Meridian - HART Protocols
Contents
1. 2013 Page 33 of 47 10 21 Command 228 Read Sensor Information Calibration Read sensor calibration information Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 1 4 Float Current Calibration Factor 1 8 11 Float Current Calibration Factor 2 15 18 Float Current Calibration Factor 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 34 of 47 10 22 Command 229 Zero and Span Sensors Zero and span calibrate sensors Request Data Bytes Byte Format Description 0 U8 Sensor 1 zero T F 1 U8 Sensor 1span T F 2 U8 Sensor 2 zero T F 3 4 U8 Sensor 2span T F U8 Sensor 3 zero T F 5 U8 Sensor 4span T F Response Data Bytes Byte Format Description 1 4 Float Current Calibration Factor 1 8 11 Float Current Calibration Factor 2 15 18 Float Current Calibration Factor 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 35 of 47 10 23 Command 230 Set System Inhibit Put the transmitter into System Inhibit Request Data Bytes Byte Format Description Enable Inhibit 1 or Disable Inhibit 0 Response Data Bytes Byte Format Description None Command Specific Response Codes Code Class Description 0 Success No Comma2. 208 Read Transmitter Editor Parameters 209 Set Transmitter Editor Parameters 210 Read Sensor Information General 211 Read Sensor Information Detailed 212 Read Sensor Information Dates 213 Read Sensor Information Live 214 Backup Restore Transmitter Parameters 220 Read Sensor Setup General 221 Set Sensor Setup General 222 Read Sensor Setup Calibration 223 Set Sensor Setup Calibration 224 Read Sensor Setup Alarms 225 Set Sensor Setup Alarms 226 Read Sensor Names 227 Set Sensor Names 228 Read Sensor Calibration Information 229 Zero amp Span Sensors 230 Set System Inhibit 231 Alarm Acknowledge 232 Read Sensor Offline Parameters 233 Set Sensor Offline 234 Read Loop Trim Parameters 235 Set Loop Trim Parameters Revision 1 0 Release Date 30 August 2013 Page 10 of 47 10 1 Command 203 Read Transmitter Information Read the transmitters basic information Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 15 String TX Name 16 29 String TX Serial Number 30 37 String TX Model Number 38 41 String TX Code Version 42 44 HART date Current Date 45 48 HART time Current Time Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 11 of 47 10 2 Command 204 Read Transmitter Alarm Parameters Read the transmitter alarm parameters Request Data
3. 1 0 Release Date 30 August 2013 Page 46 of 47 ANNEX C REVISION HISTORY Al Rev 1 0 Initial release Revision 1 0 Release Date 30 August 2013 Page 47 of 47
4. 2 1 Display Negative 2 Command Specific Response Codes Code Class Description U16 U8 i U8 16 i 7 8 9 7 8 9 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 25 of 47 10 15 Command 222 Read Sensor Setup Calibration Read sensor calibration parameters Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 3 Float Calibration Gas Concentration 1 11 14 Float Calibration Gas Concentration 2 22 25 Float Calibration Gas Concentration 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 26 of 47 10 16 Command 223 Set Sensor Setup Calibration Set sensor calibration parameters Request Data Bytes Byte Format Description 11 14 Float Calibration Gas Concentration 2 22 25 Float Calibration Gas Concentration 3 Response Data Bytes Byte Format Description 0 3 Float Calibration Gas Concentration 1 4 6 8 Calibration Period 1 5 7 Inhibit Timer 1 9 Purge Timer 1 11 14 Float Calibration Gas Concentration 2 U16 Ul6 Ul6 Ul6 Ul6 Ul6 Revision 1 0 Release Date 30 August 2013 Page 27 of 47 22 25 Float Calibration Gas Concentration 3 26 27 Ul6 Calibration Period 3 28 29 Ul6 Inhibit Timer 3 30 31 Ul6 Purge Timer 3 32 U8 Gas Range Index 3 Command Specific Respon
