware output is available Serial asynchronous UAR
8. 20mA LJ9 DC Output 2 Option PCB DC 0 5V LJ8 DC Output 2 Option PCB DC 4 20mA LJ9 DC Output 2 Option PCB SM067 2 November 2000 2 7 Section 3 DIN Digital Indicator 59039 Configuration Mode Product Manual Volume II SECTION 3 CONFIGURATION MODE 3 1 ENTRY INTO CONFIGURATION MODE To enter Configuration Mode 1 Ensure that the instrument is powered down 2 Power up the instrument and within ten minutes of power up hold down the Raise and Scroll keys simultaneously for six seconds If this is done whilst the instrument is displaying the process variable value the instrument will enter exit Set Up Mode keep holding the keys down NOTE This need not be the first key action after power up The instrument will then enter Configuration Mode and the SET indicator will flash The user will then be presented with the first of a sequence of parameter displays in each instance the parameter will be identified by a single character legend in the units display and the setting of that parameter will be shown in the four digit display The user may then step through the parameters using the Scroll key The setting may be adjusted using the Raise Lower keys As soon as the value setting is changed the four digit display will flash indicating that the new value setting has yet to be confirmed this flashing is inhibited during actual adjustment When the value setting is as required it may be confirmed by a pressing the Scrol
9. to Range Max 1 LSD to 10 of span expressed as display units Range Min to Range Max 1 LSD to 10 of span expressed as display units Range Min to Range Max 1 LSD to 10 of span expressed as display units input span of instrument 0 0 secs OFF to 100 0 secs in 0 5 sec increments 0 XXXX 1 XXX X 2 XX XX or 3 X XXX 1999 to 9999 1999 to 9999 1999 to 9999 1999 to 9999 0 1 2 30r4 November 2000 59039 Default Range Max Proc High Range Min Proc Low 1LSD Range Max Proc High Range Min Proc Low 1LSD Range Max Proc High Range Min Proc Low 1LSD 2 0 secs 0000 1000 Range Min Range Max OM067 3 59039 DIN Digital Indicator Product Manual Volume Section 3 Set Up Mode 1 The legend for this parameter will be alarms are fitted configured 2 These parameters appear in the display sequence only if Alarm 2 is fitted configured 3 These parameters appear in the display sequence only if Alarm 3 is fitted configured 4 Only applicable if a DC Linear input is fitted 5 Defines the parameters displayed in sequence in Operator Mode NOTES ON TABLE 3 1 if only Alarm 1 is fitted configured or LI if other Parameter Setting Alarm 2 value Alarm 3 value 0 1 2 3 4 PV value PV value PV value PV value PV value Max PV value Max PV value Alarm 1 value Max PV value Max PV value Min PV value Min P
10. Active Write Only Write Only Write Only Write Only Alarm 1 Status Alarm 2 Status Alarm 3 Status Alarm 1 Latched PV Under range Flag PV Over range Flag Sensor Break Active Reset Latched Alarm Reset PV Maximum Reset PV Minimum Reset Time Elapsed 00O N O 01 55162 Po Always returns 0 if Alarm 1 not configured to be latching OM067 4 November 2000 4 9 Section 4 DIN Digital Indicator 59039 RS485 Serial Communications Product Manual Volume I 4 4 2 Word Parameters No Notes Process Variable PV Read Only PV Maximum Read Only PV Minimum Read Only Time Elapsed Read Only Instrument Status Read Only PV Offset Read Write Alarm 1 value Read Write Alarm 2 value Read Write Only if Alarm 2 is configured Alarm 3 value Read Write Only if Alarm 3 is configured Alarm 1 Hysteresis Read Write Alarm 2 Hysteresis Read Write Only if Alarm 2 is configured Alarm 3 Hysteresis Read Write Only if Alarm 3 is configured Filter Time Constant Read Write Decimal Point Position Read Write Read Only for non linear inputs Scale Range Min Read Write Read Only for non linear inputs Scale Range Max Read Write Read Only for non linear inputs Recorder Output Read Write Only if Recorder Output is Scale Max configured Recorder Output Read Write Only if Recorder Output is Scale Min configured Manufacturer ID Read Only 231 representing W1 Equipment ID
11. by technically competent servicing personnel SM067 V2 November 2000 i DIN Digital Indicator Product Manual Volume II Contents INSTALLATION INTERNAL LINKS AND SWITCHES CONFIGURATION MODE Appendices PRODUCT SPECIFICATION ALPHABETICAL INDEX November 2000 CO VIA 1 E n SM067 V2 59039 s DIN Digital Indicator Section 1 Product Manual Volume II Installation SECTION 1 INSTALLATION 1 1 UNPACKING PROCEDURE 1 Remove the instrument from its packing The instrument is supplied with a panel gasket and push fit fixing strap Retain the packing for future use should it be necessary to transport the instrument to a different site or to return it to the supplier for repair testing 2 Examine the delivered items for damage or deficiencies If any is found notify the carrier immediately 1 2 PANEL MOUNTING The panel on which the instrument is to be mounted must be rigid and may be up to 6 0mm 0 25 inches thick The cut out required for a single Digital Indicator is as shown in Figure 1 1 45mm 0 5 0 0 92mm 200 Figure 1 1 Cut out Dimensions The Digital Indicator is 100mm deep measured from the rear face of the front panel The front panel is 48mm high and 96mm wide When panel mounted the front panel projects 10mm from the mounting panel The main dimensions of the instrument are shown in Figure 1 2 SM067 1 November 2000 1 1 Section 1 s DIN Digital Indicator 59039 I
12. in effect an adjustment to the instrument s calibration Injudicious application of values to this parameter could lead to the displayed PV value having no meaningful relationship to the actual PV value 4 3 3 Scale Range Maximum P G This parameter which is adjustable only on DC linear inputs may be interrogated using a Type 2 message or may be modified using a Type 3 4 message sequence The decimal point position is as for the input range 4 3 4 Scale Range Minimum P H This parameter which is adjustable only on DC linear inputs may be interrogated using a Type 2 message or may be modified using a Type 3 4 message sequence The decimal point position is as for the input range 4 3 5 Scale Range Decimal Point Position P Adjustable on DC linear inputs only this parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence The value of this parameter defines the decimal point position as follows Value Decimal Point Position 0 abcd 1 abc d 2 ab cd 3 a bcd 4 3 6 Input Filter Time Constant P m This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence 4 3 7 Recorder Output Scale Maximum Value This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the maximum scale value for the Controller s Recorder Output and may be adjusted within the range 1999 to 9999 This value corre
13. s D N Digital Indicator Appendix B Product Manual Volume Il Alphabetical Index M Mains Line Input Fuse rating Terminal connections Voltage range O Output 2 DC Option PCB Link jumpers P 7 Output 2 Option PCB Removal replacement Output 2 Type Selection of 1 Output 3 Option PCB Removal replacement Output 3 Type Selection of 1 P Panel Mounting Cut out dimensions 1 1 Indicator dimensions 1 1 Maximum panel thickness Procedure PCB Positions Power Consumption 1 5 R Rear Terminal Connections 1 4 Relay Output Terminal connections Remote Reset Input Terminal connections SM067 B Remote Reset Option Selection of 8 6 Remote Reset Option PCB Removal replacement 2 3 Removing the Indicator from its Housing Replacing the Indicator in its Housing RTD Input Ranges available A 2 Terminal connections S Sensor Break Effect on Alarm outputs DC linear inputs Effect on Alarm outputs RTD inputs Effect on Alarm outputs thermocouple inputs A 2 T Thermocouple Input Ranges available Terminal connections U Unpacking Procedure 1 1 November 2000 B 2 Appendix B s D N Digital Indicator 59039 Alphabetical Index Product Manual Volume Il B 3 November 2000 SM067 B
