Rockwell Automation 20-COMM-R Remote I/O Adapter - Manual (Page 77)

Troubleshooting 6-3
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-EN-P
NET A Status Indicator This red/green bicolor LED indicates the status for the Remote I/O network
connection as shown in the table below.
Viewing Adapter Diagnostic
Items
If you encounter unexpected communications problems, the adapter’s
diagnostic items may help you or Rockwell Automation personnel
troubleshoot the problem. Adapter diagnostic items can be viewed with any
of these drive configuration tools:
• LCD PowerFlex 7-Class HIM (Diagnostics/Device Items)
• Connected Components Workbench software, version 1.02 or later
• DriveExplorer software, version 2.01 or later
• DriveExecutive software, version 3.01 or later
Using the HIM to View Adapter Diagnostic Items
Status Cause Corrective Actions
Off The adapter is not powered or is not properly
connected to the network.
• Securely connect the adapter to the drive using the Internal
Interface (ribbon) cable and to the network using a Remote I/O
cable.
• Correctly connect the Remote I/O network cable to the 3-pin
Remote I/O plug.
• Configure the adapter to use the baud rate at which the
network is operating.
• Configure the adapter to use a unique rack address on the
Remote I/O network.
• Apply power to the drive and network.
• Apply power to the controller.
Flashing Green The adapter is properly connected but is not
transferring I/O over the network.
• Verify that the scanner is in Run mode.
• Verify that the scanner is using the correct rack size for the
adapter.
• Verify that the adapter is configured for the correct rack size.
Steady Green The adapter is properly connected and is
communicating with the scanner on the network.
No action required.
Step Example Screen
1. Access parameters in the adapter.
See Using the PowerFlex 7-Class HIM to Access Parameters on
page 3-2 .
2. Press the or key to scroll to Diagnostics.
3. Press the (Enter) key to display the Diagnostics menu in
the adapter.
4. Repeat steps 2 and 3 to enter the Device Items option.
5. Press the or key to scroll through the items.
Main Menu:
Diagnostics
Parameter
Device Select
Device Item # 3
Reference