Troubleshooting with the indicators, Rs-232, Rs-485 – Rockwell Automation 1734-485ASC POINT I/O RS-232 and RS-485 ASCII Modules Installation Instructions User Manual
Page 13
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POINT I/O RS-232 and RS-485 ASCII Modules 13
Publication
1734-IN588B-EN-P - July 2003
Troubleshooting with the Indicators
Indication
Probable Cause
Module Status
Off
No power applied to device
Green
Device operating normally
Flashing Green
Device needs commissioning due to configuration missing,
incomplete or incorrect.
Flashing Red
Recoverable fault.
Red
Unrecoverable fault may require device replacement
Flashing
Red/Green
Device is in self-test
Module
Status
Network
Status
1734
232ASC
NODE:
1734
232ASC
TxD
RxD
1734
485ASC
RS485
/ 422
ASCII
RxD
TxD
NODE:
Module Status
Network Status
43125
RS-232
Module Status
Network Status
RS-485
43490
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