About the Use Case
The purpose of this use case is to explain how to use the Modbus RTU serial protocol.
Figure 91. Temperature Regulator - Modbus RTU Use Case
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In this use case we use the Communicator to enable data exchange between an Temperature Regulator and a PLC.
The use case describes how to map the communication in the Communicator.
The Temperature Regulator is connected to the serial subnetwork via a custom RS-232 protocol.
The PLC is connected to an EtherNet/IP network (high level network).