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Emerson ROC827 User Manual

Page 5

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Issued Mar-06

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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