MSA Ultima MOS-5 - 1.0 Introduction; 1.2 Special Warnings

Ultima MOS-5 Detector
iii
4.5
HART........................................................................................................................................ 22
4.6 Gas Check Mode ..................................................................................................................... 23
4.6.1 Procedure for Checking the Calibration ...................................................................... 23
4.7 Calibration ................................................................................................................................ 24
4.7.1 Calibration Procedure ................................................................................................. 24
4.7.2 Aborting Calibration..................................................................................................... 25
4.7.3 Remaining Sensor Life ................................................................................................ 25
4.7.4 Initializing the Remaining Sensor Life ......................................................................... 26
4.8 Calibration Equipment .............................................................................................................. 26
4.8.1 Calibrating with a Breaker Bottle and Ampoules ........................................................ 26
4.8.2 Calibrating with an H
2
S Portable Purge Calibrator ..................................................... 26
5.0 MAINTENANCE ................................................................................................................... 28
5.1 General Maintenance ............................................................................................................... 28
5.2 Storage ..................................................................................................................................... 28
6.0 TROUBLESHOOTING ......................................................................................................... 29
6.1 Fault Codes and Their Remedies ............................................................................................ 29
6.1.1 F2 - Failed to Complete the Calibration ...................................................................... 29
6.1.2 F3 Flash Checksum Error ........................................................................................... 29
6.1.3 F4 - Sensor Heater Open Error or Sensor Amplifier Error .......................................... 29
6.1.4 F5 - Sensor Heater Shorted Error ............................................................................... 30
6.1.5 F6 - Low Supply Voltage ............................................................................................. 30
6.1.6 F7 - EEPROM Verification Failure .............................................................................. 30
6.1.7 F8 - Failure to Complete Setup ................................................................................... 30
6.1.8 F9 - Gas Check Period Exceeded .............................................................................. 31
6.1.9 F10 – Switch Error ...................................................................................................... 31
6.1.10 F11 Internal Error ........................................................................................................ 31
7.0 CUSTOMER SUPPORT ....................................................................................................... 32
7.1 MSA Office ............................................................................................................................... 32
8.0 MODBUS INTERFACE ........................................................................................................ 33
8.1 Baud Rate ................................................................................................................................ 33
8.2 Data Format ............................................................................................................................. 33
8.3 Modbus Read Status Protocol (Query/Response) ................................................................... 33
8.3.1 Modbus Read Query Message ................................................................................... 33
8.3.2 Modbus Read Response Message ................................................................................. 35
8.4 Modbus Write Command Protocol (Query/Response) ............................................................ 35
8.4.1 Modbus Write Query Message ................................................................................... 35
8.4.2 Modbus Write Response Message ............................................................................. 35
8.5 Function Codes Supported ...................................................................................................... 36
8.6 Exception Responses and Exception Codes ........................................................................... 36
8.6.1 Exception Response ................................................................................................... 36
8.6.2 Exception Code ........................................................................................................... 37
8.7 Ultima MOS-5 Intelligent Sensor Command Register Locations ............................................. 38
8.8 Ultima MOS-5 Intelligent Sensor Command Register Details ................................................. 41
8.8.1 Analog (00H) ............................................................................................................... 41
8.8.2 Mode (01H) ................................................................................................................. 41
8.8.3 Status/Error (02H) ....................................................................................................... 41