Using COM Protocols

Note

In the CM574-RS project the corresponding COM port which should be remotely controlled by the AC500 CPU project must be set to COMx - Shared. At least an empty boot project with this setting must be deployed on the CM574-RS Communication Module.

If the cyclic data exchange is unused or not required for the project the corresponding channel can be switched to a COM protocol that is configured at a COM interface of the CM574-RS Communication Module and remotely controlled by the AC500 CPU. See Remote Control of COM ports of the CM571-RS Communication Module for further information Remote Control of COM Ports of the CM574-RS Communication Module.

The protocol selection is done in the same way as it is known for the local COM interfaces Setting Up the Protocol of a Serial Interface.

Note

Only the protocol CS31, MODBUS and ASCII are allowed to be used remotely.