Diagnostic Message Summary - GE VersaMax PLC User Manual

A module is present at powerup but not configured. It is added to the configuration.
addition of module
Autoconfiguration is enabled and the module is capable of being autoconfigured.
A previously-configured module is inserted after powerup. The CPU resumes scanning of the module.
addition of module
configuration
A module was found at or after powerup that does not match the configuration for that slot.
mismatch
1. A module is present at powerup but not configured.
2. Autoconfiguration is not enabled.
extra module
3. A previously-unconfigured module is inserted after powerup.
A configured module is missing during powerup or normal operation.
loss of module
1.
configuration.
2.
addition of rack
Expansion Receiver Module. The CPU starts scanning I/O for the modules in that rack. "Addition of
Module" faults are not generated when scanning resumes. However, if communications cannot be
restored with any modules in the rack, "Loss of Module" faults are generated.
1.
loss of rack
2.
Modules in the same expansion rack are terminated.
A previously-unconfigured Expansion Receiver module is inserted after powerup. Modules in the
extra rack
expansion rack are ignored.
Expansion 1. An Expansion Transmitter Module (IC200ETM001) is present but not configured.
Transmitter
2. An Expansion Transmitter Module (IC200ETM001) is configured but not present.
mismatch
expansion bus
The expansion bus speed automatically calculated by the CPU during autoconfiguration has changed.
speed change
unsupported
A module is present that is not supported by the CPU.
feature
80 GFK-1503E
For public disclosure
Previously-configured Module Installed After Autoconfiguration: If a module
that was previously-configured but missing at powerup is installed-after powerup, the
CPU generates an addition of module diagnostic and the module is added back into the
I/O scan.
All Modules Removed After Autoconfiguration: If all modules are absent at
powerup, the CPU clears the configuration. This allows modules to be inserted and added
to the configuration at the next powerup.

5.4.3 Diagnostic Message Summary

An Expansion Receiver Module that was not previously configured is present during
During normal operation, communication is restored with a previously missing or failed
A previously configured Expansion Receiver Module is not present during configuration.
During normal operation, a previously working Expansion Receiver Module stops working.
VersaMax PLC User Manual