14. the slave was not a Type 3 message the Type 4 message is ignored 4 3 INDIVIDUAL PARAMETERS The individual parameters and how they may be interrogated modified are described below Unless otherwise stated the DATA element will follow the standard five digit format and the decimal point position must be correct for the new value to be accepted and for modification to occur NOTE The communications identifier character P for each parameter is shown to the right of each subsection heading 4 3 1 Process Variable P This parameter may be interrogated only using a Type 2 message If the process variable is out of range the five digit DATA field in the reply will not contain a number but will contain lt gt 0 over range or lt gt 5 under range 4 3 2 Process Variable Offset P J This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It modifies the actual process variable value as measured at the instrument s input terminals in the following manner Modified PV value Actual PV value process variable offset value The modified PV value is limited by Range Maximum and Range Minimum and is used for display and alarm purposes and for recorder outputs OM067 4 November 2000 4 5 Section 4 v DIN Digital Indicator 59039 RS485 Serial Communications Product Manual Volume NOTE This parameter value should be selected with care Any adjustment to this parameter is
15. the instrument 3 9 COMMUNICATIONS PROTOCOL There are two communications protocols available ASCII fixed even parity and MODBUS selectable odd parity even parity or no parity Refer to Volume 1 Section for details 3 10 COLD JUNCTION COMPENSATION This parameter is applicable only if a thermocouple input is fitted in which case it must be enabled in normal use NOTE If a thermocouple input is fitted and the CJC is disabled in Operator Mode whenever the process variable is displayed the unit display will show 3 11 EXIT FROM CONFIGURATION MODE To leave Configuration Mode either a press the Raise and Scroll keys simultaneously or b power down then power up again Either action will cause a return to the Operator Mode NOTE An automatic return to Operator Mode is made if in Configuration Mode there is no front panel key activity for five minutes The exit is made via the power up self test routines which include an LED indicator test 3 7 November 2000 SM067 3 59039 UNIVERSAL INPUT General v DIN Digital Indicator Product Manual Volume II APPENDIX A PRODUCT SPECIFICATION Maximum per Instrument Input Sample Rate Digital Input Filter Input Resolution Input Impedance Isolation Process Variable Offset Thermocouple One Four samples second Time constant selectable from front panel 0 0 i e OFF 0 5 to 100 0 seconds in 0 5 second increments 14 bits approximatel
16. 0 800 C 7220 149 7 211 9 F 2231 200 206 C 2297 32 1471 F 7221 0 300 C 2251 328 402 F 2298 32 571 F 2229 0 0 100 9 C 2295 100 9 537 3 C 7222 100 9 100 0 C 2230 32 0 213 6 F 2296 149 7 999 1 F 7223 Default setting Type and Connection Three wire Pt100 Calibration Complies with BS1904 and DIN43760 Lead Compensation Automatic scheme RTD Sensor Current 150uA approximately Sensor Break Protection Break detected within two seconds Alarms operate as if the process variable has gone over range DC Linear Ranges Selectable from Front Panel Input Displayed Input Displayed Input Displayed Input Displayed Range Code Range Code Range Code Range Code 0 20mA 3413 0 50mV 4443 0 5V 4445 0 10V 4446 4 20mA 3414 10 50mV 4499 1 5V 4434 2 10V 4450 Default setting Changes may also be required to the CPU PCB link jumpers see Subsection 7 4 1 1999 to 9999 Decimal point as required Scale Range Maximum Scale Range Minimum 1999 to 9999 Decimal point as for Scale Range Maximum Minimum Span 1 display LSD November 2000 SM067 A 59039 Sensor Break Protection REMOTE RESET INPUT Option Type May be connected to Reset caused by Maximum Input Delay open closed or 1 0 Minimum Input delay closed open or 0 1 External switch relay contacts Maximum Contact Resistance Closure Minimum Co
17. 2B Increment the value of the parameter defined by P Hex 2D Decrement the value of the parameter defined by P Hex SF Determine the current value of the parameter defined by P The reply from the addressed instrument is of the form L N P DATA A where DATA comprises five ASCII coded digits whose format is shown in Table The data is the value requested in a query message or the new value of the parameter after modification If the action requested by the message from the master device would result in an invalid value for that parameter either because the requested new value would be outside the permitted range for that parameter or because the parameter is not modifiable the instrument replies with a negative acknowledgement L N P DATA N The DATA string in the negative acknowledgement reply will be indeterminate Scan Tables A parameter identifier character 77 in the message from the master device indicates that a Scan Table operation is required This provides a facility for interrogating the values of a group of parameters and status in a single message from the master device The reply to such a command would be in the form L N 25 aaaaa bbbbb ccccc ddddd eeeee A The digits aaaaa bbbbb etc are expressed as shown in Table 4 1 For further information refer to Subsection 4 2 3 Type 3 Message L N P 4 DATA This message type is used by the master device to set a paramete
18. Alarm 1 b 3 Alarm 1 adjusting comms Alarm 1 Operator Mode display 2 2 Alarm 2 B 3 Alarm 2 adjusting comms Alarm 2 Operator Mode display Alarm 3 B 4 OM067 A November 2000 Alarm 3 adiusting comms Alarm 3 Operator Mode display C Cold Junction Compensation Disabled indication of P 3 Communications ASCII protocol 4 1 Baud rates 4 1 Data format 4 1 End of Message character Line release time maximum value 4 1 Line turn round 4 1 Messsagetypes 2 MODBUS bit MODBUS protocol H 9 MODBUS vvord parameters Parity ASCII protocol 4 1 Parity MODBUS protocol Scan Tables command 4 4 Start of Message character 4 2 Type 1 message Type 2 message Type 3 message 21 Sl 29 Type 4 message A 1 Appendix A Alphabetical Index Mb ii Message Format 4 1 D ux bd Operator Mode E 4 8 H Hardware Definition Code Error Responses Viewing in Operator Mode Hardware Option Viewing in Operator Mode 2 4 Input Filter Time Constant Adjusting comms Input Over range Display 15 125 3 Input Under range Display Instrument Commands 4 8 4 7 L Instrument Status Latched Alarm Resetting from front panel Resetting via comms link Linear Input Reversing sense of 3 4 3 5 Scale Range Decimal Point Position Scale range maximum h 5 A 2 v DIN Digital Indicator Product Manual Volume November 2000
19. Code is set to 2 see Subsection 5 Only if Output 2 is configured as a relay output 6 Only if Output 2 is configured as a DC linear output 7 Only if Output 3 is configured as a relay output 8 Only if Output 3 is configured as a transmitter power supply output 4 Only appears in display sequence if thermocouple input is cton Bayo SM067 3 November 2000 3 4 Section 3 DIN Digital Indicator 59039 Configuration Mode Product Manual Volume II 3 2 HARDWARE DEFINITION CODE This parameter is used to represent the hardware fitted input type Output 1 type Output 2 type and Output 3 type this must be compatible with the hardware actually fitted Access to the Hardware Definition Code is gained by pressing the Scroll and Lower keys simultaneously whilst the instrument is in Configuration Mode The code is used as follows Digit 1 Input Type Digit 4 Output 3 Type Value Meaning Value Meaning 1 RTD Linear DC mV 0 Not fitted T 2 Thermocouple t 1 Relay 3 Linear DC mA 8 Transmitter Power Supply 4 Linear DC V Digit 3 Output 2 Type Output 1 always saue Meaning relay output 0 Not fitted T 1 Relay 3 DC 0 10V T Default setting 4 DC 0 20mA 5 DC 0 5V 7 DC 4 20mA The maximum setting available for this code is 4178 For example the code for an instrument with a thermocouple input relay Output 1 relay Output 2 and relay Output 3 would be 2111
