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

Page 149

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

Troubleshoot with the Indicators 151

Subnet and POINTBus Status

Off

Device is not online.

Device has not completed Dup_MAC_ID test.

Device is not powered - check module status indicator.

Check adapter status indicator to determine if more
time is needed to complete the dup_MAC_id test
or if the adapter needs to be powered.

Flashing green

Device is online but has no connections in the established state.

None.

Solid green

Device is online and has connections in the established state.

None.

Flashing red

No scanlist is available. I/O module is missing.

1. Make sure all I/O modules are connected and

using the correct MAC IDs.

2. Check Cycling Node Status parameter in

RSNetWorx for DeviceNet software.

Solid red

Critical link failure - failed communication device present. Device detected
error that prevents it from communicating on the network.

1. Make sure an I/O module is not using a

MAC ID = 0.

2. Make sure all backplane modules are

communicating at the proper communication
rate.

Indicator

Indication

Probable Cause

Recommended Action

System Power

Off

Field power is OFF, or DC-DC converter problem.

1. Verify field power is on.
2. Verify backplane power (load current) is not

exceeded.

3. Replace 1734-ADN(X) adapter.

Green

System power is on. DC-DC converter is active (5V).

None.

Field Power

Off

Field power is off.

Turn field power on.

Green

Power is on with 24V present.

None.

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