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I am posting this message to ask some question about Modbus RTU implementation. I want to use ST485EC transceiver. I am not sure that its A (non-inverting receiver input and non-inverting driver output) and B (inverting receiver input and inverting driver output) match Modbus A (D0) and B (D1), according to 2W-Modbus implementation explained in Modbus over serial line specification V1.02?
If you could clarify me that transceiver's A must be connected to Modbus' A, and transceiver's B must be connected to Modbus' B.
Thank you!
If you could clarify me that transceiver's A must be connected to Modbus' A, and transceiver's B must be connected to Modbus' B.
Thank you!