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Diagram 6-1 choose Modbus TCP by setup program
Note: There are two potions in this place “ Modbus TCP”:
None, which showed we are using a standard Transparent mode, no protocol conversion .
Modbus TCP, means we use protocol conversion from Modbus RTU to Modbus TCP.
The function acts as below:
Diagram 6-2 function description for Modbus TCP to modbus RTU