brief introduction： The full name of RS-422 standard is "Electrical Characteristics of Balance Voltage Digital Interface Circuits", which defines the characteristics of interface circuits.There's actually one signal ground, five wires.Due to the high input impedance of the receiver and the stronger drive capability of the transmission driver than the RS232, it allows the connection of multiple receiving nodes on the same transmission line, up to 10 nodes.One Master device and the other Sl

RS422 Interface IC

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