Rockwell Automation 1756-OF8I ControlLogix Eight-channel Isolated Analog I/O Modules - Manual (Page 157)

Rockwell Automation Publication 1756-UM540A-EN-P - May 2014 157
Chapter
9
Troubleshoot Your Module
ControlLogix isolated analog I/O module have status indicators on the front of
the module that are used to monitor module operation.
Status Indicators for the
1756-IF8I Module The following graphic shows the status indicators used with 1756-IF8I modules.
The following table describes the status indicators.
Topic Page
Status Indicators for the 1756-IF8I Module 157
Status Indicators for the 1756-IRT8I Module 158
Status Indicators for the 1756-OF8I Module 159
Use Logix Designer Application for Troubleshooting 160
Troubleshoot Incorrect Readings on the Module 162
Indicator Status Description
OK Steady green The module is in a normal operating state in Run mode.
Flashing green The module passed internal diagnostics and is not actively controlled or
the connection is open and the controller is in Program mode.
Flashing red Previously established communication has timed out.
Steady red Replace the module.
ST Steady yellow The channel is operating as expected.
Flashing yellow The channel is being calibrated.
Off The channel is not in use or is faulted.
ST
FLT
ANALOG INPUT
O
K