5. 3 Ul6 Zero Offset 3 34 U8 Sensor Life 3 35 U8 Cal Required 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 19 of 47 10 10 Command 212 Read Sensor Information Dates Read sensor calibration dates Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 2 HART date Mfg Cal date 1 3 5 HART date Install Cal Date 1 6 8 HART date Prior Cal Date 1 9 11 HART date Current Cal Date 1 12 14 HART date Mfg Cal date 2 15 17 HART date Install Cal Date 2 18 20 HART date Prior Cal Date 2 21 23 HART date Current Cal Date 2 24 26 HART date Mfg Cal date 3 27 29 HART date Install Cal Date 3 30 32 HART date Prior Cal Date 3 33 35 HART date Current Cal Date 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 20 of 47 10 11 Command 213 Read Sensor Information Live Read sensor live information Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 3 Float Gas Concentration 1 4 5 Ul6 Voltage 1 6 9 Float Temperature 1 10 11 Ul6 Gas A D 1 12 15 Float Gas Concentration 2 16 17 Ul6 Voltage 2 18 21 Float Temperature 2 22 23 Ul6 Gas A D 2 24 27 Float Gas Concentration 3 28 29 Ul6 Voltage 3 30 33 Float Temperature 3 34 35 Ul6 Ga
6. Alarm 1 Set Point 2 28 31 Float Alarm 1 Reset Point 2 32 35 Float Alarm 2 Set Point 2 36 39 Float Alarm 2 Reset Point 2 40 43 Float Alarm 3 Set Point 2 44 47 Float Alarm 3 Reset Point 2 48 51 Float Alarm 1 Set Point 3 52 55 Float Alarm 1 Reset Point 3 56 59 Float Alarm 2 Set Point 3 60 63 Float Alarm 2 Reset Point 3 64 67 Float Alarm 3 Set Point 3 68 71 Float Alarm 3 Reset Point 3 Response Data Bytes Byte Format Description 0 3 Float Alarm 1 Set Point 1 4 7 Float Alarm 1 Reset Point 1 8 11 Float Alarm 2 Set Point 1 12 15 Float Alarm 2 Reset Point 1 16 19 Float Alarm 3 Set Point 1 20 23 Float Alarm 3 Reset Point 1 24 27 Float Alarm 1 Set Point 2 Revision 1 0 Release Date 30 August 2013 Page 30 of 47 28 31 32 35 36 39 40 43 44 47 48 51 52 55 56 59 60 63 64 67 68 71 Float Float Float Float Float Float Float Float Float Float Float Alarm 1 Reset Point 2 Alarm 2 Set Point 2 Alarm 2 Reset Point 2 Alarm 3 Set Point 2 Alarm 3 Reset Point 2 Alarm 1 Set Point 3 Alarm 1 Reset Point 3 Alarm 2 Set Point 3 Alarm 2 Reset Point 3 Alarm 3 Set Point 3 Alarm 3 Reset Point 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 31 of 47 10 19 Command 226 Read Sensor Names Read sensor name fields Request Data Bytes Byte Format Description Response Data B
7. Bytes Byte Format Description Response Data Bytes Byte Format Description 0 U8 Alarm logic 1 1 2 Ul6 Alarm off time delay 1 3 U8 Alarm logic 2 4 5 Ul6 Alarm off time delay 2 6 U8 Alarm logic 3 7 8 U16 Alarm off time delay 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 12 of 47 10 3 Command 205 Set Transmitter Alarm Parameters Write the transmitter alarm parameters Request Data Bytes Byte Format Description 0 U8 Alarm logic 1 1 2 Ul6 Alarm off time delay 1 3 U8 Alarm logic 2 4 5 Ul6 Alarm off time delay 2 6 U8 Alarm logic 3 7 8 U16 Alarm off time delay 3 Response Data Bytes Byte Format Description 0 U8 Alarm 1 logic 1 2 Ul6 Alarm 1 off time delay 3 U8 Alarm 2 logic 4 5 U16 Alarm 2 off time delay 6 U8 Alarm 3 logic 7 8 U16 Alarm 3 off time delay Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too few data bytes Revision 1 0 Release Date 30 August 2013 Page 13 of 47 10 4 Command 206 Read Transmitter Date amp Time Read the transmitters current date and time Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 2 HART date Current date 3 6 HART time Current time Command Specific Response Codes Code Class Description 0 Suc