20. I 1 3 CONNECTIONS AND WIRING The rear terminal connections are illustrated in Figure 1 4 24V DC SUPPLY REMOTE 24V AC RESET SUPPLY N N r MAINS RS485 OUTPUT 1 LINE COMMS Relay SUPPLY L N B A 8 NC C NO N O N C OUTPUT 3 Relay O Transmitter Power Supply DC Relay OUTPUT 2 AV ve Linear Wmv Linear mA UNIVERSAL INPUT Output 1 is always a relay output which may be used as Alarm 1 latching or non latching or the logical OR of Alarms 1 amp 2 Output 2 option may be a relay output Alarm 2 Alarm 3 or logical OR of Alarms 18 2 18 3or2 amp 3 or a DC output recorder output 77 3 option may be a relay output Alarm 2 Alarm 3 or logical OR of Alarms 18 2 18 3 or 2 amp 3 or a transmitter power supply output Figure 1 4 Rear Terminal Connections 1 4 November 2000 SM067 1 59039 DIN Digital Indicator Section 1 Product Manual Volume II Installation 1 3 1 Mains Line Input The instrument will operate on 96 264V AC 50 60Hz mains line supply The power consumption is approximately 4 VA CAUTION This equipment is designed for installation in an enclosure which provides adequate protection against electric shock Local regulations regarding electrical installation should be rigidly observed Consideration should be given to prevention of access to the power terminations by unauthorised personnel Power should be connected via a two pole isolatin
21. NOTE It is essential that this code is changed promptly whenever there is a change to the instrument s hardware configuration change of input output type alarm recorder output added removed etc The instrument software depends upon this code to ensure correct operation This code may also be viewed as a Read Only display in Operator Mode see Volume 1 Subsection 3 3 HARDWARE OPTION There are two hardware options available RS485 Serial Communications and Remote Latching Alarm Reset These options are mutually exclusive Access is gained to the Hardware Option parameter by pressing the Scroll key whilst the Hardware Definition Code is displayed in Configuration Mode The Hardware Option display may be viewed as a Read Only display in Operator Mode see Volume 1 Subsection 3 5 November 2000 SM067 3 59039 s DIN Digital Indicator Section 3 Product Manual Volume II Configuration Mode 3 3 1 RS485 Serial Communications Option For this option the protocol used is defined by the Communications Protocol parameter see Subsection Full details of communications operation are given in Volume 1 Section 3 3 2 Remote Latching Alarm Reset Option This option has the same effect as resetting the latching Alarm 1 see Output 1 Use parameter in Table from the front panel The latched Alarm 1 can be reset only if the original alarm condition has been cleared this reset has no effect whilst the alarm condition prevails See also Appendix A f
22. Read Only number 8010 CO O 01 Go PO When the process variable is over range or under range or when a sensor break condition occurs the value returned is Condition Hex Signed Unsigned Over range F700 2304 63232 Under range F600 2560 62976 Sensor Break condition F800 2048 63488 The PV Max parameter will return the Over range value or Sensor Break value as appropriate if either condition has occurred since the PV Max parameter was last reset The PV Min parameter will return the Under range value or Sensor Break value as appropriate if either condition has occurred since the PV Min parameter was last reset The Time Elapsed parameter will return the Over range value if the time exceeds 1000 minutes NOTE All these parameters return signed values except Time Elapsed which is une and Instrument Status in which Bits O 6 of the status byte reiurn Bit Parameters 1 7 respectively see Subsection 4 10 November 2000 OM067 4 59039 DIN Digital Indicator Appendix A Product Manual Volume Alphabetical Index Alphabetical Index AL1 Indicator Function AL2 Indicator Function AL3 Indicator Function amp IS N Alarm Hysteresis Alarm 1 B 3 Alarm 1 adjusting comms Alarm 2 B 3 Alarm 2 adjusting comms Alarm 3 8 4 Alarm 3 adjusting comms Alarm Status Indicators Functions 2 Alarm Value
23. T to UART link ASCII One start bit even parity seven data bits one stop bit MODBUS as above with odd even or no parity RS485 ASCII or MODBUS 32 Selectable from 9600 4800 2400 or 1200 Baud Selectable from front panel in the range 1 32 20 C 2 C 60 70 90 264V AC 50Hz 4196 100 for thermocouple input lt 0 19 lead balanced Pt100 Performance Under Reference Conditions Common Mode Rejection SM067 A gt 120dB at 50 60Hz giving negligible effect at up to 264V 50 60Hz November 2000 A 5 Appendix A v DIN Digital Indicator 59039 Product Specification Product Manual Volume II Series Mode Rejection gt 500 of span at 50 60Hz causes negligible effect DC Linear Inputs Measurement Accuracy 0 05 of span 1LSD Thermocouple Inputs Measurement Accuracy 0 25 of span 1LSD NOTE Reduced performance with Type B Thermocouple between 100 600 C 212 1112 F Linearisation Accuracy Better than 0 2 C any point any 0 1 C range 0 05 C typical Better than 0 5 C any point any 1 C range Cold Junction Compensation Better than 0 7 C RTD Inputs Measurement Accuracy 0 25 of span 1LSD Linearisation Accuracy Better than 0 2 C any point any 0 1 C range 0 05 C typical Better than 0 5 C any point any 1 C range DC Output 2 Recorder Output Accuracy 0 25 mA 2500 V 2ko Degrades linearly to 0 5 for increasing burden to specificatio
24. V value Alarm 2 value Min PV value Min PV value Elapsed Time Alarm 3 value Alarm 1 value Elapsed Time Alarm 1 value Alarm 2 value Alarm 3 value 3 2 ALARM 1 VALUE H F If Alarm 1 is selected to be a Process High alarm this defines the process variable value at or above which Alarm 1 will be active the default value will be Input Range Maximum If Alarm 1 is selected to be a Process Low alarm this defines the process variable value at or below which Alarm 1 will be active the default value will be Input Range Minimum Its value may be adjusted between Input Range Maximum and Input Range Minimum Alarm operation is illustrated in Figure 3 1 3 3 ALARM 1 HYSTERESIS Bi This parameter applies a hysteresis band on the safe side of the Alarm 1 value The effect of the hysteresis value on alarm operation is shown in Figure f configured fitted 3 4 ALARM 2 VALUE If Alarm 2 is selected to be a Process High alarm this defines the process variable value at or above which Alarm 2 will be active the default value will be Input Range Maximum If Alarm 2 is selected to be a Process Low alarm this defines the process variable value at or below which Alarm 2 will be active the default value will be Input Range Minimum Its value may be adjusted between Input Range Maximum and Input Range Minimum Alarm operation is illustrated in Figure B 1 3 5 ALARM 2 HYSTERESIS This parameter applies a hy
25. al Indicator Product Manual Volume SECTION 1 INTRODUCTION AL2 0 nur AL3 AL1 With Customer selected Units Display Section 1 Introduction The 3 DIN Digital Indicator is an easy to operate microprocessor based instrument incorporating the latest in surface mount and CMOS technology The standard features include Large four digit LED display orderable as red or green Display for units indication Universal sensor input thermocouple three wire RTD or DC linear mA mV or V Input range selected from the front panel Alarm 1 latching or non latching user selectable relay output Alarm hysteresis Maximum Hold Minimum Hold and Time Elapsed features OM067 1 November 2000 14 Section 1 Introduction v DIN Digital Indicator 59039 Product Manual Volume 90 264V AC power supply Designed to comply with EN50081 Part 2 Emission and EN50082 Immunity EMC specifications Front panel sealing to IP65 NEMA 4 standard Programmable digital filter Process Variable offset facility Alarm type selected from front panel Sensor Break indication and the many optional features include Alarm 2 and Alarm 3 relay outputs Remote reset of latched alarm Re transmitted Process Variable output Transmitter power supply ASCII and MODBUS communications protocols RS485 serial communications November 2000 OM067 1 59039 s DIN Digita
26. alue when the process variable input is at its maximum value It is adjustable between 1999 and 9999 with decimal point as defined by Linear Input Decimal Point Position The default value is 1000 This parameter can be set to a value less than but not equal to Linear Input Scale Range Minimum in which case the sense of the input is reversed 3 12 RECORDER OUTPUT SCALE MINIMUM This parameter defines the value of the process variable at which the Recorder Output reaches its minimum value for example for a 0 5V Recorder Output this value corresponds to OV It may be adjusted within the range 1999 to 9999 The decimal point position for the Recorder Output is always the same as that for the process variable input range The default value is Input Range Minimum This parameter is not applicable if the Recorder Output option is not fitted NOTE If this parameter is set to a value greater than that for the Recorder Output Scale Maximum see Subsection 3 13 the relationship between the process variable value and the Recorder Output is reversed 3 13 RECORDER OUTPUT SCALE MAXIMUM This parameter defines the value of process variable at which the Recorder Output reaches its maximum value for example for a 0 5V Recorder Output this value corresponds to 5V It may be adjusted within the range 1999 to 9999 The decimal point position for the Recorder Output is always the same as that for the process variable input range The defaul
