Instruction Manual

13
Publication 1790-IN005B-EN-P - April 2003
Troubleshoot with the Indicators
Use the I/O status indicators to troubleshoot your expansion
blocks:
I/O Status Indicators
Function: LED Color: Module Illumination: Condition:
Outputs Each output:
Green
None
Green
Output not energized
Output energized
Inputs Each Input:
Green
None
Green
No valid input
Valid input