SoftwareDescription
FlexibleAutomation
5−14
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Fig.5−9Time−controlled program execution
5.3.4 Definition of Variables in OM7
The organizational module OM7 allows the user to set various system
variables S which stored in the internal system range.
Before OM7 is processed, the system variables are set to default values,
and the system checks whether OM7 is present. When OM7 is in the PLC
memory, it will be processed.
Definitions in OM7 are to be made by means of the system variables
listed below.
Control WordS0 Bit 1 Compare I/O allocation lists
Bit 2 Copy data module to data buffer
Default No comparison of allocation lists
No copy of data modules