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Modbus RTU RS-485 Terminal

Modbus RTU RS-485 terminal blocks connect smart meters, energy monitors, solar inverters, and HVAC equipment to home automation controllers using 2-wire or 3-wire RS-485 at 9600 to 115200 baud.

// Specifications
Standard
Modbus RTU EIA-485
Wires
2-wire or 3-wire RS-485
Speed
9600 to 115200 baud
Max Nodes
32 per segment without repeater
Use Case
Smart meters solar inverters HVAC energy management
Connector
Terminal block screw or spring cage
// Pin Reference Table
Pin Name Function Type
A A+ RS-485 non-inverting positive BUS
B B- RS-485 inverting negative BUS
GND GND Signal ground optional GND