Allen-Bradley devicenet modules in logix5000 control systems Manuel D’Utilisation
Publication DNET-UM004A-EN-P - March 2004
Using POINT™ I/O Modules on a DeviceNet Network 15-15
DeviceNet Status indicator
Subnet Status or PointBus Status indicator
flashing red
Recoverable fault
Make sure the adapter does not need a
FLASH update
FLASH update
solid red
Unrecoverable fault may require device
replacement
replacement
Replace the adapter
flashing red/green
Device is in self-test
Wait for self-test to finish
State
Description
Recommended Action
State
Description
Recommended Action
off
Device is not online
• Device is autobauding
• Device has not completed dup_MAC_id test
• Device not powered
• Device has not completed dup_MAC_id test
• Device not powered
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
time is needed to complete the dup_MAC_id test or if
the adapter needs to be powered
flashing green
Device is on-line but has no connections in the
established state
established state
None
solid green
Device on-line and has connections in the established
state
state
None
flashing red
One or more I/O connections in timed-out state
Determine the cause of the time-out. The EPR may
need to be increased
need to be increased
solid red
Critical link failure - failed communication device.
Device detected error that prevents it communicating
on the network.
Device detected error that prevents it communicating
on the network.
Make sure the device is using the correct MAC ID and
baud rate
baud rate
State
Description
Recommended Action
off
Device is not on-line
• Device has not completed Dup_MAC_ID test.
• Device not powered - check module status
• Device 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
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
state
None
solid green
Device on-line and has connections in the established
state.
state.
None
flashing red
No scan list is available.
I/O module is missing.
Make sure all I/O modules are connected and using the
correct MAC IDs.
correct MAC IDs.
Check “Cycling Node Status” parameter in RSNetWorx for
DeviceNet.
DeviceNet.
solid red
Critical link failure - failed communication device. Device
detected error that prevents it communicating on the
network.
detected error that prevents it 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 baud rate.
the proper baud rate.