Rockwell Automation 1738-IB4DM12 ArmorPoint 24V dc 4-channel Digital Input Module with Diagnostics I.I. - Manual (Page 9)

Publication 1738-IN021A-EN-E - January 2007
ArmorPoint 24V dc 4-channel Digital Input Module with Diagnostics 9
Troubleshoot With
the Indicators
Interpret LED Indicators
0
1
2
3
MOD
NET
1738-IB4DM12
24V dc In with
Diagnostics
0 1
2 3
IO Diagnostics:
Solid Red = Short
Flashing Red = Open
Module Status Indicators
43680
1738-IB4DM12
Network Status Indicators
I/O Status Indicators
Indication Probable Cause Recommended Action
Module Status
Off No power applied to device Apply power to device.
Green Device operating normally None.
Flashing Green Device needs commissioning due to configuration
missing, incomplete or incorrect. Configure device properly.
Flashing Red Recoverable fault 1. Cycle power to device.
2. If condition persists, replace device.
Red Unrecoverable fault - may require device
replacement Replace device.
Flashing Red/Green Device is in self-test None.
Network Status
Off Device is not on line:
- Device has not completed dup_MAC_ID test.
- Device not powered - check module status
indicator.
Apply power to device, wait for
dup_MAC_id to complete, and correct, as
needed.
Flashing Green Device is on line but has no connections in the
established state. None - device is in Idle or Program mode.
Green Device is on line and has connections in the
established state. None.
Flashing Red One or more I/O connections in timed-out state. Check for I/O module failure, and correct, as
needed.