3X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart 4851335358252

3X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart 4851335358252

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Description:LC 4 channel Modbus relay module equipped with and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format...

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