Rockwell Automation 1734-SSI POINT I/O Synchronous Serial Interface Absolute Encoder Module User Manual - Manual (Page 38)

Publication 1734-UM007D-EN-P - December 2005
5-2 Diagnose Problems
Indication Probable Cause Recommended Action
Network Status
Off Device is not online.
- Device has not completed dup_MAC_id test.
- Device not powered - check module status indicator. Apply power to device.
Flashing Green Device is online but has no connections in the established state. None - device is in Idle or Program mode.
Solid Green Device is online and has connections in the established state. None
Flashing Red One or more I/O connections are in timed-out state. Check for module failure and correct as
needed.
Solid Red Critical link failure is present with failed communication device.
Device detected error that prevents it 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 detected a network
access error and is in communication faulted state. Device
received and accepted an Identify Communication Faulted
Request - long protocol message. Verify that adapter is properly installed, and
reinstall, as needed.
Indication Probable Cause Recommended Action
Run Status
Off Module is commanded to stop retrieving SSI data. Turn Run on to begin collecting SSI data.
Solid Green Module is commanded to retrieve SSI data. None
Up Status
Off SSI data is not increasing, or no SSI data is being received. None
Solid Green SSI data is increasing. None
Down Status
Off SSI data is not decreasing, or no SSI data is being received. None
Solid Green SSI data is decreasing. None
Comp Status
Off Comparator function is not in use, or comparator value not
attained. None
Solid Green Comparator value is attained. None
I1 Status
Off Latching input I1 is OFF. None
Solid Yellow Latching input I1 is ON. None