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Issued Mar-06 v
5.9
Dial-up Modem Communications Module......................................................................5-12
5.10 Multi-Variable Sensor (MVS) Interface Modules............................................................5-14
5.11 HART Interface Module .................................................................................................5-16
5.12 Related Specification Sheets.........................................................................................5-20
Chapter 6 – Troubleshooting 6-1
6.1 Guidelines.........................................................................................................................6-1
6.2 Checklists .........................................................................................................................6-2
6.2.1 Serial Communications ......................................................................................6-2
6.2.2 I/O Point..............................................................................................................6-2
6.2.3 Software .............................................................................................................6-3
6.2.4 Powering Up.......................................................................................................6-3
6.2.5 MVS Module.......................................................................................................6-3
6.3 Procedures .......................................................................................................................6-4
6.3.1 Preserving Configuration and Log Data.............................................................6-4
6.3.2 Restarting the ROC827......................................................................................6-4
6.3.3 Troubleshooting Analog Input Modules..............................................................6-5
6.3.4 Troubleshooting Analog Output Modules...........................................................6-7
6.3.5 Troubleshooting Discrete Input Modules............................................................6-7
6.3.6 Troubleshooting Discrete Output Modules.........................................................6-8
6.3.7 Troubleshooting Discrete Output Relay Modules...............................................6-8
6.3.8 Troubleshooting Pulse Input Modules................................................................6-8
6.3.9 Troubleshooting RTD Input Modules .................................................................6-9
6.3.10 Troubleshooting J and K Type Thermocouple Input Modules .........................6-10
Chapter 7 – Calibration 7-1
7.1 Calibration.........................................................................................................................7-1
7.2 Preparing for Calibration...................................................................................................7-1
Appendix A – Glossary A-1
Index I-1