Indicators
Original instructions
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Illustration
The following figure shows the LED indicators for the Drop module:
Description
The following table shows the RIO Drop module LED descriptions:
LEDS
Color
Indication when On
Ready
Green
The module has passed power-up diagnostics.
Com Act
Green
The module is communicating on the RIO network (see the following table for LED error codes).
Fault
Red
Unable to communicate with one or more I/O modules.
This LED appears also when CRA is in bad position.
Error A
Red
Communication error on Channel A.
Error B
Red
Communication error on Channel B.