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    2 PCS 8 Channel 12V 24V Relay Shield Module RS485 PLC IO Expanding Board

    • Item No : 334583402715
    • Condition : New
    • Brand : eletechsup
    • Seller : bluesky201203
    • Current Bid : US $35.99

    • * Item Description

    • 3 On-board resources: 1x RS485 Interface 8x opto-isolated inputs (low level trigger, NPN type), 4x buttons, 1x 4 bit digital tube display, 1x NANO V3.0 slots, 8x relay outputs. RS485 Master-Slave Device(PLC MCU).
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