I/O Module LED Status Indicators
POWER LED (Green)
On Power Good
Power FailureOff
INPUT LEDs (Green)
On Input True
Input FalseOff
OUTPUT LEDs (Red)
On Output True
Output FalseOff
Input I/O Module Output I/O Module
LED Indicators
All CLICK I/O modules have an LED Power Indicator, PWR. When this LED is on, the I/O
module is receiving 24VDC through the backplane connector correctly. The input modules
have green LEDs and the output modules have red LEDs respectively as the status indicator.
When the LED is on, the I/O point is on.
CLICK PLC Hardware User Manual, 6th Edition, Rev. G β C0-USER-M
2β113
Chapter 2: Speciο¬cations