Rockwell Automation 1734-IV4/C Point I/O Source Input Module Installation Instructions - Manual (Page 17)

POINT I/O Source Input Module 17
Publication 1734-IN052D-EN-E - February 2005
Indication Probable Cause
Network Status
Off Device is not on-line
- Device has not completed dup_MAC_id test.
- Device not powered - check module status indicator
Flashing Green Device is on-line but has no connections in the established
state.
Green Device on-line and has connections in the established state.
Flashing Red One or more I/O connections in timed-out state
Red Critical link failure - failed communication device. Device
detected error that prevents it communicating on the network.
Flashing Red/
Green Communication faulted device - the device has detected a
network access error and is in communication faulted state.
Device has received and accepted an Identify Communication
Faulted Request - long protocol message.
Indication Probable Cause
I/O Status
Off Input is in the off-state.
Yellow Input is in the on-state.