Cyclic Data Exchange CM574-RS/CS31 Bus <-> \ AC500 CPUΒΆ
In case of cyclic data exchange, the inputs and outputs of the modules on the CS31 bus are transferred by means of I/O modules via the DPRAM.
Cyclic data exchange is described in detail in Function blocks for acyclic data exchange CM574-RS/AC500 CPU Acyclic Data Exchange CM574/AC500 CPU.