Troubleshoot with the indicators – Rockwell Automation 1791P-XXXX CompactBlock Distributed I/O on PROFIBUS DP Series D I.I. User Manual
Page 24
24 CompactBlock Distributed I/O on PROFIBUS DP Series D
Publication
1791P-IN002B-EN-P - October 2003
Troubleshoot with the Indicators
The 1791P I/O module has the following indicators:
• Module Status indicator - base only
• Network Status indicator - base only
• I/O Status indicators - base and expansion
Module Status Indicator
Indication:
Status:
Off
No power
Green
Module operating correctly
Red
Hardware or software error
Flashing Red
Communication failure
Flashing Red/Orange
Expansion error
Network Status Indicator
Indication:
Status:
Off
Network offline
Yellow
Network online
I/O Status Indicators
Function
Indicator
Module
Illumination
Condition
Outputs
Each output:
Yellow
None
Yellow
Output not energized
Output energized
Inputs
Each Input:
Yellow
None
Yellow
No valid input
Valid input
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