Troubleshoot with the indicators – Rockwell Automation 1738-SSIM23 ArmorPoint I/O SSI Absolute Encoder Module, Series A User Manual
Page 9
Publication 1738-IN013A-EN-E - June 2004
ArmorPoint I/O Synchronous Serial Interface (SSI) Absolute Encoder Module, Series A 9
Message Size: 2 Bytes
Troubleshoot with
the Indicators
Byte
Bit
Description
Consume 0
7
6
5
4
3
2
1
0
Master ACK Byte
1
RES
RES
RES SCMP2 SCMP1 CC2 CC1 LACK
Consume 1
7
6
5
4
3
2
1
0
CONS1
RES
RES
RES
RES
RES
RES RES
RES
1
The master must provide the Master ACK Byte in order to receive the polled Produced bytes 0-9.
Indication
Probable Cause
Module Status
Off
No power applied to device
Green
Device operating normally
Flashing Green
Device needs commissioning due to missing, incomplete, or
incorrect configuration
Flashing Red
Recoverable fault
Red
Unrecoverable fault - may require device replacement
Flashing Red/Green
Device is in self-test
RUN
UP
DOWN
COMP
MOD
NET
1738-SSIM23/A
SSI Encoder
1
Module Status Indicators
43814
1738-SSIM23
Network Status Indicators
I/O Status Indicators
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