Module indicators, Devicenet i/o status indicator – Rockwell Automation DeviceNet Communications for PanelView Plus and PanelView Plus CE User Manual
Page 11

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.