Pymate-Modbus-basic

Modbus is a standardized protocol over serial bus. The half-duplex RS485 bus can be used for Modbus transmission.

The Modbus over RS485 bus is available on the A+, B- terminals.

RS485 output can be use either for Modbus over RS485, either for Direct RS485. Both access method cannot be used at the same time.

---

PymateIO all right reserved © 2026 - Written by MCHobby for PymateIO