I/o status indicator, I/o status indicator -3 – Rockwell Automation 1784-PCIDS DeviceNet PCI Communication Interface Card User Manual

Page 55

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Interpret Status Indicators (LEDs) 7-3

Publication 1784-IN004E-EN-P - April 2005

I/O Status Indicator

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

Condition

Status

Indicates

off

output(s) inactive

input(s) inactive

All Outputs are inactive.

All inputs are inactive.

green

output(s) active


input(s) active

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


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

flashing green

1

output(s) idle

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

flashing red

1

output(s) faulted


input(s) faulted

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

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

red

output(s) forced off


input unrecoverable fault

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

One or more inputs has an unrecoverable fault.

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.

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