322 Rockwell Automation Publication 2080-UM002N-EN-E - November 2022
Appendix D Troubleshooting
Controller Diagnostic Information
The Controller Diagnostic page helps provide an overview of the information about the
controller. This page includes details on the controller identity, project and memory module
startup configuration, memory settings, controller uptime, and communication utilization.
Calling Rockwell
Automation for Assistance
If you need to contact Rockwell Automation or local distributor for assistance, it is helpful to
obtain the following (prior to calling):
• Controller type, series letter, revision letter, and firmware (FRN) number of the
controller.
• Controller indicator status.
Table 81 - Controller Diagnostic Parameters
Parameters Description
Communication Utilization
Communication buffer space utilization that is currently used by the
system.
CPU Up Time Time that the system is up since last power up or reset.
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