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ROC800-Series Instruction Manual

Revised Jul-14

Inputs and Outputs

6-1

Chapter 6 – Troubleshooting

This chapter provides generalized guidelines for troubleshooting the

ROC800-Series. Perform the procedures in this chapter before you

remove power from the ROC800 for any reason, after you restore power

to the ROC800, and if you disassemble the ROC800.

Use the following tools for troubleshooting:

Personal computer running a Microsoft

®

Windows

®

XP (Service Pack

3), Windows Vista (32-bit), or Windows 7 (32-bit) operating system.

ROCLINK 800 Configuration software (version 1.81 or greater)

Flat-head (size 1/10 inch) and Phillips (size 0) screwdrivers.

In This Chapter

6.1 Guidelines.................................................................................................6-1 6.2 Checklists .................................................................................................6-2 6.2.1 Serial Communications ................................................................. 6-2 6.2.2 I/O Point ........................................................................................ 6-3 6.2.3 Software ........................................................................................ 6-3 6.2.4 Powering Up.................................................................................. 6-4 6.2.5 MVS or MVS I/O Module............................................................... 6-4 6.2.6 IEC 62591 Module ........................................................................ 6-5 6.3 Procedures ...............................................................................................6-5 6.3.1 Preserving Configuration and Log Data........................................ 6-5 6.3.2 Restarting the ROC800................................................................. 6-5 6.3.3 Troubleshooting Analog Input Modules ........................................ 6-6 6.3.4 Troubleshooting Analog Output Modules ..................................... 6-8 6.3.5 Troubleshooting Discrete Input Modules ...................................... 6-9 6.3.6 Troubleshooting Discrete Output Modules ................................... 6-9 6.3.7 Troubleshooting Discrete Output Relay Modules .......................6-10 6.3.8 Troubleshooting Pulse Input Modules ........................................6-10 6.3.9 Troubleshooting RTD Input Modules ..........................................6-11 6.3.10 Troubleshooting Thermocouple Input (T/C) Modules .................6-12 6.3.11 Troubleshooting Advanced Pulse Modules ................................6-14 6.3.12 Network Radio Modules..............................................................6-14

6.1 Guidelines

When you are attempting to diagnose a problem with the ROC800:

Remember to write down what steps you have taken.

Note the order in which you remove components.

Note the orientation of the components before you alter or remove

them.

Save the configuration and log data. Refer to

Preserving

Configuration and Log Data

in this chapter.

Read and follow all Cautions in this manual.