Rockwell-automation AADvance Controller Troubleshooting and Maintenanc Manuel d'utilisateur télécharger pdf (Page 61)

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Document: 553634

(ICSTT-RM406F_EN_P) Issue: 089:

5-1

The AADvance controller indicates a channel fault that could be a faulty termination assembly or field

fault by a Channel LED on an I/O module showing amber instead of the usual green. This chapter

provides recommended approaches to troubleshoot and remedy channel/field faults. It should be read

in conjunction with the operation and maintenance manual or equivalent documentation for the

system.

WARNING

ELECTRICAL ARCS AND EXPLOSION RISK IN HAZARDOUS

AREAS

If you connect or disconnect wiring, modules or communications cabling while

power is applied, an electrical arc can occur. This could cause an explosion in

hazardous location installations. Do not remove wiring, fuses, modules or

communications cabling while circuit is energized unless area is known to be

non hazardous.

Failure to follow these instructions may result in personal injury.

In This Chapter

Examine the State Variable ............................................................................... 5-1

Start Troubleshooting Channel/Field Faults ................................................. 5-3

Replacing Fuses .................................................................................................. 5-12

Install a New Termination Assembly ........................................................... 5-14

Examine the State Variable

You will use the State variable (<tagname>.STA) to trace field faults. To do this, you have to identify

the tagname of the variable, and then add the variable to the Spy List. Do the following:

Chapter 5

Troubleshooting and Rectifying Channel/Field Faults

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Rockwell-automation AADvance Controller Troubleshooting and Maintenanc Manuel d'utilisateur Page 61