Module indicators, Devicenet i/o status indicator – Rockwell Automation DeviceNet Communications for PanelView Plus and PanelView Plus CE User Manual

Page 11

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Publication 2711P-UM004B-EN-P - March 2007

DeviceNet Overview 11

Module Indicators

The DeviceNet communication modules have three indicators:
Network Status, I/O Status, Module Status.

DeviceNet I/O Status Indicator

This bi-color (green/red) LED provides information on the states of
inputs and outputs.

Condition

Status

Indication

Off

Outputs active

All outputs are active.

Inputs active

All inputs are active.

Green

Outputs active

One or more outputs are active and
under control, and no outputs are
faulted.

Inputs active

One or more inputs are active and
producing data, and no inputs are
faulted.

Flashing green

(1)

(1)

The flash rate of the LED is approximately 1 flash per second. The LED should be on for approximately 0.5
seconds and off for approximately 0.5 seconds.

Outputs idle

One or more outputs are idle, and no
outputs are active or faulted.

Flashing red

(1)

Outputs faulted

One or more outputs are faulted, and
may be in the fault state.

Inputs faulted

One or more inputs are faulted, and
may be in the fault state.

Red

Outputs forced off

One or more outputs are forced off
(may be an unrecoverable fault).

Input unrecoverable fault

One or more inputs has an
unrecoverable fault.

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