8. HARTO Field Device Specification Meridian wiredHART 4320 Goldmine Rd Monroe NC 28110 USA O HART is a registered trademark of the HART Communication Foundation TABLE OF CONTENTS To ns AAA nu eaten eae ae ee 5 Ll SCOPC iii a iedees aia Rae a casatnden E 5 WD SPUR OO A a a a a Ta et obecatsceneancecee 5 1 3 Who should usethis document oroe eor ean A E E totem saanies 5 1 4 Abbreviations and definitions inuit 5 Ter REFERENCES i e ER ee Be a A A NRA A AIR 5 De Device Identification Zesto iaie tansi a de eo o e Do 6 3 Product OVervie W sica ll R E EES 6 A PEOGUCL Interfaces as ize toa sata e E aS ince 6 4 1 Process Interface cages Mars ait else Oi want a cing cane N Nara ait cs del Filial wna ad ede 6 4 1 1 a A A 6 AD A Slee eand hau E Sea a eel Lie ee ac a ad 6 4 2 1 Analog Output 1 Gas Concentration 0 00 ceeseceecceceecceceseeeceeeeeesseeeesaeereneeeesaees 6 4 3 Local Interfaces Jumpers and WU da 7 4 3 1 Local Controls and DiSplayS cocina nanona iini ena 7 4 3 2 Internal Jumpers and Switches ii 7 3 Deyice Variables e on A a ee ais leh E ean let a ehs 7 6 Dynamic Variable inician L E aE TE tS 7 Status INSTA ION IA A AA AAA A E 7 TL Device Statis SS cate GG riae Grete e Bac e e ea ee Seah cede ges ts et ieas 7 ded Extended Device Stat S 1 28 ic ersin id 8 7 3 Additional Device Status Command 48 ooooooocccnnnonaoonannnononnonononnononononcononaonnnno no nnnnnccnonnnns 8 Oa Unive
9. Sensor Offline iia bad 39 10 27 Command 234 Read Loop Trim Parameters cceesccesseeceeeeeceeececeeneeceeeeeeseeeeesaeees 40 10 28 Command 235 Set Loop Trim Parameter ooooconnnonccnnnnncnnnnnonnncanononanonnnocnonnnnnonnncnonanos 41 11 Performance lila 42 AA la e coo 42 A A A a a Ga ge a a esate a a ph dah ua Manette nesses aah 42 11 3 SOLE Te usina deans Sule T nae aie 42 LA Commiand Response Times sess a an gauss Sou ceded a E aa R aaaea 43 11 5 Busy and Delayed Gs POnse iio a rtea a es aask 44 11 6 Long Messages iii ies 44 Revision 1 0 Release Date 30 August 2013 Page 3 of 47 11 7 Non Volatile Mendiola 44 NSS INIGGES sat da 44 A A pineal oh cect te dts cue ae pais ne cinta a neat uti tenets 44 LAO Damping nn ang ii 44 Annex A Capability re a as 45 Annex B Def ultConfis ratioi sises Spans ays ghey dasedioanacs ii 46 Annex E Revision O os tsa aca eee es 47 Revision 1 0 Release Date 30 August 2013 Page 4 of 47 1 INTRODUCTION 1 1 Scope The Scott Safety Meridian 3 4 wire gas transmitter with WiredHART Rev 1 0 complies with HART Protocol Revision 7 5 This document specifies all the device specific features and documents HART Protocol implementation details e g the Engineering Unit Codes supported The functionality of this Field Device is described sufficiently to allow its proper application in a process and its complete support in HART capable Host Applications 1 2 Purpose This specifi
10. and the analog output will be set to the Inhibit level The analog output will stay in Inhibit level until sensor 1 has completed its warm up time or if a fault occurs If a fault occurs the output will switch to the fault level If no fault occurs the analog output will switch to active signaling mode 11 3 Reset Command 42 Device Reset causes the device to reset its microprocessor The resulting restart is identical to the normal power up sequence 11 4 Self Test Command 41 is not supported in the HART interface Self test is executed during the device initialization at power up and following Command 42 Device Reset The self test includes e Microprocessor e Oscillator drift e Transmitter input voltage e Sensor communications e RAM e Program ROM e Configuration storage EEPROM During device initialization at power up or reset the analog output is set to Inhibit level and the device will not respond to HART commands Continuous self testing is also part of the normal device operation The same checks are made but have no impact on HART communications Revision 1 0 Release Date 30 August 2013 Page 42 of 47 11 5 Command Response Times Minimum 20ms Typical SOms Maximum 100mS Revision 1 0 Release Date 30 August 2013 Page 43 of 47 11 6 Busy and Delayed Response The transmitter may respond with busy status if a further command is received while self test is underway Delayed resp
