IR5500 HART Manual
Contents
1. 18 Command 152 Read Run Time 18 Command 154 Set Event INAEX eececcececacacacsececacsecacacsenesecacacsecacaesesacaesesacaenesenesacnenanueuse 19 Command 155 Read Event 19 Command 156 Read Calibration Event Log 20 Command 163 Read Fast Changing Information sees esses essen nnne nnns nna anna 20 Command 164 Read Slow Changing Information sessi essen 21 Command 165 Read Setup Information sees eiiis sees enne nhan aaa sanas aaa 21 Command 166 Read System Firmware 22 Command 167 Set Beam Block Delay 23 Command 168 Set Analog Output Beam Block Delay 23 Command 170 Set Current Range 24 Command 191 End 24 Command 195 Do Gas 25 Command 197 Do AlIQN 25 11 0 TABLES 27 11 1 IR5500 DEVICE SPECIFIC COMMANDS SUMMARY 272. 31 EM Hm GENERAL MONITORS IR5500 HART Table of Tables Table 1 Field Device Identification Data lsseeesseseeeseseessseeeeeneeene nennen nnns 6 Table 2 Error Status dar ela hr a ea pE S exta Pl aa ar eim n PX 8 Table 3 IR5500 Supported Common Practice 9 Table 4 IR5500 Device Specific Commands 27 Table 5 IR5500 Operating Mode Values ccccccsssescceeceeeeceeeeeseceeeeeeeeeceeeeeeeseceeeteeeeceseaaneeeeeesaneneees 28 Table 6 IR5500 Operating 28 Table 7 Fault Event Log Cause Description 28 Table 8 Command Response TIMES 29 Tabl e 9 Capability eine d MNT Tm 30 Table 10 Default Configuration scere Contanos buds IA De UN 30 GENERAL MONITORS IR5500 HART 1 0 Introduction 1 1 Scope The IR5500 Monitor System detector complies with HART Protocol Revision 6 0 This document specifies all of the device specific features and documents HART Protocol implementation details The functionality of this Field Device is described sufficiently to allow its proper applicatio
3. Command 136 Set Alarm LEL m Hi Level This sets the Alarm Hi level for LEL m Request Data Bytes Bye Format 100 Unsigned 8 Alarm Hi level 96 of FS Hesponse Data Bytes Bye Format Description 100 Unsigned 8 Alarm Hi level of FS Command Specific Response Codes 0 Success No Command Specific Errors Passed Parameter Too Large Passed Parameter Too Small Too Few Data Bytes Received 10 9 GENERAL MONITORS IR5500 HART 6 127 Undefined Command 137 Set Alarm LEL m Lo Warn Level This sets the Alarm Lo Warn level for LEL m Request Data Bytes Bye Format Description gt gt gt 0 Unsigned 8 Alarm Lo warn level of FS Response Data Bytes Bye Format Deserpton gt gt gt 0 Unsigned 8 Alarm Lo warn level of FS Command Specific Response Codes 0 Success __ No Gommand Specife Enos gt 5 Passed Parameter Too Small 5 Error Too Few Data Bytes Received 6 127 Undefined Command 138 Set Alarm ppm meter Level This command set Alarm ppm m level Hequest Data Bytes Format Description Unsigned 8 Alarm ppm m level Format Description Unsigned 8 Alarm ppm m level 11 9 GENERAL MONITORS IR5500 HART Too Few Data Bytes Received 6 127 Undefined Command 139 Reset Alarms This resets latching alarms Request Data Bytes Bye Format gt gt gt Response Data Bytes N Command Specific
4. esee enun na sn nnn sees seas asas asas asas rrr rna 10 Command SPEED P co T 10 Command 136 Set Alarm LEL m Hi E6VOl uesceseeszs vusitevaz ev toS ac FPE re V 10 Command 137 Set Alarm LEL m Lo Warn eee eene nnn nare nnn 11 Command 138 Set Alarm ppm meter Level eiiis 11 Command 139 Rese E 12 Command 141 Set Relay Alarm Configuration 12 Command 142 Reset Event Happened flag ccccccccccccsseecseccceessseeeeecccssessusceceeecessessaaeeeeeessssaaaaees 13 Command 143 Read Event Logging 13 Command 144 Clear Event Logging 14 Command 145 Read Warning Event 14 Command 146 Read Alarm Event 9 15 Command 147 Read Fault Event LOG ccccccccccccssseeeeecescccseeeceeeccesesaseessecceesesueeesececessssuaeeseeeeessnsaaas 15 Command 148 Read Maintenance Event 16 Command 149 oO E 17 Gommand 150 Read COCK q 17 EM HEN GENERAL MONITORS IR5500 HART Command 151 Set Run Time
