Schneider Automation Modicon Quantum Ethernet Guide de l'utilisateur Page 266

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DIO
266
35013379 02 October 2007
LED Indicators
and Descriptions
The following figure shows the LED panel.
The following table shows the DIO LED indicators and descriptions.
LED 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.
Error A Red Communication error on the Modbus Plus Channel A (dual
cable only).
Error B Red Communication error on the Modbus Plus Channel B (dual
cable only).
Ready
Error B
Modbus +
Error A
Fault
Pwr ok
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com
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