27. conds before reverting to the maximum value or minimum value display 2 2 November 2000 OM067 2 59039 s DIN Digital Indicator Section 2 Product Manual Volume Operator Mode 2 5 OVER RANGE UNDER RANGE DISPLAYS If the process variable attains a value higher than the input scale maximum limit over range or lower than the input scale minimum limit under range the upper display will show for the over range condition and M ouem s bo for the under range condition 2 6 SENSOR BREAK INDICATION If a break is detected in the sensor circuit the four digit display will show 1 m Timmi The reaction of the alarms to a detected sensor break is dependent upon the input type 2 7 COLD JUNCTION COMPENSATION DISABLED If a thermocouple input is fitted the Cold Junction Compensation should be enabled If it is disabled whenever the process variable is displayed the unit display will be as shown on the right 2 8 RESETTING THE LATCHED ALARM If Output 1 is configured to be a latched alarm output once it becomes active it will remain active even if the alarm condition itself is cleared until reset either from the front panel or via the Remote Reset hardware option To reset the latched alarm from the front panel 1 Ensure that the normal Operating Mode display i e process variable is shown 2 Press either the Raise key or the Lower key for at least three seconds The four digit display will th
28. e RS485 Communications Option PCB or Remote Reset Option PCB is mounted on the inner surface of the Power Supply PCB and can be removed when the instrument is removed from its housing see Subsection by pulling the Option PCB towards the rear of the PSU PCB Figure 2 3 illustrates the removal replacement procedure t is not necessary to remove the Output 2 Output 3 Option PCBs to perform this procedure PSU PCB Component Side PSU PCB Component Side E i RS485 Option PCB 5 Outen PCB Remote Reset Option PCB REMOVAL REPLACEMENT Figure 2 3 Removing Replacing the RS485 Option PCB or Remote Reset Option PCB SM067 2 November 2000 2 3 Section 2 DIN Digital Indicator 59039 Internal Links and Switches Product Manual Volume II 2 4 INSTALLING THE ENGINEERING UNIT LABEL The instrument is equipped with a label carrier see Figure 2 4 to which a self adhesive engineering unit label may be attached if required Front Panel Power Supply top edge PCB Display PCB Label Carrier CPU PCB Figure 2 4 Location of Label Carrier If the instrument is configured with a linear input and engineering units are to be displayed on the front panel the required unit label see sheet of peel off labels at the rear of this manual may be installed as follows 1 Remove the instrument from its housing see Subsection 2 For the CPU PCB and Power Supply PCB simultaneously gently bend one retaining arm see Figure to free one s
29. en show OM067 2 November 2000 2 3 Section 2 v DIN Digital Indicator 59039 Operator Mode Product Manual Volume for two seconds indicating that the latched alarm has been reset The latched Alarm 1 can be reset only if the original alarm condition has been cleared this reset has no effect whilst the alarm condition prevails 2 9 VIEWING THE HARDWARE DEFINITION CODE The operator may view the current Hardware Definition Code setting in the four digit display by simultaneously depressing the Lower and Scroll keys A return may be made to the normal Operator Mode display by simultaneously depressing the Lower and Scroll keys NOTE An automatic return is made to the normal Operator Mode display after 30 seconds To view the Hardware Option setting press the Scroll key whilst the Hardware Definition Code is displayed To return to the Hardware Definition Code display depress the Lower and Scroll keys simultaneously 2 4 November 2000 OM067 2 59039 DIN Digital Indicator Section 3 Product Manual Volume Set Up Mode SECTION 3 SET UP MODE 3 1 ENTRY INTO SET UP MODE To enter Set Up Mode with the instrument initially in Operator Mode displaying the process variable value depress the Raise and Scroll keys simultaneously for three seconds The instrument will then enter Set Up Mode and the SET indicator will come ON the instrument still displaying the process variable value NOTE If the four digit display shows
30. g switch preferably situated near the equipment and a 1A fuse as shown in Figure 1 5 O Line O Neutral L Figure 1 5 Mains Line Supply Connections If the instrument has relay outputs in which the contacts are to carry mains line voltage it is recommended that the relay contact mains line supply should be switched and fused in a similar manner but should be separate from the instrument mains line supply 1 3 2 24V Nominal AC DC Supply The supply connections for the 24V AC DC version are shown in Figure 1 6 Power should be connected via a two pole isolating switch and a 315mA slow blow fuse anti surge Type T 24V AC 50 60Hz 24 DC sl Figure 1 6 24V AC DC Supply Connections The nominal 24V supply may be in the following ranges 24 nominal AC 50 60Hz 20 50V 24 nominal DC 22 65V SM067 1 November 2000 1 5 59039 DIN Digital Indicator l 8 Product Manual Volume Il Section 1 Installation Thermocouple Cable Colour Codes Table 1 1 MOIJI9A MOJI9A x aiding MOJ 9A Joelg yora MOJI A enig NO A 34N yous SUUM NUM peu U99J5 peu NIE enig peu UMOJg UMOJg peu NIG upuu r MOH A x peu MOJI9A WLSV up H uly UIP US 2 JO Jn0JO2 y K l SUM K l eBuejo SUM enig eDuelO M u
31. he Start of Message character Hex 4C N is the slave address in the range 1 32 addresses 1 9 may be represented by a single digit e g 7 or in two digit form the first digit being zero e g 07 P is a character which identifies the parameter to be interro gated modified see Table C is the command see below indicates that DATA is to follow Hex 23 DATA is a string of numerical data in ASCII code see Table is the End of Message character Hex 2A No space characters are permitted in messages Any syntax errors in a received message will cause the slave to issue no reply and await the Start of Message character 4 2 November 2000 OM067 4 59039 Table 4 1 Identifier Character T 23 MZ OOZzzrc 1 Applicable only if Alarm 2 is configured DIN Digital Indicator Product Manual Volume DATA Content abcd0 abcd1 abcd2 abcd3 abcd5 abcd6 abcd7 abcd8 Table 4 2 Parameter Command Maximum Process Variable value Minimum Process Variable value Alarm 1 value Alarm 1 Hysteresis value Alarm 2 value Alarm 2 Hysteresis value i Scale Range Maximum Scale Range Minimum Process Variable Offset value Instrument Status Process Variable value Alarm 3 value Alarm 3 Hysteresis Scale Range Decimal Point Position Time Elapsed Instrument Commands Recorder Output Scale Maximum Recorder Output Scale Minimum Scan Table Input Filter Time Constant val
32. ide of each PCB swing the PCBs clear of the front panel and carefully move them away from the front panel the CPU PCB will still be connected to the front panel Display PCB by a ribbon cable do not stress this ribbon cable 3 Remove the label carrier from its aperture in the Display PCB see Fig ure 2 5 4 Remove the required engineering unit label from the peel off sheet at the rear of this manual and affix to the front face of the label carrier see Figure using the ledge on the front face of the carrier for alignment 5 Replace the label carrier in its aperture on the Display PCB 6 Replace the CPU PCB and Power Supply PCB in position at the rear of the front panel 7 Replace the instrument in its housing see Subsection 2 5 2 4 November 2000 SM067 2 59039 s DIN Digital Indicator Section 2 Product Manual Volume II Internal Links and Switches NOTE Spare label carriers Part No 18633 and engineering label sheets Part No 84107 are available o Attach engineering unit label to this face ensuring that the ledge is at the bottom TOP VIEVV FRONT VIEVV Ledge Figure 2 5 Installing the Engineering Unit Label SM067 2 November 2000 2 5 Section 2 s DIN Digital Indicator 59039 Internal Links and Switches Product Manual Volume II 2 5 REPLACING THE INSTRUMENT IN ITS HOUSING To replace the instrument simply align the CPU PCB and Power Supply PCB with their guides and connectors
