beautypg.com

Chapter, Troubleshooting – Rockwell Automation 999 IMC S Class Compact Motion Controller (Cat. No. 4100-999-122) User Manual

Page 171

background image

Publication 999-122 - January 1997

Chapter

7

Troubleshooting

Chapter Objectives

This chapter contains information that you need to:

Understand how to detect a problem

Replace modules

Understand what LEDs mean

Understand what faults mean

Understanding How to
Detect a Problem

There are several ways to detect a problem with the IMC-S/23x:

LEDs on the front panel

Using GML

This material, along with the diagnostic/troubleshooting information
included with the position controller, will help you identify most
common system malfunctions and determine which module that
problem pertains to.

!

ATTENTION: You should only attempt the procedures
in this chapter if you are qualified to do so and familiar
with solid-state control equipment and the safety
procedures in publication NFPA 70E.

ATTENTION: If you use an oscilloscope (or chart
recorder) for troubleshooting, you must properly
ground it. The oscilloscope chassis can be at a
potentially fatal voltage if you do not properly ground
it. Always connect the oscilloscope chassis to an earth
ground.