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18 point i/o devicenet adapter publication – Rockwell Automation 1734-ADN, ADNX Point I/O DeviceNet Adapter Installation Instructions User Manual

Page 18

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18 POINT I/O DeviceNet Adapter

Publication

1734-IN026A-EN-P - April 2005

1

Maxi(mum) Backplane MAC ID is an attribute for 1734-ADNX only. This value represents the highest

node address of a module residing on the backplane. The value must be greater than or equal to the
right-most backplane Subnet module, but less than that of any non-backplane Subnet module.

Indicator

Indication

Probable Cause

Take This Action

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 you
need more time to complete
the dup_MAC_id test or if
you need to power the
adapter.

Flashing
Green

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

None

Green

Device is online and has
connections in the established
state.

None

Flashing Red

No scanlist is available.
I/O module is missing.
Max backplane MAC ID is not
set right (1734-ADNX).

Make sure all I/O modules
are connected and using the
correct MAC IDs.
Check “Cycling Node
Status” parameter in
RSNetWorx for DeviceNet.
For 1734-ADNX, terminate
the 1734-ADNX Subnet and
correctly set the Max

Backplane MAC ID.

1

Red

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

Make sure an I/O module is
not using a MAC ID =0.
Make sure all backplane
modules are communicating
at the proper baudrate.