33. in the housing and slowly but firmly push the instrument into position CAUTION Ensure that the instrument is correctly orientated A stop will operate if an attempt is made to insert the instrument in the wrong orientation e g upside down This stop must not be over ridden 2 6 SELECTION OF INPUT TYPE The required input type is selected on link jumpers LJ1 LJ2 LJ3 on the CPU PCB see Figure 2 6 and Table 2 1 LJ3 LJ2 LJ1 Figure 2 6 CPU PCB Link Jumpers Table 2 1 Input Type Selection Input Type CPU PCB Link Jumper Fitted RTD or DC mV None Parked Thermocouple LJ3 C mA LJ2 DC V LJ1 2 6 November 2000 SM067 2 59039 s DIN Digital Indicator Section 2 Product Manual Volume II Internal Links and Switches 2 7 OUTPUT2 TYPE OUTPUT 3 TYPE The type of output for Output 2 and Output 3 is determined by the Option PCB fitted in the appropriate position see Figure and in the case of the DC Output 2 Option PCB being fitted the setting of Link Jumpers LJ8 and LJ9 on that Option PCB see Figure 2 7 and Table 2 2 There are three types of option PCB 1 Relay Output Option PCB no link jumpers Output 2 and Ouput 3 2 DC Output Option PCB link jumpers as in Figure 2 7 and Table 2 2 Output 2 only 3 Transmitter Power Supply Option PCB Output 3 only Figure 2 7 DC Output 2 Option PCB Table 2 2 Output 2 Type Selection Output Type Link Jumpers Fitted DC 0 10V LJ8 DC Output 2 Option PCB DC 0
34. ing Logical OR of Alarm 1 and Alarm 2 reverse acting 55 T Logical OR of Alarm ais Alarm 3 direct acting CI UE El 3 3 November 2000 SM067 3 59039 s DIN Digital Indicator Section 3 Product Manual Volume II Configuration Mode Table 3 1 Cont Configuration Mode Parameters Parameter Legend Available Settings Default Output 3 Use cont e E Logical OR of Alarm 1 and Alarm 3 reverse acting Logical OR of Alarm 2_and Alarm 3 direct acting Logical OR of Alarm 2 and Alarm 3 reverse acting mm mm mu BN NN MN NN m FT mu LM Ez Transmitter Power Supply n Communications 1200 2400 4800 or 9600 Baud 4800 Baud Rate Communications 1 1 Address MODBUS odd parity m Communications Protocol LI PEE C2 N MODBUS even parity Em I mm um nd RN MO Ex p E MODBUS no parity Enabled Disabled Cold Junction Compensation Enable Disable FT 21 C EL um T NOTES ON TABLE 3 1 1 Only appears in display sequence if Output 2 is fitted configured in the Hardware Definition Code i e Digit 3 is non zero 2 Only appears in display sequence if Output 3 is fitted configured in the Hardware Definition Code i e Digit 4 is non zero 3 Only appears in display sequence if the Hardware Option parameter is set to r485 i e Digit 1 of Hardware Definition
35. l Indicator Section 2 Product Manual Volume Operator Mode SECTION 2 OPERATOR MODE 2 1 INTRODUCTION The Operator Mode is the normal mode of the Indicator once it has been set up and configured as required The front panel displays indicators and keys are shown in Figure 2 1 Four digit display F or C display normally process variable linear input not fitted Alarm Maximum Minimum Status indicators indicators Engineering Unit display linear input fitted Lower Raise key key Scroll key SET indicator Figure 2 1 Front Panel Controls Displays and Indicators 2 2 FOUR DIGIT DISPLAY In Operator Mode this normally displays the process variable value Using the Scroll key the operator may view in a sequence according to the Operator Mode Display Strategy parameter in Set Up Mode see NOTES ON TABLE 3 1 i Current maximum value attained by process variable since the maximum value was last reset MAX indicator ON when this is displayed Also saves the Sensor Break see Subsection and Over Range see Subsection conditions ii Current minimum value attained by process variable since the minimum value was last reset MIN indicator ON when this is displayed Also saves the Sensor Break see Subsection and Under Range see Subsection conditions OM067 2 November 2000 2 1 Section 2 DIN Digital Indicator 59039 Operator Mode Product Manual Volume iii Time elapsed in the Alarm 1 active condi
36. l key whereupon the four digit display will show 7 gli LI b pressing the Raise key The four digit display will then show a static non flashing display of the new parameter setting Depression of any key other than the Raise key at the SurE display will cause the original parameter setting to be retained The sequence of parameter displays is shown in Table NOTE Changes to the value setting of certain Configuration Mode parameters e g input range output use and type will cause the Set Up Mode parameters to be automatically set to their default values the next time Set Up Mode is entered see also Volume 1 start of Section 8 It is recommended that a Configuration Mode parameters are finalised before Set Up Mode parameters are adjusted 3 1 November 2000 SM067 3 59039 s DIN Digital Indicator Section 3 Product Manual Volume II Configuration Mode Table 3 1 Configuration Mode Parameters Parameter Legend Available Settings Default Hardware Definition See Subsection 2100 Code H Hardware Option fitted None fitted non E RS485 Communications Remote Latch Reset BE mE m l Sc x R Em Input Range Defined by Input Code see Sub 1419 section Alarm 1 Type AL1 ON Process High Alarm Process Low Alarm Alarm 2 Type AL2 ON non E Not in use Process High Alarm Process Low Alarm Alarm 3 Type AL3 ON non E Not in use Process High Alarm Process Low Alarm E Nd H
37. latching fixed at 1 Bit 1 Alarm 2 Status Bit 3 Change Indicator 1 A parameter other than 0 Active 1 Safe Instrument Status or Process Variable has been changed via the front panel since the last time the Bit 2 Alarm 3 Status Status Byte was read 0 No change has occurred 0 Active 1 Safe 4 3 16 Instrument Commands P Z Only Type 3 or Type 4 messages are allowed with this parameter In the Type 3 message the DATA field must be one of four five digit numbers The reply from the instrument also contains the DATA field with the same content When the master device issues the Type 4 message the instrument responds with the same DATA field content The commands corresponding to the DATA field value are 00150 Unlatch Alarm 1 returns NAK if Alarm 1 is non latching 00160 Reset Process Variable Maximum to current PV value 00170 Reset Process Variable Minimum to current PV value 00180 Reset Time Elapsed to zero 4 3 17 Scan Table P The Scan Table operation takes the form of a Type 2 interrogation command which accesses a set of information held in the DATA element in the response The response would be in the form N 125 aaaaa bbbbb ccccc ddddd eeeee A These digits are as described in Table and comprise aaaaa The current process variable value bbbbb The current maximum process variable value CCCCC The current minimum process variable value ddddd The current Time Elpased
38. m Inactive Process Variable PROCESS LOW ALARM Alarm Hysteresis Alarm Value Alarm Inactive Alarm Active Alarm Inactive Figure 3 2 Alarm Hysteresis Operation 3 6 November 2000 OM067 3 59039 s DIN Digital Indicator Section 4 Product Manual Volume I RS485 Serial Communications SECTION 4 RS485 SERIAL COMMUNICATIONS This three wire RS485 compatible serial communications option is the means by which communication may occur between the instrument and a master device e g a computer or terminal 4 1 PHYSICAL REQUIREMENTS There are two communications protocols available with this option a ASCII b MODBUS 4 1 1 Character Transmission Data format is fixed to be seven data bits and one stop bit The Baud rate may be selected to be 1200 2400 4800 default or 9600 Baud For ASCII protocol the parity is even For MODBUS protocol the parity is selectable to be even odd or none 4 1 2 Line Turn Round ASCII Protocol The communications link is operated as a multi drop half duplex system When a device is transmitting it drives the transmission lines to the appropriate levels when it is not transmitting its outputs are set to a high impedance in order that another device can transmit It is important that a transmitter releases the transmission lines before another device starts transmission This imposes the following restraints on the master device a The transmitter must release the transmission lines within 6ms
