Indicators
Original instructions
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Illustration
The following figure shows the LED panel.
Description
The following table shows the DIO LED indicators and descriptions.
LEDS
Color
Indication when On
Ready
Green
The module has passed power-up diagnostics.
Fault
Red
A communications error exists between the DIO module and one or more I/O modules, or an output module is not being written to, over the Modbus Plus network.
Pwr ok
Green
Bus power is present.
Modbus +
Green
Communications are active on the Modbus Plus port.