11. arameters Read sensor online offline status Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description S8 S8 8 4 Current Loop 3 4mA offset 5 S Current Loop 4 20mA offset Command Specific Response Codes 1 3 Current Loop 2 20mA offset Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 40 of 47 10 28 Command 235 Set Loop Trim Parameters Read sensor online offline status Request Data Bytes Byte Format Description S8 Current Loop 1 4mA offset S8 Current Loop 1 20mA offset S8 Current Loop 2 4mA offset S8 Current Loop 2 20mA offset S8 Current Loop 3 4mA offset S8 Current Loop 4 20mA offset Response Data Bytes Byte Format Description 0 S8 Current Loop 1 4mA offset 1 S8 Current Loop 1 20mA offset 2 S8 Current Loop 2 4mA offset 3 S8 Current Loop 2 20mA offset 4 S8 Current Loop 3 4mA offset 5 S8 Current Loop 4 20mA offset Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 41 of 47 11 PERFORMANCE 11 1 Sampling Rates The PV SV and TV are updated every 2 seconds 11 2 Power Up On power up the transmitter will go through an initialization sequence which takes approximately 15 seconds During this time the device will not respond to HART commands
12. cation is designed to compliment other documentation e g the Meridian User Guide 087 0049 by providing a complete unambiguous description of this Field Device from a HART Communication perspective 1 3 Who should use this document The specification is designed to be a technical reference for HART capable Host Application Developers System Integrators and knowledgeable End Users It also provides functional specifications e g commands enumerations and performance requirements used during Field Device development maintenance and testing This document assumes the reader is familiar with HART Protocol requirements and terminology 1 4 Abbreviations and definitions CPU Central Processing Unit of microprocessor EEPROM Electrically Erasable Read Only Memory ROM Read Only Memory 1 5 References HART Smart Communications Protocol Specification HCF_SPEC 12 Available from the HCF Meridian Universal Gas Detector User Manual 087 0049 Available from the Scott Safety Meridian Universal Gas Detector Communication Guide 087 0050 Available from Scott Safety Revision 1 0 Release Date 30 August 2013 Page 5 of 47 2 DEVICE IDENTIFICATION Manufacturer Name Scott Safety Model Name s Meridian Manufacture ID Code 6069 Hex Device Type Code E1D4 Hex HART Protocol Revision 7 5 Device Revision 1 Number of Device Variables None Physical Layers Supported FSK Physical Device Category Transmitter Non DC isolated Bus Dev
13. cess No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 14 of 47 10 5 Command 207 Set Transmitter Date amp Time Write the transmitters date and time Request Data Bytes Byte Format Description HART date Date HART time Time Response Data Bytes Byte Format Description 0 2 HART date Current date 3 6 HART time Current time Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too few data bytes Revision 1 0 Release Date 30 August 2013 Page 15 of 47 10 6 Command 208 Read Transmitter Editor Parameters Read the transmitter name latitude and longitude Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 15 String Transmitter name 16 25 String Transmitter latitude 26 35 String Transmitter longitude Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 16 of 47 10 7 Command 209 Set Transmitter Editor Parameters Write the transmitter name latitude and longitude Request Data Bytes Byte Format Description 0 15 String Transmitter name 16 25 String Transmitter latitude 26 35 String Transmitter longitude Response Data Bytes Byte Format Description 0 15 String Transmitter name 16 25 String Transmitter latitude 26 35 Stri