5. 60 seconds Request Data Bytes Format Description Unsigned 8 AO beam block delay time Format Description Unsigned 8 AO beam block delay time 23 9 GENERAL MONITORS IR5500 HART Command Specific Response Codes 5 000 _ 8 HE E Too Few Data Bytes Received 6 127 Undefined Command 170 Set Current Range This sets the current range to be either one of 2 possible selections Request Data Bytes Format Description gt 0 Unsigned 8 0 Range 3 5mA 20mA 1 Range 1 25 20mA Format Description _ Unsigned 8 0 Range 3 5mA 20mA 1 Range 1 25 20mA undefined Command 191 End Alignment This sends a request to the end alignment Request Data Bytes 00 M 24 GENERAL MONITORS IR5500 HART Command Specific Response Codes No Command Specific Errors Device Specific Command Error Undefined 16 Access Restricted 17 127 Undefined Command 195 Do Gas Check This sends a request to the active unit to put the unit to Gas Check mode Request Data Bytes Format Description Format Description N A Command Specific Response Codes Code Description Description 0 Success __ No Gommand Specife Enos gt e 7347 Undefred Command 197 Do Align This sends a request to the active unit to put the unit to Align mode
6. 7 4 2 1 Analog Output Lower Explosive Limit Meter esses 7 4 3 LOCAL INTERFACES JUMPERS AND SWITCHES 7 4 9 1 Local Controls And Displays et rna oen t 7 4 32 doemabldumpersJAndoWICH8S Gp x ERAS ONLINE 7 50 DEVICE VARIABLES m 7 60 DYNAMIC VARIABLES a EDO Aene A air Duc 7 6 1 PRIMARY VARIABLE LOWER EXPLOSIVE LIMIT METER 7 6 2 SECONDARY VARIABLE GAS READING IN PART PER MILLION METER 7 6 3 TERTIARY AND QUATERNARY VARIABLES ANALOG OUTPUT 7 6 4 QUATERNARY VARIABLES NOT APPLICABLE ssssssseeeeeeceeceeceeeeececceaaaeesssseeeeeceeeeeeeeesseeseaaaaaaeeees 7 7 0 STATUS INFORMATION a d os tsa ececccsasaesegersstreonwes ses TUE csacdevccussaeieueusetseouwussoarusdossauuaense 8 90 UNIVERSAL COMMANDS 2 9 9 0 COMMON PRACTICE COMMANDS 9 9 1 SUPPORTED COMMANDS 9 92 RS M D 9 GATCH DEVICE VARIABLE SEDE 9 10 0 DEVICE SPECIFIC
7. GENERAL MONITORS Infrared Open Path Gas Detector HART Field Device Specification CUST pY E o eR ISO 900 b 4 e rer cY The information and technical data disclosed in this document may be used and disseminated only for the purposes and to the extent specifically authorized in writing by General Monitors Ps M Instruction Manual 10 10 General Monitors reserves the right to change published specifications and designs without prior notice MANIR5500H Part No MANIR5500H Revision A 10 10 GENERAL MONITORS IR5500 HART This page intentionally left blank S AA Hm GENERAL MONITORS IR5500 HART Table of Contents 10 INTRODUCTION eM ec n eui 6 7a OPP 6 PF 6 123 _ HEFERENCES 6 20 DEVICE 6 3 0 PRODUCT 6 4 0 PRODUCT INTERFACES cccceecccccecescsssnnnnnnseeeeeeeeeeeeeeeeeeeeoconnnnaseeeeseeeeeeeeeeeoooonnnnnssseeseeees 7 4 1 ROG Sos dci MT Emm 7 Gta EMEEE 01 0 di0e EE nEEEE 7 42 THOS T UNV SRA
8. 11 2 IR5500 OPERATING MODE PV VALUES 27 11 3 FAULT EVENT LOG CAUSE DESCRIPTION 28 11 4 SAMPLING RATES 28 11 5 PONER UP 29 11 6 DEVICE RE 29 11 7 j gt RE 29 11 8 COMMAND RESPONSE DELAY eccsecceceseeceeececceecauccueeauccueeneeaueceeeauecesauecesaeesueeauesuecauesueeaeeseesass 29 11 9 BUSY AND DELAYED RESPONSE cee III III meme nehmen inre re eese RARA CAPAPA re re rens 29 11 10 JONGMESSAGES URN tub DINER LIC URN 29 11 11 NoN VOLATILE MEMORY ceee III I Im mIm mI nme ne eme ne re ense ne insere re eese rens 29 11 12 OPERATING MODES c ER 29 11 13 WRITE ERa CE 29 ANNEX A CAPABILITY 30 ANNEX B DEFAULT 30 ANNEX B DD MENU
