ControlByWeb® Relays, Sensors, and Accessories

Capture robust data at the edge with flexible I/O controllers and components that are manufactured, sold, and supported in-house.

  • X-404 and X-404C Modbus Master Controller

    X-404™ | Modbus RS-485 Module

    $399.99$499.99
    X-404-I,X-404C-I-CA
    The X-404™ is purpose-built to monitor up to 32 Modbus RS-485 devices and/or sensors. It also includes a 1-wire bus for temperature and humidity monitoring.

    The X-404C offers wireless capability with a built-in, low-power LTE-M cellular radio. Cellular models with an annual data plan include a dual SIM that provides combined coverage through AT&T and T-Mobile, automatically switching between the two for the best coverage.

    Modbus RS-485 input

    Up to 16 temperature sensors

    Cellular version available

    [frequentlyBought ids="7624,7927,34491,7793"]

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