12V Modbus RTU 1, Channel Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino

This is a one-channel Modbus RTU relay module equipped with a stable 8-bit MCU and RS485 level communication chip, adopting standard MODBUS RTU format RS485 communication protocol. It can realize 2-bit input signal detection and provides a 2-bit relay output. It can be used for digital detection or power control occasions.

Application:

1. Supports all MCU control.
2. The industrial field.
3. PLC control.
4. Smart home control.

Features:

1. .Modbus serial communication
2. Relay switching output
3. Convenient AT command control

Package Includes:

1 x 12V Modbus RTU 1 Channels Relay Module