9. Request Data Bytes Format Description N A 25 OF GENERAL MONITORS IR5500 HART Command Specific Response Codes No Command Specific Errors 26 GENERAL MONITORS IR5500 HART 11 0 Tables 11 1 1R5500 Device Specific Commands Summary The following Table 4 is a summary of the IR5500 Device Specific Commands The Reg values in the Meaning Column denote the corresponding Modbus Register Table 4 IR5500 Device Specific Commands 131 DOAb0M 136 J JjSetAlamLELmHiLevel 137 Alarm LEL m Lo Warn Level 138 SetAlarm ppm m Level Z o o 139 ResetAlarms 141 Set Relay Alarm Configuration 12 J Reset Event Happening Flag 143 Read Event Logging Counters amp 14 Clear Event Logging Counters 145 Read Warning Event Log o Z 146 ReadAlarm EventLog 147 Read Fault Event Log 18 Read Maintenance Log 149 150 X Read Clock 151 SetRunTimeMetr O Z 152 Read Time Meter 154 Eventindex 15 JReadEvetlndx 1156 ReadCalbraionEv
10. Response Codes 0 Success No Command Specific Errors 1 127 Undefined Command 141 Set Relay Alarm Configuration This sets relay or alarm configuration Request Data Bytes Format Description Alarm ppm Relay La nL 0 nL 1 LA Format Description Unsigned 8 Alarm LEL Hi Relay La nL 0 nL 1 LA Unsigned 8 Alarm LEL Hi Relay En dE 0 dE 1 En Unsigned 8 Alarm LEL Lo Relay La nL 0 nL 1 LA 3 Unsigned 8 Alarm LEL Lo Relay En dE 0 dE 1 En 12 GENERAL MONITORS IR5500 HART Unsigned 8 Alarm ppm Relay La nL 0 nL 1 LA Unsigned 8 Alarm ppm Relay En dE 0 dE 1 En Command 142 Reset Event Happened flag Request Data Bytes Undefined NEN Command 143 Read Event Logging Counters Reads the 5 event logging counters Request Data Bytes Format Description Unsigned 16 Warning Event Counter Unsigned 16 Alarm Event Counter 13 GENERAL MONITORS IR5500 HART Unsigned 16 Fault Event Counter Unsigned 16 Maintenance Event Counter Unsigned 16 Calibrate Event Counter Command Specific Response Codes 0 Success No Command Specific Errors 1127 Undefined Command 144 Clear Event Logging Counters This resets the 5 event logging counters in the active head to zero Hequest Data Bytes Bye Format Description gt gt gt Hesponse Data Bytes Command Specific Response Codes 0 Su
11. ENERAL MONITORS IR5500 HART Command Specific Response Codes 0 Success No Command Specific Errors 1227 Undefined Command 151 Set Run Time Meter This sets the internal run time meter Request Data Bytes Format Description Unsigned 32 Run Time Meter Value Format Unsigned 32 Run Time Meter Value Command Specific Response Codes 0 Success No Gommand Specite Eros gt gt Too Few Data Bytes Received 6 127 Undefined Command 152 Read Run Time Meter This reads the internal run time meter Request Data Bytes Format Response Data Bytes Bye Format Descipion O Unsigned 32 Run Time Meter Value Command Specific Response Codes 0 Suces No Command Specific Errors 1127 Undefined 18 Me GENERAL MONITORS IR5500 HART Command 154 Set Event Index This sets the index of logged event to read 0 latest event Unsigned 8 Sets index of logged event to read using commands 143 146 Range 0 9 Hesponse Data Bytes Bye Description Unsigned 8 Event Index Command Specific Response Codes Description 0 Success NoCommand Speciic Enos ee Command 155 Read Event Index This reads event logged index Request Data Bytes Request Data Bytes Byte __ Description Response Data Bytes Byte Description Command Specific Resp
12. Model IR5500 can be checked by placing a Test Gas Filter in front of the Receiver unit It is also relatively maintenance free requiring only a periodic cleaning of the windows to assure dependable performance The Model IR5500 Infrared Open Path System GENERAL MONITORS IR5500 HART continuously monitors hydrocarbon gases in both the O to 5000 ppmemeter and 0 to 5 LEL meter range for methane It provides two 4 to 20 mA analog signals proportional to each of the above ranges in addition to a digital display and an A3 LEL meters Alarm A2 LEL meters Warn A1 ppmemeters Warn and FAULT relay contacts 4 0 Product Interfaces 41 Process Interface This section describes all interfaces between the devices and the measured