Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O - Manual (Page 13)

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