Rockwell-automation 22-COMM-D DeviceNet Adapter User Manual Page 98

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8-4 Troubleshooting
The following diagnostic items can be accessed using DriveExplorer
(version 3.01 or higher).
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
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
condition exists.
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.
Module Diagnostic Items in Single Drive Mode
No. Name Description
1 Field Flash Cnt The number of flash updates made to the adapter after shipping.
2 Adapter Events The number of events in the event queue.
3 Reference Reference being transmitted to the host by this peripheral.
4 Logic Cmd Command being transmitted to the host by this peripheral.
5 Logic Sts Status being received from the host by this peripheral.
6 Feedback Feedback being received from the host by this peripheral.
7 DN Rx Errors Current value of the DeviceNet CAN Receive Error Counter register.
8 DN Tx Errors Current value of the DeviceNet CAN Transmit Error Counter register.
9 Data Rate SW Current setting of the adapter 2-bit data rate switch.
10 Node Address SW Current setting of the adapter 6-bit Node address switch.
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