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This is the web edition of the original ⮫ AC500-S safety user manual, version 1.3.2. This web edition is provided for quick reference only. The original safety user manual must be used to meet functional safety application requirements. |
Data exchange options between safety CPU and AC500 V3 non-safety CPU:
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Acyclic non-safe data exchange: several safety CPU cycles needed to transfer the data, max. 84 bytes each direction
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Cyclic non-safe data exchange: max. 3 safety CPU cycles needed to transfer the data, max. 2 kB each direction
DANGER
It is not recommended to transfer data values from non-safety CPU to safety CPU. But if doing so, end-users have to define additional process-specific validation procedures in the safety program to check the correctness of the transferred non-safety data, if they would like to use those non-safety values for safety functions.
It is of no concern to transfer data values from safety CPU to non-safety CPU, e.g., for diagnosis and later visualization on operator panels.