beautypg.com

Rockwell Automation 1734-XXXX POINT I/O Digital and Analog Modules and POINTBlock I/O Modules User Manual

Page 153

background image

Rockwell Automation Publication 1734-UM001E-EN-P - July 2013

Troubleshoot with the Indicators 155

Flashing red

1 Hz - Check_Configuration telegram rejected.
Max number of POINT I/O modules in master configuration
overridden.
2 Hz - SetPrm telegram rejected.
The first byte in user parameter data does not equal zero. Max
number of user parameter bytes overridden.

Check configuration.

Indication

Probable Cause

Recommended Action

Indication

Probable Cause

Recommended Action

POINTBus Status

Off

No power supplied.

Hardware check is in progress.

Initialization is in progress.

Apply power.

Solid green

Normal operation present.

None.

Flashing red

1 Hz - Incorrect POINT I/O module installed.
POINT I/O module removed from backplane.

Verify module installation, no modules removed, and correct,
as needed.

Solid red

Critical link failure (BUS_OFF) is present.

Check network cabling, and correct, as needed.

Indicator

Indication

Probable Cause

Recommended Action

System Power

Off

System power not applied.

1. Verify field power is on.
2. Verify backplane power (load current) is not exceeded.
3. Replace 1734-APB adapter.

Green

System power (5V) present

None.

Field Power

Off

Field power not applied.

Apply field power (24V).

Green

Field power (24V) applied.

None.