14. e oooocccnnncccnoncccnoncncnoncnonnncncnnncconanccnnnncno 21 10 12 Command 214 Backup Restore Transmitter ParameterS oooonncnnnnnonocnnocnnnonnnoncncnnncnnno 22 10 13 Command 220 Read Sensor Setup General ooococnnncccnoncccnoncccnoncnononanononcncnnnacononccinnnnnos 23 10 14 Command 221 Set Sensor Setup General ooooonococonocaconocccononanononacononocononacconannronanononanos 24 10 15 Command 222 Read Sensor Setup Calibrati0N ooooonnncccnoncccnoncccnoncnonnnnccnonnncnnnnccnnnnnos 26 10 16 Command 223 Set Sensor Setup CalibratlON ooonncccnnncccnnncccnononononccononcnononcncnonncnnnnnnos 27 10 17 Command 224 Read Sensor Setup AlarMS oooocccnnocccnoncccnonccononcnononononononononncnnnnncnnnnnnos 29 10 18 Command 225 Set Sensor Setup Alarms oooooconoccconococonoccnonncnnnonanonnnanonononononcncnnncncnnnnnos 30 10 19 Command 226 Read Sensor Names ici aa 32 10 20 Command 227 Set Sensor Names td add 33 10 21 Command 228 Read Sensor Information Calibrati0ON ooooconnnncccnoncccnonnnononcnonanccinnnnnos 34 10 22 Command 229 Zero and Span Sensors vivi ia ita 35 10 23 Command 230 Set System Inhibit 2 5 25 cssesisesdned soycatacs asada senceessoncendaspacsectereede ueeasenas 36 10 24 Command 231 Alarm Acknowledge cccesscccesscecescecesceecesneecsceecsceecseeecsseeeenseers 37 10 25 Command 230 Read Sensor Offline Settings 0 0 0 cece eeeseeceeneeeceeeeeceeeeeeeteeeeneeeeaees 38 10 26 Command 231 Set
15. ers and Switches 4 3 1 Local Controls and Displays Meridian has an onboard LCD screen that displays gas concentration as well as the devices configuration menu screens The device is operated using a magnet to activate switches to navigate and make selections in the menus Sensor calibration can also be performed 4 3 2 Internal Jumpers and Switches Two 2 jumpers on J3 of the Meridian power supply PCBA must be in the HART position Switch SW1 of the Meridian power supply PCBA must be in the NON position Refer to the Communication Guide for further information 5 DEVICE VARIABLES This Field Device does not expose any Device Variables 6 DYNAMIC VARIABLES Two Dynamic Variables are implemented Meaning Units Sensor 1 Gas Concentration TOLEL PPM or PPB Sensor 2 Gas Concentration TOLEL PPM or PPB Sensor 3 Gas Concentration TOLEL PPM or PPB 7 STATUS INFORMATION 7 1 Device Status Bit 2 Loop Current Saturated Set when the current is below 3 2mA or above 21 6mA Bit 3 Loop Current Fixed Set when the loop current mode is disabled Revision 1 0 Release Date 30 August 2013 Page 7 of 47 Bit 4 More Status Available Set when a fault is detected More status information is available via Command 48 Bit 5 Cold Start Set after a power cycle or Device Reset has occurred Bit 6 Configuration Changed Set when a HART command modifies the transmitter configuration and reset by HART Command 38 Bi
