Rockwell Automation 1769-IF16V Compact High Density Analog Input Modules - Manual (Page 47)

47 Publication 1769-UM018A-EN-P - October 2008 47
Chapter
4
Module Diagnostics and Troubleshooting
Introduction
Safety Considerations Safety considerations are an important element of proper
troubleshooting procedures. Actively thinking about the safety of
yourself and others, as well as the condition of your equipment, is of
primary importance.
The following sections describe several safety concerns you should be
aware of when troubleshooting your control system.
Status Indicators
When the green status indicator on the analog module is illuminated,
it indicates that power is applied to the module.
Activate Devices When Troubleshooting
When troubleshooting, never reach into the machine to actuate a
device. Unexpected machine motion could occur.
Topic Page
Safety Considerations 47
Power Cycle Diagnostics 48
Channel Diagnostics 49
Non-critical vs. Critical Module Errors 50
Module Error Definition Table 50
Error Codes 51
Module Inhibit Function 57
Contacting Rockwell Automation 57
ATTENTION
Never reach into a machine to actuate a switch because
unexpected motion can occur and cause injury.
Remove all electrical power at the main power disconnect
switches before checking electrical connections or
inputs/outputs causing machine motion.