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Modbus RTU 8-way Serial Port / RS485 Relay Module / Optocoupler Isolation / 8-way Input / 8-way Output

Modbus RTU 8-way Serial Port / RS485 Relay Module / Optocoupler Isolation / 8-input / 8-output

Modbus RTU 8-way Serial Port / RS485 Relay Module / Optocoupler Isolation / 8-input / 8-output

DAM0808 serial control module PC control relay output RS232+RS485 optocoupler isolation input

Modbus RTU 8 serial port /RS485 relay module/optocoupler isolation /8 input /8 output

Modbus RTU 8 serial port /RS485 relay module/optocoupler isolation /8 input /8 output

Modbus RTU 8-way serial port / RS485 relay module / optocoupler isolation / 8-way input / 8-way output

Modbus RTU 8-way serial port/RS485 relay module/optocoupler isolation/8-way input/8-way output

8 channel serial control module PC control relay output RS232+RS485 optocoupler isolation input

Modbus RTU 8-way serial port / RS485 relay module / optocoupler isolation / 8-way input / 8-way output

6 input and 6 output relay control panel, 6 switch module, RS232 485, dual serial port RTU.

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DAM0606 6-channel optocoupler isolation input 6-way relay output RS232+ isolation 485 communication

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Modbus RTU 4-way Relay Module 4-way Input Optocoupler Isolation RS485 Communication MCU

Modbus RTU 4-way relay module 12V four-way switch input optocoupler isolation RS485

UOTEK 8 Channel Digital I/O Controller RS-485 Opto-electronic Isolation Input Relay Output IO Adapter UT-5512

5PCS Modbus RTU 4-way relay module 4-way input optocoupler isolation RS485 communication microcontroller

5PCS Modbus RTU 4-way relay module 4-way input optocoupler isolation RS485 communication microcontroller

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UOTEK Digital 4-channel RS-232 RS-485 I/O Controller with Optical Isolation RS232 RS485 Input Relay Output IO Adapter UT-5510A

Modbus RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Taidacent 7-24V 4 Channel Input RS232/TTL UART RS485 Modbus RTU Relay Module 4 CH RS 485 Modbus RTU Relay Board

Modbus RTU 4 Way Relay Module 12V 4 Way Switch Input Optocoupler Isolation RS485

Modbus RTU 4 Channel Relay Module 4CH Input Optocoupler Isolation RS485 MCU For Arduino

Mobus RTU 4-way relay 12V24V module module RS485 supports four-way input optocoupler isolation

SCR Serial Controller Solid State Relay PLC Amplifier Board Optocoupler Isolation RS232 / 485 4-way

Serial port 232 to 485 RS232 to 422 485 to 422 485 relay High-speed optocoupler isolation converter TVS surge protection

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