Rockwell Automation 1738-IB4DM12 ArmorPoint 24V dc 4-channel Digital Input Module with Diagnostics I.I. - Manual (Page 10)

Publication 1738-IN021A-EN-E - January 2007
10 ArmorPoint 24V dc 4-channel Digital Input Module with Diagnostics
Red Critical link failure - failed communication device.
Device detected error that prevents it from
communicating on the network. Verify that adapter and terminal bases are
properly installed, and reinstall, as needed.
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 Identity Communication Faulted
Request - long protocol message. Verify that adapter is properly installed, and
reinstall, as needed.
I/O Status
Off Input is in the off state. None.
Yellow Input is in the on state. None.
Red Short circuit detected. Check I/O wiring.
Flashing Red Open wire detected. Check I/O wiring.
Indication Probable Cause Recommended Action