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.
| 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 |
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.