39. n limits Degrades to 4 in the frequency band 52 80MHz for line conducted disturbances induced by RF fields 10V 80 AM 1kHz Operating Conditions Ambient Temperature Operat ing 0 C to 55 C Ambient Temperature Storage 20 C to 80 C Relative Humidity 2096 9596 non condensing Supply Voltage 90 264V AC 50 60Hz standard 20 50V AC 50 60Hz or 22 65V DC option Source Resistance 10000 maximum thermocouple A 6 November 2000 SM067 A 59039 DIN Digital Indicator Appendix A Product Manual Volume Il Product Specification Lead Resistance 500 per lead maximum balanced Pt100 Performance Under Operating Conditions Temperature Stability 0 0196 of span C change in ambient temperature Cold Junction Compensation thermocouple Only Better than 1 C Supply Voltage Influence Negligible Relative Humidity Influence Negligible Sensor Resistance Influence Thermocouple 1000 0 196 of span error Thermocouple 10000 0 595 of span error RTD Pt100 500 lead 0 596 of span error ENVIRONMENTAL Operating Conditions See PERFORMANCE EMI Susceptibility Designed to meet EN50082 Part 2 EMI Emissions Designed to meet EN500081 Part 2 Safety Considerations Designed to comply with IEC 1010 1 in as far as it is applicable Supply Voltage 90 264V AC 50 60Hz standard 20 50V AC 50 60Hz or 22 65V DC option Power Consumption 4 watts approximately Front Panel Sealing To IP65 similar to NEMA 4
40. necting the resistance element should not exceed 5 ohms per lead the leads should be of equal length 1 3 5 Linear Input For linear mA input ranges connection is made to Terminals 1 and 4 in the polarity shown in Figure 1 4 For linear mV and V ranges connection is made to Terminals 2 and 3 in the polarity shown in Figure 1 4 For details of the linear input ranges available refer to Appendix A If it is required to display the engineering units used refer to Subsection 2 4 1 3 6 Remote Reset Option With the Remote Reset option fitted Terminals 16 and 17 may be connected to an external switch relay contacts or to a TTL compatible logic signal which is used to reset the latched Alarm 1 For an external switch relay contacts an open closed transition will reset the latched alarm For a TTL signal a Logic 1 Logic 0 transition will reset the latched alarm TTL levels Logic 1 gt 2 0V Logic 0 lt 0 8V NOTE The Remote Reset option and the RS485 Serial Communications option are mutually exclusive See also Subsection 8 3 2 and Appendix A 1 3 7 Relay Output The contacts are rated at 2A resistive at 120 240V AC 1 3 8 DC Output See Appendix A SM067 1 November 2000 1 7 Section 1 DIN Digital Indicator 59039 Installation Product Manual Volume II 1 3 9 RS485 Serial Communications Option The connections for the three wire RS485 serial communications option if fitted are on Terminals 16 17 and 18 as sh
41. nstallation Product Manual Volume II 48 mm gt 10 mm approximately Figure 1 2 Main Dimensions To panel mount the instrument 1 Insert the rear of the housing through the cut out from the front of the mounting panel and hold the instrument lightly in position against the panel Ensure that the panel gasket is not distorted and that the instrument is positioned squarely against the mounting panel Apply pressure to the front panel bezel only CAUTION Do not remove the panel gasket as this may result in inadequate clamping of the instrument in the panel 2 Slide the fixing strap in place see Figure 1 3 and push it forward until it is firmly in contact with the rear face of the mounting panel the tongues on the strap should have engaged in matching rachet positions on the housing and the fixing strap springs should be pushing firmly against the mounting panel rear face Once the instrument is installed in its mounting panel it may be subsequently removed from its housing if necessary as described in Subsection 241 1 2 November 2000 SM067 1 59039 s DIN Digital Indicator Section 1 Product Manual Volume II Installation Mounting panel Front panel Sealing gasket Tongues on fixing strap engage in ratchet slots on housing Hou Fixing strap TOP VIEVV OF INSTRUMENT Figure 1 3 Panel Mounting SM067 1 November 2000 1 3 Section 1 DIN Digital Indicator 59039 Installation Product Manual Volume I
42. ntact Resistance Open External TTL Logic Signal Maximum Voltage TTL for 0 Minimum Voltage TTL for 0 Minimum Voltage TTL for 1 Maximum Voltage TTL for 1 OUTPUT 1 General Type Contact Type Rating Lifetime Isolation SM067 A v DIN Digital Indicator Product Manual Volume II November 2000 Appendix A Product Specification Applicable to 4 20mA 1 5V and 2 10V ranges only Break detected within two seconds Alarms operate as if the process variable has gone under range Voltage free TTL compatible External switch relay contacts or TTL compatible logic signal Open close transition external switch relay contacts or 1 0 logic transition TTL logic signal 1 second 1 second 509 50000 0 8V 0 6V 2 0V 24 0V Relay Single pole double throw SPDT 2A resistive at 120 240V AC gt 500 000 operations at rated voltage current Inherent A 3 Appendix A Product Specification OUTPUT 2 Option General Types Available Relay Contact Type Rating Lifetime Isolation DC Resolution Update Rate Ranges v DIN Digital Indicator 59039 Product Manual Volume II Relay and DC Single pole double throw SPDT 2A resistive at 120 240V AC gt 500 000 operations at rated voltage current Inherent Eight bits in 250mS 10 bits in 1 second typical gt 10 bits in gt 1 second typical Approximately 4 second 0
43. of the end of the last character of a message being transmitted Note that delays due to buffers such as those used in universal asynchronous receivers transmitters UARTs within the master device must be taken into account b The transmitter must not start transmission until 6ms has elapsed since the reception of the last character of a message All instruments in this range having an RS485 communications facility ad here to this standard thus provided that the master device conforms simi larly to the standard there should be no line contention problems MODBUS Protocol The line turn round timings adhere to the industry stan dard 4 2 ASCII PROTOCOL This protocol assumes half duplex communications All communication is initiated by the master device The master sends a command or query to the addressed slave and the slave replies with an acknowledgement of the command or the reply to the query All messages in either direction comprise OM067 4 November 2000 4 1 Section 4 DIN Digital Indicator 59039 RS485 Serial Communications Product Manual Volume I a A Start of Message character b One or two address characters uniquely defining the slave c A parameter data character string d An End of Message character Messages from the master device may be one of four types Type 1 L N Type 2 L Nj P C Type 3 L N P 4 DATA Type 4 L N P I where all characters are in ASCII code and L is t
44. or more details of this option 3 4 INPUT RANGE The default setting of this parameter is dependent upon the input hardware fitted as indicated by the first left most digit of the Hardware Definition Code see Subsection Input Hardware Fitted Default Setting Thermocouple 1419 Type J 0 to 7619C RTD Linear mV 7220 RTD Pt100 0 to 800 C Linear mA 3414 4 to 20mA Linear V 4446 0 to 10V If the Hardware Definition Code is at its default setting input code 1419 will be displayed The input ranges and codes available are listed in Appendix A 3 5 ALARM TYPE The operation of the different alarm types is shown in Volume 1 Figure 3 6 LOGICAL COMBINATION OF ALARMS Output 1 2 or 3 may be used as a relay output representing a logic OR of two alarms EXAMPLE OF LOGICAL COMBINATION OF ALARMS Logical OR of Alarm 1 with Alarm 2 Alarm Status Relay State Alarm 1 Alarm 2 Direct acting Reverse acting OFF OFF De energised Energised ON OFF Energised De energised OFF ON Energised De energised ON ON Energised De energised 3 7 COMMUNICATIONS BAUD RATE This parameter must be set to the same Baud rate as the communications port on the master device SM067 3 November 2000 3 6 Section 3 DIN Digital Indicator 59039 Configuration Mode Product Manual Volume II 3 8 COMMUNICATIONS ADDRESS This is the unique address assigned to the instrument it is used by the master device to communicate with
