Interpret The Status Indicators - Allen-Bradley Rockwell Automation 1734-AENT User Manua

Interpret the
Status Indicators
1
LED Status Indicators
ATTENTION
You must use Series C POINT I/O modules with the
1734-AENT adapter. Series A or B POINT I/O
modules will not work with this adapter.
Module
Status
0 0 2
Network
Activity
Network
Status
PointBus
Status
1734-AENT
System
Power
Field
Power
Indication Probable Cause
System Power
Off Not active; field power is off or dc-dc converter problem
Green System power on; dc-dc converter active (5V dc)
Field Power
Off Not active; field power is off
Green Power on; 24V dc present
Indication Probable Cause
Module Status
Off No power applied to device
Flashing Red/Green LED powerup test (module self-test)
Green Device is operating normally
Flashing Red Recoverable fault has occurred: Firmware (NVS) update
Module Status
Network Activity
Network Status
PointBus Status
System Power
Field Power
Publication 1734-UM011A-EN-P - February 2004
6
Chapter
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