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