16. ice 3 PRODUCT OVERVIEW The Meridian Gas Transmitter 3 4 wire is a fixed point device designed to provide continuous monitoring of combustible LEL toxic and volatile organic chemicals The device receives inputs from up to three 3 Meridian detector bodies that accept the Meridian sensors Product Interfaces 4 PRODUCT INTERFACES 4 1 Process Interface 4 1 1 Sensor Input Channels The detector body accepts all of the Meridian sensors Refer to the User Guide for connection details Operating ranges correspond to the capabilities of each sensor type 4 2 Host Interface 4 2 1 Analog Output 1 Gas Concentration The two wire 4 to 20mA current loop is connected on two terminals marked LP1 and LP1 of TB2 of the Meridian Relay Terminal PCBA Refer to the User Manual for connection details This is the HART communications current loop of the transmitter representing gas concentration linearized and scaled according to the configured range of the sensor This output corresponds to the Primary Variable A linear over range is provided Device inhibit can be indicated by down scale or up scale current The current is user selectable Current values are shown in the table below Revision 1 0 Release Date 30 August 2013 Page 6 of 47 Values percent of Values mA full scale Linear over range 0 110 4 to 21 6 Device Fault 3 2 Device Inhibit 3 8 to 24 Multi Drop current 4 4 3 Local Interfaces Jump
17. nd Specific Errors 2 Error Invalid Selection 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 36 of 47 10 24 Command 231 Alarm Acknowledge Alarm acknowledge Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description None Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 37 of 47 10 25 Command 230 Read Sensor Offline Settings Read sensor online offline status Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description bit 3 Sensor 1 1 online 0 offline bit 4 Sensor 2 1 online 0 offline bit 5 Sensor 3 1 online 0 offline Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 38 of 47 10 26 Command 231 Set Sensor Offline Set sensor offline Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description bit 3 Sensor 1 0 set sensor offline bit 4 Sensor 2 0 set sensor offline bit 5 Sensor 3 0O set sensor offline Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 39 of 47 10 27 Command 234 Read Loop Trim P
18. ng Transmitter longitude Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too few data bytes Revision 1 0 Release Date 30 August 2013 Page 17 of 47 10 8 Command 210 Read Sensor Information General Read sensor general information Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 13 String Sensor 1 serial number 14 U8 Gas type 1 15 U8 Gas units 1 16 23 String Sensor model number 24 37 String Sensor 2 serial number 38 U8 Gas type 2 9 U8 40 47 String Sensor 2 model number 48 61 String Sensor 3 serial number 62 U8 Gas type 3 63 U8 Gas units 3 64 71 String Sensor 3 model number Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 18 of 47 10 9 Command 211 Read Sensor Information Detailed Read sensor detailed information Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 3 Float Current Cal Factor 1 4 7 Float Current Cal Temperature 1 8 9 Ul6 Zero Offset 1 10 U8 Sensor Life 1 11 U8 Cal Required 1 12 15 Float Current Cal Factor 2 16 19 Float Current Cal Temperature 2 20 21 U16 Zero Offset 2 22 U8 Sensor Life 2 23 U8 Cal Required 2 24 27 Float Current Cal Factor 3 28 31 Float Current Cal Temperature 3 32 3
