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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