Process automation with Siemens S7-300 and Modbus Master



I have a process automation network comprising in 5 valves and 3 flow counting units which communicate with a S7-300 PLC through a Modbus interface. Data from the valves is input coil. Data from the flow counting units is holding register. Data from the flow counting units is read from several starting addresses. The PLC has a CP341 communication processor. I need a projects that implements the communication between the s7-300 PLC (acting as a Mobus Master) and the presented multiple slaves, considering using functions codes 03 and 02. The project will be compatible with TIA Portal V13.

Færdigheder: PLC & SCADA

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Projekt-ID: #13457403