Emerson ROC827 User Manual

ROC800-Series Instruction Manual
Revised July-2017 Troubleshooting 6-1
Chapter 6 – Troubleshooting
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
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.
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.

Emerson ROC827 Specifications

General

Brand	Emerson
Model	ROC827
Category	Controller
Language	English