5V Modbus RTU, 1Channel Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino

LC 1 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol, It can realize 1-way input signal detection and 1-way relay output, 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 5V Modbus RTU 1Channel Relay Module Input Optocoupler Isolation RS485 MCU for Arduino