process 4 1 1 Sensor Input Channels 4 2 Host Interface The HART interface uses the 4 20 mA current loop Refer to the Installation Manual for connection details 4 2 1 Analog Output Lower Explosive Limit Meter LEL m The primary variable is proportional to the lower explosive limit meter A 4 0 mA output current corresponds to zero LEL m 20 0 mA output current corresponds to 100 of full scale 4 3 Local Interfaces Jumpers and Switches Refer to the Installation Manual for connection details 4 8 1 Local Controls and Displays Local controls and displays are described in the IR5500 User Manual 4 3 2 Internal Jumpers and Switches There are no internal jumpers or switches in the IR5500 unit 5 0 Device Variables
13. There are no device variables exposed to the user 6 0 Dynamic Variables There are there Dynamic Variables exposed to the user 6 1 Primary Variable Lower Explosive Limit Meter LEL m The primary variable is proportional to the lower explosive limit A 4 0 mA output current corresponds to zero LEL 20 0 mA output current corresponds to 100 of full scale 6 2 Secondary Variable Gas Reading in Part per Million Meter ppm m Detected gas in ppm m 6 3 Tertiary and Quaternary Variables Analog Output mA The secondary variable is proportional to the part per million meter A 4 0 mA output current corresponds to zero ppm m 20 0 mA output current corresponds to 100 of full scale 6 4 Quaternary Variables Not Applicable There are none defined for the IR5500 product GENERAL MONITORS IR5500 HART 7 0 Status Information The priority error which is returned via bytes 0 and 1 of Common Practice Command 48 is shown in Table 2 Table 2 Error Status Information IR Close to Low Low Line Voltage Failed to Calibrate Failed to Zero Gas Check Timeout Over Temperature Setup Menu Fault Excess Negative Drift NVM Checksum Error These bits may be set at power up to indicate an instrument failure They may also be set by a failure detected during continuous background diagnostic testing GENERAL MONITORS IR5500 HART 8 0 Universal Commands Command 3 returns the current loop variable the primary variable the secondary var
14. ccess No Command Specific Errors 1227 Undefined Command 145 Read Warning Event Log This reads Warning Event Log as specified by the event log number Event 0 is the most recent event Event 1 is the one just before that and so forth Format Deseipion Hesponse Data Bytes Bye Format Unsigned 32 Event Running Time in Seconds Event Date Day Month Year 1900 Request Data Bytes 8 Event Minute 14 9 GENERAL MONITORS IR5500 HART 10 11 Unsigned 16 N A Head Number 12 13 Unisigned 16 Warning Code 0 LEL Warn 1 ppm Warn Command Specific Response Codes 0 Success No Command Specific Errors 1227 Undefined Command 146 Read Alarm Event Log This reads Alarm Event Log as specified by the event log number Event 0 is the most recent event Event 1 is the one just before that and so forth Request Data Bytes Bye Response Data Bytes Bye Description gt gt gt 0 3 __ 4 7 Unsigned 32 Event Running Time in Seconds Event Date Day Month Year 1900 Command Specific Response Codes 0 Success No Command Specific Errors 1127 Undefined Command 147 Read Fault Event Log This reads Fault Event Log as specified by the event log number Event 0 is the most recent event Event 1 is the one just before that and so forth _ 46 7 Uns
