Rockwell Automation 1738-SSIM23 ArmorPoint I/O SSI Absolute Encoder Module, Series A User Manual
Page 10

Publication 1738-IN013A-EN-E - June 2004
10 ArmorPoint I/O Synchronous Serial Interface (SSI) Absolute Encoder Module, Series A
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 is 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 from 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 Identity Communication
Faulted Request - long protocol message.
Indication
Probable Cause
I/O Status
Run Status
Off
Module is commanded to stop retrieving SSI data.
Green
Module is commanded to retrieve SSI data.
Up Status
Off
SSI data not increasing or no SSI data is being received.
Green
SSI data is increasing.
Down Status
Off
SSI data not decreasing or no SSI data is being received.
Green
SSI data is decreasing.
Comp Status
Off
Comparator function not in use or comparator value not attained.
Green
Comparator value is attained.
I1 Status
Off
Latching input I1 is OFF.
Green
Latching input I1 is ON.