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    1X 12V Modbus RTU 4 Way Relay Module STM8S103 4 Road Input RS485 Communication

    • Item No : 264989822655
    • Condition : New
    • Brand : Unbranded
    • Seller : mecklenburg8
    • Current Bid : US $7.92

    • * Item Description

    • Modbus RTU instruction. RS485 communication interface. The status of the switch can only be read by the computer. 7.1 relay status indicator LED lights. Relay No. 1 is on: 01 05 00 01 01 00 9d 9a. TTL communication interface.
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