15. e 14 Real Time Clock Hour 15 Real Time Clock Minute 16 Real Time Clock Second QU Total in Seconds 185500 Event Log Menu 1 Warn Event Total 2 Event Log Menu 3 Alarm Event Total 4 Alarm Event Log Menu 5 Fault Event Total 6 Fault Event Log Menu 7 Maint Event Total 8 Maint Event menu 9 Calibration Event Total 10 Calibration Event Menu 11 Clear Events Basic Setup Menu 1 Tag 2 Long Tag 3 Device Information Menu Detailed Setup Menu 1 Output Condition Menu 2 Device Information Menu Review Menu 1 Model 2 Write Protect 3 Manufacturer 4 Dev ID 5 Tag 6 Long Tag 7 Descriptor 8 Message 9 Date 10 Final Asmbly Num 11 Universal Rev 12 Fld Dev Rev 13 Software Rev 14 Poll Addr 15 Loop Current Mode 16 Num Reg Preams 17 Num Resp Preams lt eie Event Log Menu 1 Warning Total 2 Select Log Index 3 Running Time 4 Event Date 5 Event Hour 6 Event Minute 7 Event Sec Fault Log Menu B 1 Fault Total 2 Select Log Index 3 Running Time 4 Event Date 5 Event Hour 6 Event Minute 7 Event Sec 8 Event Cause 4 a Maint Log Menu 1 Maint Total 2 Select Log Index 3 Running Time 4 Event Date 5 Event Hour 6 Event Minute 7 Event Sec 8 Event Cause 4 4 Device Information Men
16. e the analog output is set to 1 25 or 3 5mA After the self test is satisfactorily completed the unit sets the PV to a value representing the mode of the instrument 11 6 Device Reset The IR5500 cannot be reset by any command The unit only resets when power is cycled 11 7 Self Test The IR5500 goes through a self test upon power cycle Should any of the tests fail the unit immediately reports a fault condition 11 8 Command Response Delay The IR5500 responds as follows Response Response Type Time Typical 50 5 Table 8 Command Response Times 11 9 Busy and Delayed Response The IR5500 does not use delayed response times 11 10 Long Messages The largest data field used by the IR5500 is in response to Command 21 34 bytes including the two status bytes 11 11 Non Volatile Memory The IR5500 uses external NVM to hold the device s configuration parameters New data is written to this memory immediately on execution of a write command 11 12 Operating Modes The IR5500 reports lower explosive limit meter LEL m and part per million meter ppm m detected Various other modes are supported related to the calibration of the instrument 11 13 Write Protection The IR5500 does not support any write protection mode 29 GENERAL MONITORS IR5500 HART Annex A Capability Checklist Wan 84 ooo _ DS Bis ofadcionaldevoestaus Table 9 Capability Checklist Annex B Default Con
17. ent 163 Read Fast Changing Information 164 Read Slow Changing Information 166 Read Setup Information amp 166 Read System FW Rev Z 167 Set Beam Block Delay Time 168 Set AO Beam Block Delay Time 170 Set Current Range 191 Ed Aig 195 DoGasCheck o 190 1 Do Ag 11 2 185500 Operating Mode PV Values The following Table 5 is a summary of the IR5500 Operating Mode Values Operating Mode Value in Decimal RUNNING A ee CALIBRATION ZEROING 4 CAL IN PROCESS B O 27 GENERAL MONITORS IR5500 HART Operating Mode Value in Decimal 16 O APPLY GAS REMOVE GAS STARTUP GAS CHECK ZERO CAL Table 5 IR5500 Operating Mode Values lt blank gt 0000 00 00000000 00 0 ppnmWam 9 jJ 1 Table 6 195500 Operating Sub Modes 11 3 Fault Event Log Cause Description The following Table 7 describes the cause as reported by the read event log commands Cause Bits Table 7 Fault Event Log Cause Description Performance 11 4 Sampling Rates The IR5500 samples each detector at 1 msec intervals 28 GENERAL MONITORS IR5500 HART 11 5 Power up On power up the IR5500 executes a self test procedure unit displays SU which requires approximately 2 minutes During this tim
18. est Data Bytes 21 9 GENERAL MONITORS IR5500 HART Response Data Bytes Unsigned 8 Gas ID 100 Methane 101 Propane NFPA 114 Methane IEC 115 Propane IEC Alarm LEL m level 26 of FS 7 Alarm LEL m Relay La nL 0 nL 1 LA Alarm Warn LEL m level of FS 10 Alarm Warn LEL m Relay La nL 0 nL 1 LA 12 Warn ppm m level 95 of FS 13 Warn ppm m Relay La nL 0 nL 1 LA I 20 k 21 22 23 24 m a 28 _ 8 LE _ 8 EUN _ 12 _ 18 _ U _ 15 _ 16 _ 18 19 Unsigned8 0 Unsigned8 0 0 Command Specific Response Codes No Command Specific Errors 1127 Undefined Command 166 Read System Firmware Rev This command read the system firmware revision