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Irrigation monitoring and control is critical for efficient water use. ControlByWeb programmable I/O modules are the perfect choice for farmers looking to improve their water management.

Automatic Irrigation Systems Monitoring and Control

Smart irrigation automation creates the ability to remotely monitor and control automatic irrigation systems. Our products are perfect for using in an automatic irrigation system. Irrigation in agriculture accounts for roughly 80% of water consumption within the United States. Manual irrigation is labor intensive, time consuming and often wasteful. Meanwhile, persistent drought throughout the West forces farmers to follow careful water metering. Automated irrigation systems are a proven choice for efficient water usage.

However, automated irrigation can be expensive and complex. Many farmers can’t operate or scale a large system on their own and some can’t afford to fully transition to automation. Finding an in-budget solution with the necessary capabilities can be a challenge, but luckily there’s one answer to the issues farmers face today.

You can seamlessly automate and scale an irrigation system on a farm or ranch with ControlByWeb devices to ensure you don’t waste your most valuable resource. If a crop is over or underwatered, farmers are wasting time and money. Our in-house tech support and detailed documentation make irrigation scheduling, water level monitoring and water use management easy.

The Simple Solution
  • Tank level monitoring
  • Control valves and pumps
  • Log water usage
  • Flow
  • Built-in flow rate calculations
  • Water Pressure
  • And much more...

Common Irrigation Problems

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Equipment Can Be Expensive

Automated irrigation equipment is expensive and complex. Changes require hiring a technician.

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Difficult to Scale

Irrigation systems are difficult to scale over time. Managing new and old devices is complicated.

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Water Use Costs

Drought area requires careful water use management and data logging to avoid additional costs.

ControlByWeb™ Solutions

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Inexpensive and Easy to Use

Inexpensive, easy-to-use control modules come with full documentation and helpful technical support.

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Scalable I/O devices work together seamlessly through peer-to-peer communication and cross-compatibility.

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Reduce Waste and Fees

Easily monitor and log water use to prevent waste, inefficient irrigation and fines.

How ControlByWeb® Works


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Case Study: California Avacado Orchard

Greg Julius manages a 44-acre plot of land in Camarillo, California for St. John’s Seminary that features an avocado and lemon tree ranch. He was fed up with the steep costs, lack luster tech support, and difficult-to-use equipment of his previous system. He wanted a simpler irrigation solution. Countless hours were spent managing his automation system, which required calling in a technician for seemingly minor issues. When searching for a better solution he came across ControlByWeb, and according to Greg, we are “everything that he had ever dreamt of”.

Using ControlByWeb’s 400 Series to monitor and automate irrigation keeps watering on a tight schedule and easily logs the amount of water being used. These automated controllers allow for quick, simple and efficient irrigation management that leads to higher profits and better results. Switching to ControlByWeb meant Greg was able to make the transition to a more effective solution on his own.

Greg’s irrigation system is automated by the following ControlByWeb products:

  • X-400 – Modular I/O controller
  • X-401 – Dual relay and digital input module
  • X-420 – 4 Analog-to-Digital inputs, 2 digital I/O, up to 16 1-wire sensors
  • X-17 – A 4 Relay, 4 input expansion module
  • X-22 – An 8 Analog input expansion module

An X-400 with connected expansion modules creates a wide variety of automation options and makes remote monitoring easy. These units are currently being run through an ethernet connection, but he hopes to move to cellular in the near future. Changing to cellular will make data acquisition even easier.

The switch to ControlByWeb prevents the many long and complicated calls to a technical support engineer. Over time, Greg has learned how to use and tweak his new automation software to fit his specific needs. These changes have led to:

  • Less time spent calling technical support
  • More time to improve his ranch
  • Higher yield

When he needs support from time to time, the ControlByWeb tech support team is there to help. Greg speaks highly of ControlByWeb and our in-house tech support team. He told us, “If not for CBW technical support, I wouldn’t be where I’m at. They’ve been very patient with helping me get through this”. We take pride in our knowledgeable support team.

drip irrigation for orchards

Six Reasons Why You Should Choose ControlByWeb®

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Industrial-Grade Reliability Is Our First Priority

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Scalable Solutions for any Industrial Application

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Cost Effective, Self-Contained I/O Devices

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Flexible Communications and Compatibility

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Responsive Support and Thorough Documentation

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Founded in 1999 and Manufactured in the USA

Irrigation Control System Kit


The expandable 400 Series devices provide flexible scalability and cellular connectivity, meaning there’s a combination of devices available to fit your needs. Expansion capabilities allow you to easily upgrade your control system to fit any additional needs. The built-in Task Builder makes the process simple and doesn’t require any software programming knowledge.

With plenty of digital inputs, analog inputs and relays, you can automate equipment for an entire orchard/farm. Easily control and monitor water tank level, pressure, pumps, flow, valves, etc.


  • X-400 Master Controller | Supports up to 32 expansion modules
  • X-401 | Dual Relay and Input Module
  • X-420 | Data Acquisition & Control.
  • X-17s | 4 Relays, 4 Digital Inputs
  • X-22s | 8 Analog Inputs
  • Non-guided Radar | Non-contact continuous level sensor
  • Power Supplies | Powers all units

Product Comparison for Warehouse & Cold Chain Temperature Monitoring

Name X-410 X-400 X-420
Temp/Humidity Sensors Supported Up to 16 Up to 16 Up to 16
Relays 4 Up to 64* 2
(Digital I/O)
Ditial Inputs 4 Up to 64* 2
(Digital I/O)
Analog Inputs - Up to 64* 4
Custom Logic Interface
No coding required
Scripting Basic Script Basic Script Basic Script
Email/Text Notifications
Custom subject line

Custom subject line

Custom subject line
Log Sensor Data
Admin/Manager/User Access Roles
3 (3 user groups)

3 (3 user groups)

3 (3 user groups)
Password Protected (Optional)
Price $269.95 $249.95* $359.95
More Information More Information More Information

* May require an expansion module(s). The X-400 is a master controller compatible with expansion modules which contain a variety of I/O combinations. It can handle up to 64 I/O total (up to 64 of an I/O type (relays, temp sensors, etc.)).

Frequently Asked Questions


ControlByWeb equipment can be installed indoors or outdoors. Modules will need protection from moisture, typically in an enclosure. The operating temperature range depends on the unit and can be found in the products user’s manual or in the “Specs” section on the products webpage.


ControlByWeb is best for integrators that want control and want to understand how their automation system works. For technical consumers, like control engineers or systems integrators, our system is simpler than most.


We carry temperature, humidity, pressure, level, and contact sensors. These provide a broad base for industrial automation, especially for remote sites.


Yes, settings can be easily backed up and replicated in case of unforeseen failures. Find out more here.


You do not need a cloud subscription, but you can certainly add our cloud to make monitoring easier. Our modules are built to be stand-alone devices with on-board logic. To enable remote access, you have two options: use port forwarding or purchase a cloud subscription. The ControlByWeb cloud is an optional add-on to make access easier, but you can still monitor your warehouse temperature remotely without it.


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