Rockwell Automation 1756-HSC ControlLogix High Speed Counter Module - Manual (Page 83)

Publication 1756-UM007C-EN-P - November 2011
Module Diagnostics 83
The following windows display fault notification in RSLogix 5000 software.
Warning Signal on Main Window
A warning icon displays in the I/O Configuration tree when a
communication fault occurs.
Fault Message in Status Line
On the Module Info tab, in the Status section, the Major and Minor Faults
are listed along with the Internal State of the module.
Notification in Tag Editor
The Value field shows 65535 to indicate that the module connection
has been broken.