19. onse is not used 11 7 Long Messages The largest data field used is in the response to Command 226 98 bytes including the two status bytes 11 8 Non Volatile Memory EEPROM is used to hold the device s configuration parameters New data is written to this memory immediately on execution of a write command 11 9 Modes Fixed current mode is implemented using Command 40 This mode is cleared by power loss or reset 11 10 Write Protection Not implemented 11 11 Damping No additional damping is provided beyond the sampling of the sensor Revision 1 0 Release Date 30 August 2013 Page 44 of 47 ANNEX A CAPABILITY CHECKLIST Manufacturer model and revision Scott Safety Meridian Rev1 0 Device type Transmitter HART revision 75 Device Description available Yes Number of sensors Up to 3 Number and type of host side signals 1 4 20mA analog Number of Device Variables 0 Number of Dynamic Variables 3 Mappable Dynamic Variables No Number of common practice commands 17 Number of device specific commands 2 Bits of additional device status 8 Alternative operating modes No Burst mode No Write protection No Revision 1 0 Release Date 30 August 2013 Page 45 of 47 ANNEX B DEFAULT CONFIGURATION Parameter Default value Lower Range Value 0 Upper Range Value Sensor specific Number of response preambles 5 Revision
20. rsal Commands iosia a a a Meese Eae oea E ai Eas 8 9 Common Practice Commands ita 8 DAL SUPPORT 8 92 A A gtauech EEr sass yeateuaesasates 8 93 Catch Device Y aa Si A ee A A A Be eee RE al ees 9 LO DEVICES PEO Command Ss a Ea 10 10 1 Command 203 Read Transmitter Information cceescceeseeceeeeeceeeeeceeeeecseeeeeeseeeeaees 11 10 2 Command 204 Read Transmitter Alarm Parameters ccesscecesceeceeececeeeeeeeneeeennees 12 Revision 1 0 Release Date 30 August 2013 Page 2 of 47 10 3 Command 205 Set Transmitter Alarm Parameters ooccccccncnininoncncnnononenanicnicicinononanininicos 13 10 4 Command 206 Read Transmitter Date amp Time oooconnccninccnonononononnononcnononann crac cr nan cono ncnnns 14 10 5 Command 207 Set Transmitter Date amp Time ooooncccnoccninccnonnconnnonnnonncnonononnnnnn con nconn anno 15 10 6 Command 208 Read Transmitter Editor Parameter oooooconnnococnoncccnoncncnnnnnononcccnnnccnnannnos 16 10 7 Command 209 Set Transmitter Editor Parameter ooooocnocccnoncccnoncnononcnononcnononnncnnnnccnnnnnos 17 10 8 Command 210 Read Sensor Information General oooconnncnnncninccnnnononcncnnncnoncnannnonn cono ncnnno 18 10 9 Command 211 Read Sensor Information Detailed ooococnnncccnoncccnoncccnoncnononnccnnnnacnnnnos 19 10 10 Command 212 Read Sensor Information Dates ooooonnccccnoncccnonaccnnonccononcnnnnnccnnnnccnannno 20 10 11 Command 213 Read Sensor Information Liv
21. s A D 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 21 of 47 10 12 Command 214 Backup Restore Transmitter Parameters Backup and restore transmitter parameters Request Data Bytes Byte Format Description Backup 0 or Restore 1 Response Data Bytes Byte Format Description None Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 2 Error Invalid Selection 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 22 of 47 10 13 Command 220 Read Sensor Setup General Read sensor general setup parameters Request Data Bytes Byte Format Description Response Data Bytes 1 4 Float Deadband 1 11 14 Float Deadband 2 21 24 Float Deadband 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 23 of 47 10 14 Command 221 Set Sensor Setup General Set sensor general setup parameters Request Data Bytes Byte Format Description 11 14 Float Deadband 2 21 24 Float Deadband 3 Response Data Bytes Byte Format Description 0 U8 Gas Range Index 1 1 4 Float Deadband 1 5 6 U16 Sensor Warmup Time 1 Revision 1 0 Release Date 30 August 2013 Page 24 of 47 11 14 Float Deadband 2 15 16 Sensor Warmup Time