Request Data Bytes 22 GENERAL MONITORS IR5500 HART Response Data Bytes Format Description gt Unsigned 8 System Firmware Revision ASCII code No Command Specific Errors Command 167 Set Beam Block Delay This sets the beam block delay time from 0 60 minutes Request Data Bytes Byte Format 0 Unsigned 8 Beam block delay time Response Data Bytes Format Description Unsigned 8 Beam block delay time Success No Command Specific Errors Undefined Undefined Too Few Data Bytes Received Passed Parameter Too Large Undefined Command 168 Set Analog Output Beam Block Delay This sets the current beam block delay time from O
19. figuration Fault indication jumper Write protect jumper Number of response preambles Table 10 Default Configuration eT 30 GENERAL MONITORS Annex B DD menu diagram de IR5500 Root Menu 1 Device Setup Menu 2 Service Menu 3 Gas ID 4 LEL m Full Scale 5 Mode 6 Sub Mode 7 Primary Variable LEL m 8 Loop Current 9 Secondary Variable PPM m 10 Tertiary Variable second Ao for PPM m 11 Error Status d Device Setup Menu 1 Diagnostic Menu 2 IR5500 Setup Menu 3 IR5500 Event Menu 4 Basic Setup Menu 5 Detailed Setup Menu 6 Review Menu d Service Menu 1 Gas Check Menu 2 Alignment Menu 3 Reset Alarm L 4 Gas Check Menu 1 Gas Check 2 Abort 3 LEL m 4 PPM m 5 Mode 6 Sub Mode 7 Error Status 4 N Align Menu 1 Align 2 aj Number 3 End Align 4 Mode 5 Sub Mode 4 Diagnostic Menu 1 Supply Voltage 2 Unit Temperature 3 Beam Block 4 Power Cycle Flag 5 Error bits a G IR5500 Setup Menu 1 Warning LEL m Level 2 Alarm LEL m Level 3 Alarm PPM m Level 4 Warning LEL m Latch 5 Warning LEL m DE En 6 Alarm LEL m Latch 7 Alarm LEL m DE En 8 Alarm PPM m Latch 9 Alarm PPM m DE En 10 Beam Block Delay 11 Ao Beam Block Delay 12 Current Range 13 Real Time Clock Dat
20. gned8 Eventhour ______ _ 8 3 6 Request Data Bytes 15 9 GENERAL MONITORS IR5500 HART Response Data Bytes Bye Fomat Description gt gt gt Unsgneds O 9 Unsgneds Evert Second 3 6 12 13 Unsigned 16 Event Cause See device specific table Command Specific Response Codes 0 Suces No Command Specific Errors 1427 Undefined Command 148 Read Maintenance Event Log This reads Maintenance Event Log as specified by the event log number Event 0 is the most recent event Event 1 is the one just before that and so forth Format Description Response Data Bytes Bye Format Desorption Unsigned 8 Event Log Number 3 Unsigned 32 Event Running Time in Seconds 6 Request Data Bytes o Unione 0 3 _ Unsgneds evetse OO ott 0 gt 12 13 Unsigned 16 Maintenance Code 0 Gas Check 3 Alignment Command Specific Response Codes 0 Success No Command Specific Errors 1 127 Undefined 16 OF GENERAL MONITORS IR5500 HART Command 149 Set Clock This sets the internal real time clock Request Data Bytes Format Description Command 150 Read Clock This reads the internal real time clock setting Request Data Bytes Bye Format gt gt gt Response Data Bytes Ble Format Description gt gt gt Date Day Month Year 1900 17 9 G
21. iable and the tertiary variable for a total of 19 bytes returned Command 9 returns the PV the SV and TV 9 0 Common Practice Commands The following common practice commands are implemented 91 Supported Commands The following common practice commands shown in Table 3 are implemented Command Byte Number Number Reset Changed Flag Command 38 Command 48 u Returns Priority Error Status High Byte See Fault table 3 Command 48 Returns Priority Error Status Low Byte See Fault table 3 Command 48 Returns Error Status High Byte See Fault table 3 commansas 6 Value 0 All OK Bit 0 Maintenance Required Bit 1 Fault Table 3 185500 Supported Common Practice Commands 9 2 Burst Mode The IR5500 does not support Burst Mode 9 3 Catch Device Variable This Field Device does not support Catch Device Variable A M GENERAL MONITORS IR5500 HART 10 0 Device Specific Commands The Device Specific commands are used strictly for the unique features of the IR5500 and at the discretion of General Monitors They are described here in section 10 0 and are summarized in Table 4 Command 131 Do Abort This sends a command to set active head to run mode Request Data Bytes Bye Format Desorption gt gt gt Response Data Bytes Bye Format Description gt gt gt Command Specific Response Codes 0 Sues No GommandSpecifc Eros 6 tmr Device Specific Command gt
