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X-320 | Web Enabled I/O
5 Year Warranty

X-320 features 2 Digital I/O, 4 Analog to Digital Inputs, 6 Temperature/Humidity Inputs, Frequency Input, and a built-in web-server for remote access anywhere.


The X-320™ is a high-end web-based instrumentation module that can be used in a variety of scientific and industrial applications such as energy/power monitoring, meteorology, process control, and much more.

It has a combination of analog and digital inputs that can be used with the appropriate sensors* for measuring voltage, current, temperature, wind speed, solar radiation, fluid level, flow, frequency, count, etc. Two digital inputs can be user-configured as outputs capable of driving solid state relays or triggering the input of another controller.

Like all of the ControlByWeb products, the X-320 has a built-in web server and all of the data it measures can be viewed using a web browser (or custom computer application). Setup is simple; There is no app to download, no subscription to buy, no software required, and no programming required for setup or use. Even with its simplicity, the X-320 has many advanced features including the ability to create BASIC scripts, SNMP, peer-to-peer communications, email alerts, and full calendar scheduling.

The X-320 is designed for accuracy and reliability, and is an innovative solution for a number of applications.

* Sensors can be purchased from a variety of sources. X-320 does not include sensors.


The X-320 is versatile and has many applications. A few examples are listed below.

The X-320's powerful and flexible design make imagination its only limit.

  • Process Controller
    Control relay outputs based on pressure, frequency, temperature, switch states, and schedule.
  • Industrial
    Monitor equipment use and power consumption using the provided frequency input, analog inputs, and pulse counters.
  • Environmental Sites
    Monitor fluid levels, wind speed, and temperature for control of pumps or other equipment.
  • Road Maintenance
    Send email or SMS alerts to maintenance crews based on precipitation, temperature, solar radiation, wind speed.
  • Remote Generator Starter and Control
    Get real-time feedback on generator operation and output. Remotely start generator based on monitored battery levels.
  • Irrigation Systems
    Monitor solar radiation, wind speed, and temperature to aid in irrigation planning.


  • Two, programmable Digital I/O (Inputs can be used as scalable-counters)
  • Four high-resolution analog inputs
  • One-wire bus for up to 6 temperature sensors
  • Dedicated frequency input, 130kHz max
  • Control up to three remote relays
  • Real-Time Clock with NTP server synchronization
  • Automatic daylight savings and leap year adjustment
  • Full calendar scheduling with 50 programmable events
  • No software required
  • Customizable web-based control page
  • BASIC script support for advanced flexibility
  • Configurable logging
  • Send email alerts based on user defined conditions
  • Static or DHCP IP address configuration
  • XML, Modbus/TCP, and SNMP interface options
  • Field updatable
  • Removable 14-Terminal connector for easy installation
  • Rugged DIN-Rail/wall-mountable enclosure
CE listed RoHS compliant Made in the USA


Monitor Fluid Levels

Basic configuration for monitoring fluid levels using the analog inputs

X-320 Monitoring liquid levels

Control External Relay

Controlling an external relay using one of the Digital I/O configured as an Output

X-320 controlling an external relay that controls a motor

X-320 Part Number

X-320-I Digital I/O: 2 (configurable) Analog: 4
Temp: 6
Frequency: 1
9-28 VDC

More Information:


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Warning: May contain chemicals, including Nickel (metallic), known to the State of California to cause cancer and reproductive harm. -



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