8CH dc 12V Modbus RTU RS485 Relay Module Switch Board for PLC Lamp LED PTZ Camera Remote control

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2

2

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2

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32ch din35 c45 rail box dc 12v 24v rs485 modbus rtu relay board 485 bus remote control switch for led motor plc ptz camera smart

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4

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Dc 12v 8ch analog digital input output devices 0-5v 0-10v 4-20ma dac adc rs485 modbus rtu board

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