22. se Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August 2013 Page 28 of 47 10 17 Command 224 Read Sensor Setup Alarms Read sensor alarms set and reset parameters Request Data Bytes Byte Format Description Response Data Bytes Byte Format Description 0 3 Float Alarm 1 Set Point 1 4 7 Float Alarm Reset Point 1 8 11 Float Alarm 2 Set Point 1 12 15 Float Alarm 2 Reset Point 1 16 19 Float Alarm 3 Set Point 1 20 23 Float Alarm 3 Reset Point 1 24 27 Float Alarm 1 Set Point 2 28 31 Float Alarm 1 Reset Point 2 32 35 Float Alarm 2 Set Point 2 36 39 Float Alarm 2 Reset Point 2 40 43 Float Alarm 3 Set Point 2 44 47 Float Alarm 3 Reset Point 2 48 51 Float Alarm 1 Set Point 3 52 55 Float Alarm 1 Reset Point 3 56 59 Float Alarm 2 Set Point 3 60 63 Float Alarm 2 Reset Point 3 64 67 Float Alarm 3 Set Point 3 68 71 Float Alarm 3 Reset Point 3 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 29 of 47 10 18 Command 225 Set Sensor Setup Alarms Set sensor alarms set and reset parameters Request Data Bytes Byte Format Description 0 3 Float Alarm 1 Set Point 1 4 7 Float Alarm 1 Reset Point 1 8 11 Float Alarm 2 Set Point 1 12 15 Float Alarm 2 Reset Point 1 16 19 Float Alarm 3 Set Point 1 20 23 Float Alarm 3 Reset Point 1 24 27 Float
23. t 7 Device Malfunction Set when the transmitter detects a fault 7 2 Extended Device Status Bit 1 Device Variable Alert This bit is set when the transmitter is in fault 7 3 Additional Device Status Command 48 Byte 8 Non volatile memory defect Byte 10 Analog Channels 1 2 amp 3 saturated Byte 13 Analog Channels 1 2 amp 3 fixed mode 8 UNIVERSAL COMMANDS Command 3 returns loop current and PV SV and TV Command 8 returns 90 for PV SV and TV Command 9 responds to host commands having up to and including 3 device variable codes Device variable 0 is the PV Device variable 1 is the SV Device variable 2 is the TV Command 14 returns sensor serial number as 0 9 COMMON PRACTICE COMMANDS 9 1 Supported Commands 40 Enter Exit Fixed Current Mode 42 Perform Master Reset 45 Trim DAC Zero 46 Trim DAC Gain 48 Read Additional Device Status 54 Read Device Variable Information 9 2 Burst Mode This Field Device does not support Burst Mode Revision 1 0 Release Date 30 August 2013 Page 8 of 47 9 3 Catch Device Variable This Field Device does not support Catch Device Variable Revision 1 0 Release Date 30 August 2013 Page 9 of 47 10 DEVICE SPECIFIC COMMANDS The following device specific commands are implemented 203 Read Transmitter Information 204 Read Transmitter Alarm Parameters 205 Set Transmitter Alarm Parameters 206 Read Transmitter Date amp Time 207 Set Transmitter Date amp Time
24. ytes Byte Format Description 0 15 String Sensor 1 Name 16 23 String Sensor 1 Gas Name Line 1 24 31 String Sensor 1 Gas Name Line 2 32 47 String Sensor 2 Name 48 55 String Sensor 2 Gas Name Line 1 56 63 String Sensor 2 Gas Name Line 2 64 79 String Sensor 3 Name 80 87 String Sensor 3 Gas Name Line 1 88 95 String Sensor 3 Gas Name Line 2 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors Revision 1 0 Release Date 30 August 2013 Page 32 of 47 10 20 Command 227 Set Sensor Names Set sensor name fields Request Data Bytes Byte Format Description 0 15 String Sensor 1 Name 16 23 String Sensor 1 Gas Name Line 1 24 31 String Sensor 1 Gas Name Line 2 32 47 String Sensor 2 Name 48 55 String Sensor 2 Gas Name Line 1 56 63 String Sensor 2 Gas Name Line 2 64 79 String Sensor 3 Name 80 87 String Sensor 3 Gas Name Line 1 88 95 String Sensor 3 Gas Name Line 2 Response Data Bytes Byte Format Description 0 15 String Sensor 1 Name 16 23 String Sensor 1 Gas Name Line 1 24 31 String Sensor 1 Gas Name Line 2 32 47 String Sensor 2 Name 48 55 String Sensor 2 Gas Name Line 1 56 63 String Sensor 2 Gas Name Line 2 64 79 String Sensor 3 Name 80 87 String Sensor 3 Gas Name Line 1 88 95 String Sensor 3 Gas Name Line 2 Command Specific Response Codes Code Class Description 0 Success No Command Specific Errors 5 Error Too Few Data Bytes Revision 1 0 Release Date 30 August
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