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ControlByWeb Application

Remotely monitor a storage unit's door and receive a notification if the door is opened. No wiring necessary!


Wirelessly monitor the open status of a storage unit's door with the XW-111 (for storage facilities with an available Wi-Fi network).

Configure the XW-111 to monitor the state of a magnetic contact sensor attached to a storage unit's door. Send email/text notifications to you or your customer's cell phone when a storage unit door is open.

The XW-111 requires no wiring and can be run on two AA batteries for low-power applications such as this.


  • Works on Wi-Fi
  • Battery or AC line powered
  • Remote sensor monitoring
  • Email/text alerts
  • Remote relay control (for audio or visual alarm)
  • No wiring necessary
Wirelessly monitor storage doors. Receive text/email alerts if door is opened.

With its built-in web server, the XW-111 monitors the status of a magnetic door sensor.

*The above illustration is for demonstration purposes only, it does not represent actual wiring.

Wireless Door Sensor Monitoring

In this example, the XW-111 is mounted on the inside of the storage unit. It is then wired to a magnetic contact sensor that is attached to the storage unit's door.

Text/Email Temperature Alerts

The XW-111 wakes up whenever the door sensor's break contact, which then triggers the XW-111 to send an email/text notification.

Audio/Visual Alarms

In addition to the email/text alert, you can also configure the XW-111 to trigger an audio or visual alarm (i.e., an alarm light) located in a remote location.

No Cloud Services or Monthly Fees

ControlByWeb products are stand-alone, independent devices. There are no monthly fees, and no additional software to install.

You can also use our free, CBW-Mobile app to access, control, and monitor ControlByWeb devices on one central control panel.

BEST PRODUCTS for Wireless Door Sensor Monitoring

XW-111™ Wireless Digital Input Monitor

Part number(s): XW-111B, XW-111B+PS5VW1.0-2.5mm Only available in the U.S.A. & Canada.


  • 3-position terminal to monitor switch closure inputs
  • Wireless Wi-Fi 802.11 b/g/n
  • Transmission range up to 250ft
  • Built-in web server for configuration and remote monitoring


  • Send encrypted email alarms and weekly status alerts (up to 3 addresses)
  • Schedule when email/text alerts should be sent
  • Power supply & battery options
  • Small data packets provide long battery life
  • and more ...

X-600M™ | Web-Enabled I/O Controller

Part number(s): X-600M-I

HARDWARE - Expandable with modular I/O products

  • Expandable I/O: Up to 1,024 I/O points
  • Expansion Bus: Add up to 64 expansion modules and/or remote ControlByWeb® devices.
  • DIN-rail mount enclosure
  • Supports USB WiFi adapters & USB flash drives
  • 1-Wire Bus (Up to 32 temperature/humidity sensors)


  • Custom email alerts using encrypted email servers
  • Logging & automatic graphing
  • Full-calendar scheduling
  • Configurable web pages
  • Logic scripts or full programs using Lua
  • Protocols: HTTP, HTTPS, SSL, SMTP, Modbus TCP/IP, Remote Services server and client

    X-410™ | Web-Enabled Programmable Controller

    Part number(s): X-410-I, X-410-E


    Relays: 4

    Current: 1A 28VAC, 24VDC


    Digital: 4

    Type: Optically-Isolated (Shared Ground)

    1-Wire Bus: 16



    Email Alerts



    BASIC Interpreter


    Counters: Inputs 1-4

    Automatic Reboot


    HTTP, HTTPS, SSL, XML, Modbus TCP/IP, SNMP, SMTP, Remote Services

    Garage Door Sensor

    Garage Door Sensor

    Heavy duty contact closure sensor for garage door monitoring.

    Optional with both N/C or N/O Circuts

    Get alerts when door is opened or closed

    Mounting Options

    Left or Right Installation. Mounts easily onto garage door rails.

    Contact Closure Sensor (Bottom Terminals)

    Contact Closure Sensor

    Monitor doors locally and remotely with magnetic closure sensors.

    Optional with both N/C or N/O Circuts

    Get alerts when door is opened or closed

    Terminal Options

    Choose between concealed terminals located on the bottom or terminals conveniently located on the side.

    All Applications



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