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    Modbus RTU Switch Quantity Input Output 4 Way into 4 Circuit Relay Output Module

    • Item No : 388660015854
    • Condition : New
    • Brand : Unbranded
    • Seller : nicecrystore005
    • Current Bid : US $8.45

    • * Item Description

    • 1 X Modbus RTU 4 Way Relay Module. IN1 - GND (default is high level, low level after switching on) computer sends instructions to read switch status. IN2 - GND (default is high level, low level after switching on) computer sends instructions to read switch status.
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