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I am realizing Modbus Protocol with Vc++ for a SCADA software now.
My question is,there are several versions of Modbus protocol ,such as Modbus, Modbus plus and Modbus TCP/IP. Then, can i make just one DLL for these protocols and distingish them by some statements in program,or,for them great difference ,i should program separately.
I am waiting for your advice. Thanks a lot.
My question is,there are several versions of Modbus protocol ,such as Modbus, Modbus plus and Modbus TCP/IP. Then, can i make just one DLL for these protocols and distingish them by some statements in program,or,for them great difference ,i should program separately.
I am waiting for your advice. Thanks a lot.