Parameters and diagnostics
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4.2 Diagnostics
4.2.1 System diagnostics
The system diagnostics can be called via the instance name of the "Local_IO_BLxx"-object. Function
blocks or libraries are not required.
Fig. 23: Diagnostics via call of instance
Diagnostics Meaning
Module diagnostics available
„xModuleDiagnosticsAvailable“
At least one module sends diag-
nostics.
Check the diagnostic messages.
I/O configuration deviation
„xI/OConfigurationDeviation“
I/O module list adaptable modi-
fied, e. g., module has been pulled.
The current and configured module list do
not match but the data exchange pro-
ceeds as normal.
– Check the physical station for pulled or
new but not planned modules.
– Check the system power supply at the
gateway.
Module bus error
„xModuleBusError“
The Communication with the
module bus station on the module
bus is not possible.
– At least one module has to be plugged
and has to be able to communicate with
the gateway.
I/O configuration error
„xMasterOrIOConfigurationError“
The actual module list has been
changed and is incompatible, a
process data exchange with the
module bus nodes is not possible-
– Compare the configured station and the
current configuration.
– Check the physical station for defective
or incorrectly plugged electronic mod-
ules.
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