22. n in a process and its complete support in HART capable Host Applications 1 2 Purpose This specification is designed to complement the IR5500 Instruction Manual by providing a complete description of this field device from a HART Communications perspective This specification is designed to be a technical reference for HART capable host application developers system integrators and knowledgeable end users 1 3 References DOCUMENT NAME DOCUMENT RELATIONSHIP RELATIONSHIP HART ELLA NEL is used to insure compliance with the HART Protocol Specifications Communication Protocol IR5500 Instruction This is the General Monitors Inc IR5500 Product Manual Instruction Manual 2 0 Device Identification The following Table 1 is the Field Device Identification Data for the instrument Table 1 Field Device Identification Data Manufacturer s General Model Number Name Monitors Inc HART ID Code 223 DF Hex ee 135 87 Hex HART Protocol Device Revision Revision 09 o o Device Variables Supported lu Category 3 0 Product Overview The Model IR5500 Infrared Open Path System is a microprocessor based hydrocarbon gas detector Figure 13 The system consists of an IR Source unit and a Receiver unit that may be placed from 5 150 meters apart The General Monitors Model IR5500 is calibrated at the factory and needs no further calibration The sensitivity of the
23. onse Codes 0 Success No Command Specific Errors 1127 Undefined 19 9 GENERAL MONITORS IR5500 HART Command 156 Read Calibration Event Log This reads Maintenance Event Log as specified by the event log number Event 0 is the most recent event Event 1 is the one just before that and so forth Hequest Data Bytes Bye Format peserpton gt gt gt Response Data Bytes Byte Format Description gt gt gt 9 Evert Second Command Specific Response Codes 0 Success No Command Specific Errors 1227 Undefined Command 163 Read Fast Changing Information This reads the fast changing information from the active head Hequest Data Bytes Bye Format Description gt gt gt Response Data Bytes Bye Format Description _ Unsigned 16 Sub Mode oo Analog Output reflect to LEL m level 9 9 20 Q GENERAL MONITORS IR5500 HART Command Specific Response Codes 0 Success No Command Specific Errors 1127 Undefined Command 164 Read Slow Changing Information Request slow changing information from the active head Bye Format Description Response Data Bytes Bye Format Deen on OO Command Specific Response Codes 0 Success No Command Specific Errors 1127 Undefined Command 165 Read Setup Information Hequest setup information from the active head Hequ
24. u 1 Manufacturer 2 Model 3 Dev ID 4 Config Change Count 5 Tag 6 Long Tag 7 Date 8 Write Protect 9 Descriptor 10 Message 11 Final Asmbly Num 12 Revision 5 Menu b Output Condition Menu 1 Analog Output Menu 2 HART Output Menu 31 IR5500 HART Alarm Event Log Menu 1 Alarm Total 2 Select Log Index 3 Running Time 4 Event Date 5 Event Hour 6 Event Minute 7 Event Sec b D Calibration Log Menu 1 Cal Total 2 Select Log Index 3 Running Time 4 Event Date 5 Event Hour 6 Event Minute 7 Event Sec 8 Event Cause d Revision 5 Menu 1 Universal Rev 2 Fld Dev Rev 3 Software Rev 4 System FW Rev Analog Output Menu 1 Loop Current 2 Loop Current Mode HART Output Menu 1 Poll Address 2 Num Req Preams 3 Num Resp Preams
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