Allen-Bradley PowerFlex 20-COMM-D, User Manual

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7-4 Troubleshooting
Net A Status Indicator
Status Cause Corrective Actions
Off The adapter and/or
network is not powered or
adapter is not connected
properly to the network.
•
Securely connect the adapter to the drive
using the Internal Interface cable and to the
network using a DeviceNet cable.
•
Correctly connect the DeviceNet cable to the
DeviceNet plug.
•
Apply power to the drive and network.
Flashing
Red/
Green The adapter has received
an Identify Comm Fault
request.
•
Wait for the faulted node recovery to
complete.
Flashing
Red A DeviceNet I/O
connection has timed out.
•
Place the scanner in RUN mode, or apply
power to the peer device that will send I/O.
•
Check the amount of traffic on the network.
Solid
Red Failed duplicate node
detection test or bus off.
•
Configure the adapter to use a unique node
address on the DeviceNet network.
•
Configure the adapter to use the correct
network data rate.
•
Ensure network has correct media installed.
Flashing
Green The adapter is properly
connected but is not
communicating with any
devices on the network.
•
Place the controller in RUN mode, or apply
power to the peer device that will send I/O.
•
Program a controller or peer device to
recognize and transmit I/O to the adapter.
•
Configure the adapter for the program in the
controller or the I/O from the peer device.
Solid
Green The adapter is properly
connected and
communicating on the
network.
•
No action required.