54 Rockwell Automation Publication ENET-UM004B-EN-P - November 2015
Chapter 6 Module Diagnostics
Connection Category
The Connection category displays information about the condition of the
connection between the controller and the module. The data on this tab comes
directly from the controller.
Module Fault
Module Fault displays the fault code that is returned from the controller, and text
on the Module Fault that occurred. In the Logix Designer online help, type the
fault code into the Search field to find information on the fault code.
The following are common categories for errors.
Connection Request Error The controller is attempting to make a connection to the module and has received an
error. The connection was not made.
Service Request Error The controller is attempting to request a service from the module and has received an
error. The service was not performed successfully.
Module Configuration Invalid The configuration in the module is invalid.
Electronic Keying Mismatch Electronic Keying is enabled and some part of the keying information differs between
the software and the module.
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