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    Waveshare Industrial Modbus RTU 8-Ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

    • Configurable device address (1~255), multi devices can be cascaded on RS485 bus
    • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
    • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
    • Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
    • Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
    • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
    • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
    • Reverse-proof circuit, prevent the circu
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    Waveshare Industrial Modbus RTU 8-Ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 15 days
    • Return for replacement within: 30 days
    • This item is covered by Nextrix Return Policy

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