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Interpret Status Indicators
Diagnostics
Use the status indicators to help you troubleshoot any problems with your
ASCII modules.
RS-232
Module status
Module
Status
Network status
Network
Status
NODE:
1734
232ASC
TxD
RxD
1734
232ASC
Table 17 - Module Status Indicators
Indication
Module Status
Off
Green
Flashing green
Flashing red
Red
Flashing red/green
Table 18 - Network Status Indicators
Indication
Network Status
Off
Flashing green
Green
Flashing red
Red
Rockwell Automation Publication 1734-UM009C-EN-P - August 2022
Probable Cause
No power applied to device.
Device operating normally.
Device needs commissioning due to configuration missing, incomplete, or
incorrect.
Recoverable fault.
Unrecoverable fault may require device replacement.
Device is in self-test.
Probable Cause
Device is not online.
- Device has not completed dup_MAC_id test.
- Device not powered - check module status indicator.
Device is online but is not allocated to a master.
Device online and has connections in the established state.
One or more I/O connections in timed-out state.
Critical link failure - failed communication device. Device detected error that
helps prevent it communicating on the network.
4
Chapter
RS-485
Module status
Network status
NODE:
RS485
/ 422
ASCII
TxD
RxD
1734
485ASC
35
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