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VIPA System SLIO
4.9.1 Free Module Mapping
4.9.1.1
Overview
Free module mapping -
FMM
HB300 | CPU | 013-CCF0R00 | en | 19-30
With FMM you can use your CPU in different hardware variants without adapting your
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user program. You only have to adapt the FMM configuration in the CPU when config-
uring the hardware variants. Here you have the following possibilities:
–
Modules from the target configuration can be divided in any order to the slots of
the actual configuration.
–
Modules from the target configuration may be missing in the actual configuration.
–
Individual slots of the target configuration can be deactivated, on which modules
are located in the actual configuration.
FMM is a functionality of VIPA and is only supported by VIPA modules.
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By default, FMM is disabled. To use FMM mapping, you must enable the CPU param-
eter 'Free Module Mapping' .
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For the FMM the mapping of the slots is to be specified via the record set 0x7F.
For commissioning, you have to enable the parameter 'Startup when expected/actual
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configuration differs' in your CPU.
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If FMM is activated and configured correctly, the system reacts as follows:
–
During start-up, no target/actual difference of the hardware is diagnosed.
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Output data of missing modules are ignored and not output.
–
Input data of missing modules are set to 0.
Deployment CPU 013-CCF0R00
Setting VIPA specific CPU parameters > Free Module Mapping
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