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Hi i just started plc, i want to connect plc with modbus tcp, i write my plc code and it is working, but i have to monitor the values from a pc. Because of this i downloaded some monitoring programs (ModbusPoll, ModSim etc. etc) But it is impossible to connect with plc by modbus through port 502, i just started the project and i am stucked. Can you please help me about the communication.
PS: I am using Gefran PLC R-CPU 300
Thanks for your interest,
PS: I am using Gefran PLC R-CPU 300
Thanks for your interest,