45. own in Figure Where several instruments are connected to one master port the master port transceiver in the active state should be capable of driving a load of 12ko per instrument the master port transceiver in the passive state must have pull up pull down resistors of sufficiently low impedance to ensure that it remains in the quiescent state whilst supplying up to 100uA each to the instrument s transceivers in the high impedance state 1 8 November 2000 SM067 1 59039 s DIN Digital Indicator Section 2 Product Manual Volume II Internal Links and Switches SECTION 2 INTERNAL LINKS AND SWITCHES 2 1 REMOVING THE INSTRUMENT FROM ITS HOUSING To withdraw the instrument from its housing simply grip the side edges of the front panel there is a finger grip on each edge and pull the instrument forwards This will release the instrument from its rear connectors in the housing and will give access to the PCBs Take note of the orientation of the instrument for subsequent replacement into the housing The positions of the PCBs in the instrument are shown in Figure 2 1 2 Link Jumpers DC Output only Top edge of front panel Power Supply PCB RS485 Serial Communications Option PCB or Remote Reset Option PCB Input Link Jumpers Output 2 Option PCB Relay Output Alarm or DC Output Recorder Output CPU PCB Output 3 Option PCB Relay Output Alarm or Transmitter Power Supply REAR VIEW OF UNHOUSED INSTRUMENT Fig
46. r to the value specified in DATA The command is not implemented immediately by the slave instrument the slave will receive this command and will then wait for a Type 4 message see below Upon receipt of a Type 3 message if the DATA content and the specified parameter are valid the slave reply is of the form 4 4 November 2000 OM067 4 59039 s DIN Digital Indicator Section 4 Product Manual Volume I RS485 Serial Communications L N P DATA 1 where Hex 49 indicating that the instrument is ready to implement the command If the parameter specified is invalid or is not modifiable or if the desired value is outside the permitted range for that parameter the instrument replies with a negative acknowledgement in the form L N P DATA N 4 2 4 Type 4 Message L N P I This type of message is sent by the master device to the addressed slave following a successful Type 3 message transmission and reply to from the same slave instrument Provided that the DATA content and the parameter specified in the preceding Type 3 message are still valid the slave will then set the parameter to the desired value and will reply in the form L N P DATA A where DATA is the new value of the parameter If the new value or parameter specified is invalid the slave will reply with a negative acknowledgement in the form L N P DATA N where DATA is indeterminate If the immediately preceding message received by
47. sponds to the Input Scale Maximum and the decimal point position will always be the same as that for the input NOTE If this parameter is set to a value less than the Recorder Output Minimum Value the sense of the Recorder Output is reversed 4 3 8 Recorder Output Scale Minimum Value P This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the minimum scale value for the Controller s Recorder Output and may be adjusted within the range 1999 to 9999 This value corresponds to 4 6 November 2000 OM067 4 59039 s DIN Digital Indicator Section 4 Product Manual Volume I RS485 Serial Communications the Input Scale Minimum and the decimal point position will always be the same as that for the input NOTE If this parameter is set to a value greater than the Recorder Output Maximum Value the sense of the Recorder Output is reversed 4 3 9 Alarm 1 Value P This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the level at which Alarm 1 will go active The decimal point position is as for the input range 4 3 10 Alarm 1 Hysteresis Value P D This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the hysteresis band applied to the safe side of Alarm 1 The decimal point position is as for the input range 4 3 11 Alarm 2 Value P E This parame
48. steresis band on the safe side of the Alarm 2 value The effect of the hysteresis value on alarm operation is shown in Figure OM067 3 November 2000 Section 3 DIN Digital Indicator 59039 Set Up Mode Product Manual Volume 3 6 ALARM 3 VALUE If Alarm 3 is selected to be a Process High alarm this defines the process variable value at or above which Alarm 3 will be active the default value will be Input Range Maximum If Alarm 3 is selected to be a Process Low alarm this defines the process variable value at or below which Alarm 3 will be active the default value will be Input Range Minimum Its value may be adjusted between Input Range Maximum and Input Range Minimum Alarm operation is illustrated in Figure B 1 3 7 ALARM 3 HYSTERESIS This parameter applies a hysteresis band on the safe side of the Alarm 3 value The effect of the hysteresis value on alarm operation is shown in Figure 8 2 3 8 PROCESS VARIABLE OFFSET CI This parameter is used to modify the actual process variable value measured at the input terminals in the following manner Offset PV value Actual PV value Process Variable Offset value The offset process variable value is used for all PV dependent functions display alarm recorder output CAUTION This is in effect a calibration adjustment Injudicious application of valuesto this parameter could lead to the displayed process variable value bearing no meaningful relationship to the act
49. t value is Input Range Maximum This parameter is not applicable if the Recorder Output option is not fitted NOTE If this parameteris set to a value less than that for the Recorder Output Scale Minimum see Subsection 3 12 the relationship between the process variable setpoint value and the Recorder Output is reversed 3 14 OPERATOR MODE DISPLAY STRATEGY This defines the sequence of parameter displays available in Operator Mode see OTES ON TABLE 3 1 3 15 EXIT FROM SET UP MODE To leave Set Up Mode select the initial Operator Mode display process variable value then depress the Raise and Scroll keys simultaneously whereupon the SET indicator will go OFF and the instrument will return to Operator Mode NOTE An automatic return to Operator mode will be executed if there is no key activity in Set Up Mode for one minute OM067 3 November 2000 3 5 Section 3 3 DIN Digital Indicator 59039 Set Up Mode Product Manual Volume Alarm Process High Alarm direct acting ALM Off Relay Off Alarm Process High Alarm Value reverse acting ALM Off Relay On Process Low Alarm direct acting ALM Off Relay Off PV Process Low Alarm reverse acting ALM Off Relay On PV NOTE The Relay On Off statements apply only if the alarm is connected to an output Figure 3 1 Alarm Operation Alarm Value Alarm Hysteresis PROCESS HIGH ALARM Process Variable Alarm Inactive Alarm Active Alar
50. ter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the level at which Alarm 2 will go active The decimal point position is as for the input range 4 3 12 Alarm 2 Hysteresis Value P F This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the hysteresis band applied to the safe side of Alarm 2 The decimal point position is as for the input range 4 3 43 Alarm 3 Value P N This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the level at which Alarm 3 will go active The decimal point position is as for the input range 4 3 14 Alarm 3 Hysteresis Value P O This parameter may be modified interrogated using a Type 2 message or a Type 3 4 message sequence It defines the hysteresis band applied to the safe side of Alarm 3 The decimal point position is as for the input range 4 3 15 Instrument Status P L This parameter may be interrogated only using a Type 2 message The status information is encoded in the four digits as the decimal representation of a binary number Each bit in the binary number has a particular significance OM067 4 November 2000 4 7 Section 4 DIN Digital Indicator 59039 RS485 Serial Communications Product Manual Volume I Bit 0 Alarm 1 Status Bit 5 Alarm 1 Latched 0 Active 1 Safe 1 not latched 0 latched If non
