ControlByWeb® WiFi PLCs ControlByWeb® WiFi PLCs The Benefits of WiFi in IIoT Flexible WiFi-enabled PLCs are often used when a hardwired Ethernet connection isn’t feasible. It may be impossible to pull or install wire in an existing structure, for example. Cost-Saving With WiFi, integrators can avoid the expense of burying a line, channeling Ethernet cables, […]

  • X-410 with WiFi and POE Icons

    X-410™ | Edge Programmable Controller

    $299.99$329.99
    X-410W-I,X-410-I,X-410-E
    Simplify any industrial application with the X-410™—no code necessary. Automation is easy with its web-based interface, intuitive drop-down menus, and logic editor. Integrate different devices, sensors, and protocols to create a cohesive system that responds intelligently to changing conditions. Control lights, sensors, and more with built-in I/O and expandable modules.

    4 Relays

    4 Digital Inputs

    Up to 16 Temp Sensors

    WiFi is Now Available. Note that X-410W models include WiFi capability which allows for more flexibility and cost savings for your application.

    [frequentlyBought ids="7624,34491,7540,7798"]

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  • X-401 with WiFi and POE Icon

    X-401™ | Dual Relay and Input Module

    $269.99$299.99
    X-401W-I,X-401-I,X-401-E
    The X-401™ has two SDPT relays (form C) and two optically isolated inputs. It also shares the same benefits as other 400 series devices, which includes a built-in web server and simple, no-code logic builder. Monitor locks and lights, reboot devices like IP cameras, control bells and alarms, and much more with the X-401.

    2 Relays

    2 Digital Inputs

    WiFi is Now Available. Note that X-401W models include WiFi capability which allows for more flexibility and cost savings for your application.

    [frequentlyBought ids="7624,7621,7798,34091"]

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  • X-410 with WiFi and POE Icons

    X-410™ | Edge Programmable Controller

    $299.99$329.99
    X-410W-I,X-410-I,X-410-E
    Simplify any industrial application with the X-410™—no code necessary. Automation is easy with its web-based interface, intuitive drop-down menus, and logic editor. Integrate different devices, sensors, and protocols to create a cohesive system that responds intelligently to changing conditions. Control lights, sensors, and more with built-in I/O and expandable modules.

    4 Relays

    4 Digital Inputs

    Up to 16 Temp Sensors

    WiFi is Now Available. Note that X-410W models include WiFi capability which allows for more flexibility and cost savings for your application.

    [frequentlyBought ids="7624,34491,7540,7798"]

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  • X-401 with WiFi and POE Icon

    X-401™ | Dual Relay and Input Module

    $269.99$299.99
    X-401W-I,X-401-I,X-401-E
    The X-401™ has two SDPT relays (form C) and two optically isolated inputs. It also shares the same benefits as other 400 series devices, which includes a built-in web server and simple, no-code logic builder. Monitor locks and lights, reboot devices like IP cameras, control bells and alarms, and much more with the X-401.

    2 Relays

    2 Digital Inputs

    WiFi is Now Available. Note that X-401W models include WiFi capability which allows for more flexibility and cost savings for your application.

    [frequentlyBought ids="7624,7621,7798,34091"]

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  • FridgeAlert with WiFi and Cell Icons

    FridgeAlert | Temperature Monitoring With Touch Screen

    $599.99$699.99
    FA100,FA100C
    The FridgeAlert™ is purpose-built to monitor fridge and freezer systems. It offers smart monitoring to avoid false alarms and battery backup to continue logging temperature data while alerting of any power outages. FridgeAlert is easy to set up and features a large touchscreen display for at-a-glance information.

    FridgeAlert 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.
    • 3.5″ Touchscreen Display
    • Up to 10 Temperature Sensors
    • 1 Digital Input
    • Cellular version available

    [frequentlyBought ids="7540,7558,7573,7624"]

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  • WebRelay Wireless with WiFi Icon

    WebRelay Wireless™ | Single Relay & Input Module

    $219.99
    XW-210-I
    The WebRelay Wireless™ is a WiFi-enabled electromechanical relay with a built-in web server and optically isolated digital input.

    1 Relay (12A 277VAC, 30 VDC)

    1 Digital Input (4-26 VDC)

    Up to 4 Temperature Sensors (-67°F to 257°F / -55°C to +125°C)

    [frequentlyBought ids="7624,7540,7798"]

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Photograph of an electrical technician standing in front of a switchboard. He is holding a tablet and using an app to test WiFi speeds.

Flexible

WiFi-enabled PLCs are often used when a hardwired Ethernet connection isn’t feasible. It may be impossible to pull or install wire in an existing structure, for example.

Cost-Saving

With WiFi, integrators can avoid the expense of burying a line, channeling Ethernet cables, and installing other physical components.

Easy Installation

Our WiFi-enabled PLCs can be assigned network credentials through the built-in interface. Then, all the module needs is power and you’re ready to go.

Extended I/O

WiFi capability allows PLCs to be physically distant from the rest of the system, bridging the gap between where the data is collected and where it’s utilized.

An illustration of a ControlByWeb relay monitoring temperature of a freezer and refrigerator. The FridgeAlert includes a touchscreen display that shows current temperature of each sensor and other at-a-glance information.

Industrial refrigerators and freezers house thousands of dollars in perishable goods. Even a short fluctuation in temperature caused by fan failure, an unsealed door, or a power outage may be enough to spoil the contents. A restaurant manager’s whole week could be ruined by one faulty cooler—and it isn’t just the food and beverage industry that utilizes cold storage. Most vaccines, certain chemicals, and even mylar film prints require careful temperature control.

WiFi-enabled PLCs allow for precise, wireless monitoring of refrigeration units. They can measure ambient temperature, track how long walk-in doors are left open, verify that fans are operating, and send timely notifications when temperatures fluctuate too far from the accepted threshold for too long.

The ControlByWeb PLC featured in this application is the purpose-built Fridge-Alert™, but other WiFi-enabled PLCs like the X-410W™ offer a flexible temperature-monitoring solution.

Frequently Asked Questions

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