51. tion units display shows The display is in the format mm ss mm minutes ss seconds or mmm s mmm minutes 5 seconds tens If elapsed time is greater than 999 min utes 59 seconds display will show EU NOTE This does not include time when Alarm 1 is latched but alarm condi tion is cleared iv Alarm 1 value units display shows Wl if only Alarm 1 present fih v Alarm 2 value if fitted and configured units display shows vi Alarm 3 value if fitted and configured units display shows iv Process variable value Further depressions of the Scroll key will repeat this display sequence 2 3 ALARM STATUS INDICATORS The Alarm Status indicators show the current state of the alarm s AL1 Flashes when Alarm 1 is active with latching alarm ON when Alarm 1 is latched but alarm condition has cleared AL2 Flashes when Alarm 2 is active AL3 Flashes when Alarm 3 is active For descriptions of the operation of the various types of alarm available see 2 4 RESETTING THE MAXIMUM VALUE MINIMUM VALUE OR TIME ELAPSED VALUE To reset the maximum value minimum value to the process variable value at the instant of resetting or time elapsed value to zero 1 Select the display of the maximum value minimum value or time elapsed value as appropriate see above 2 Depress the Raise key or Lower key for three seconds The resetting of the value is indicated by the four digit display showing for two se
52. ual process variable value There is no front panel indication when this parameter is in effect i e has been set to a non zero value The default value is O 3 9 INPUT FILTER TIME CONSTANT The input is equipped with a digital filter which is used to filter out any extraneous impulses on the process variable This filtered PV is used for all PV dependent functions alarms etc The time constant for this filter may be adjusted in the range 0 0 seconds filter OFF to 100 0 seconds in 0 5 second increments The default setting is 2 0 seconds CAUTION If this parameter is set excessively high the indication quality may be significantly impaired The value chosen should be sufficiently large to attenuate stray noise but no larger L 3 10 LINEAR INPUT SCALE RANGE MINIMUM This parameter applicable only if a linear input is fitted defines the scaled input value when the process variable input is at its minimum value It is adjustable between 1999 and 9999 with decimal point as defined by Linear Input Decimal Point Position The default value is 0 This parameter can be set to a value greater than but not equal to Linear Input Scale Range Maximum in which case the sense of the input is reversed 3 4 November 2000 OM067 3 59039 DIN Digital Indicator Section 3 Product Manual Volume Set Up Mode 3 11 LINEAR INPUT SCALE RANGE MAXIMUM This parameter applicable only if a linear input is fitted defines the scaled input v
53. ue 5 NOTES 2 See Subsection 3 Applicable only if Alarm 3 is configured 4 See Subsection 5 Applicable only i 6 See Subsection OM067 4 November 2000 Section 4 RS485 Serial Communications DATA Element Sign and Decimal Point Position Sign Decimal Point Position tabcd tabc d tab cd ta bcd abcd abc d ab cd a bcd Commands Parameters and Identifiers Operation Read Only Read Only Read Write Read Write Read Write Read Write Read Write linear inputs only otherwise Read Only Read Write linear inputs only otherwise Read Only Read Write Read Only Read Only Read Write Read Write Read Write linear inputs only otherwise Read Only Read Only Write Only Read Write Read Write Read Only Read Write f 7 2 is configured as a Recorder Output 4 3 Section 4 DIN Digital Indicator 59039 RS485 Serial Communications Product Manual Volume I 4 2 1 Type 1 Message L N This message is used by the master device to determine whether the addressed slave is active The reply from the slave instrument if it is active is L N A An inactive instrument will give no reply 4 2 2 Type 2 Message L Nj P C 7 This type of message is used by the master device to interrogate or modify a parameter in the addressed instrument P identifies the parameter as defined in Table 4 2 and C represents the command to be executed which may be one of the following Hex
54. ure 2 1 PCB Positions SM067 2 November 2000 2 1 Section 2 3 DIN Digital Indicator 59039 Internal Links and Switches Product Manual Volume II Top of Front Panel Power Supply PCB Output 2 Option PCB Output 3 Option PCB REAR VIEW OF UNHOUSED CPU PCB INSTRUMENT Tongues become dis engaged Figure 2 2 Removing the Output 2 Output 3 Option PCBs 2 2 November 2000 SM067 2 59039 DIN Digital Indicator Section 2 Product Manual Volume Il Internal Links and Switches 2 2 REMOVING REPLACING THE OUTPUT 2 OUTPUT 3 OPTION PCBs With the instrument removed from its housing 1 Gently push the rear ends of the CPU PCB and Power Supply PCB apart slightly until the two tongues on each of the Output 2 Output 3 Option PCBs become dis engaged see Figure The Output 2 Option PCB tongues engage in holes in the Power Supply PCB and the Output 3 Option PCB tongues engage in holes on the CPU PCB 2 Carefully pull the required Option PCB Output 2 or Output 3 from its connector Output 2 Option PCB is connected to the CPU PCB and Output 3 Option PCB is connected to the Power Supply PCB see Figure 2 2C Note the orientation of the PCB in preparation for its replacement Adjustments may now be made to the link jumpers on the CPU PCB and if DC output the Output 2 PCB The replacement procedure is a simple reversal of the removal procedure 2 3 REMOVING REPLACING THE RS485 COMMUNICATIONS OPTION PCB OR REMOTE RESET OPTION PCB Th
55. value eeeee The Instrument Status see Subsection 4 3 18 Error Response The circumstances under which a message from the master device is ignored are Parity error detected Syntax error detected Timeout elapsed Receipt of a Type 4 message without a preceding Type 3 command mes sage Negative acknowledgements will be returned if in spite of the received message being notionally correct the instrument cannot supply the requested information or perform the requested operation The DATA element of a negative acknowledgement will be indeterminate 4 8 November 2000 OM067 4 59039 s DIN Digital Indicator Section 4 Product Manual Volume I RS485 Serial Communications 4 4 MODBUS PROTOCOL VVith the RS485 Serial Communication option fitted and configured communication between a master device and slave instruments via protocol conforming to the MODBUS industry standard is available NOTE Support for multi parameter Write operations is limited to support of the Multi word Write Function Number 16 but this permits writing of one parameter value only per message The parameter numbering system divides the parameters into bits and words each group being numbered independently 4 4 1 Bit Parameters There are up to 11 bit parameters Parameter Operation Notes Read Only 1 Active Read Only 1 Active Read Only 1 Active Read Only 1 Alarm 1 latched Read Only 1 Active Read Only 1 Active Read Only 1
56. y always four times better than display resolution Greater than 100Mo resistive except Appendix A Product Specification for DC mA and V inputs Isolated from all outputs at 240V AC Ranges selectable from front panel Adjustable input span Type Input Range Input Range xb R 0 1650 C 1127 K 200 760 C 6726 R 32 3002 F 1128 K 328 1399 F 6727 S 0 1649 C 1227 K 200 1373 C 6709 S 32 3000 F 1228 K 328 2503 F 6710 J 0 0 205 4 C 1415 L 0 0 205 7 C 1815 J 32 0 401 7 F 1416 L 32 0 402 2 F 1816 J 0 450 C 1417 L 0 450 C 1817 J 32 842 F 1418 L 32 841 F 1818 J 0 761 C 1419 L 0 762 C 1819 J 32 1401 F 1420 L 32 1403 F 1820 T 200 262 C 1525 B 211 3315 F 1934 T 328 503 F 1526 B 100 1824 C 1938 T 0 0 260 6 C 1541 N 0 1399 C 5371 T 32 0 501 0 F 1542 N 32 2550 F 5324 Default setting SM067 A November 2000 A 1 Appendix A v DIN Digital Indicator 59039 Product Specification Product Manual Volume II Calibration Complies with BS4937 NBS125 and IEC584 Sensor Break Protection Break detected within two seconds Alarms operate as if the process variable has gone over range Resistance Temperature Detector RTD Ranges selectable from front panel Displayed Displayed Displayed Input Range Code Input Range Code Input Range Code
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