IIoT Controllers with a Browser-Based UI
We Enable Systems Integrators, Engineers, and Technicians to Capture and Use Industrial Data Easier Than Ever Before.
Best Sellers
Reliable & flexible I/O devices for industrial automation applications. In stock now and ready to ship!
WebRelay
- 1 Input & 1 Relay
- Ethernet, Cell, & WiFi Options
- 9-28VDC and/or POE
X-410
- 4 Inputs & 4 Relays
- Up to 16 1-Wire Temp Sensors
- Ethernet, Cell, & WiFi Options
WebRelay-Quad
- 4 Relays
- Ethernet, Cell, & WiFi Options
- 9-28VDC and/or POE
X-401
- 2 Inputs & 2 Relays
- Ethernet, Cell, & WiFi Options
- 9-28VDC and/or POE
Why Choose ControlByWeb®
Program Logic Easier & Without Code
ControlByWeb® relays have a built-in, browser-based user interface that makes setup and programming simpler than legacy I/O systems. The Task Builder lets you program conditional and scheduled logic, without code, to easily control relays, data logging, email alerts, Modbus registers, and more through simple drop‐down menus. View your input data and control relays on the easy-to-use control page.
X-410™ Live Demo
Take a self-guided tour of the built-in firmware included with our best selling X-410.
Use the Setup Page to set up I/O, change settings, and create logic with intuitive dropdown menus.
Use the Control Page to see and change the state of relays and inputs at a glance.
*Setup page login information: Username: admin Password: webrelay
Schedule A Guided Walkthrough
Want a little extra guidance? Schedule a 15-minute guided demo with our sales engineers. They’ll show you how it works for your application.
All-Purpose Flexibility
Our IoT controllers are designed specifically to be configured by the user for nearly any setting. This makes ControlByWeb edge devices perfect for a broad range of use cases from light commercial to heavy industrial applications.
"No other product offers this flexibility."
“Reliability and flexibility. The ability to program using xml has been a key solution for us, building a BAS from scratch with open source software. No other product offers this flexibility and expandability.”
"Any field data ... in a hot minute!"
“A built-in web server, data via XML, SNMP, and email services. I can take any field data and access it with backend IT systems in a hot minute!”
"From anywhere on our network."
“The ability to link functions across our four buildings and schedule older legacy equipment is very helpful and we can do that from anywhere on our network.”
ControlByWeb Cloud
Make remote access, monitoring, and control easier with the ControlByWeb Cloud. Our Basic plan makes access and data logging much easier, with parent/child account management and full access to our cloud API. Our Advanced plan adds dashboards, reports, and longer data log storage.
Powerful Platform Features
ControlByWeb edge controllers include a robust set of features right out of the box. Easily set up notifications, extend your I/O with P2P networking, and build dashboards and data logs in a few clicks.
Peer-to-Peer Mesh
P2P I/O sharing in a mesh architecture lets you build a standalone edge processing system.
Secure IIot
Hardened features like TLS encryption, IP filtering, and regular testing makes our devices secure.
Control Page Dashboard
Browser-based control page makes viewing data and controlling relays simple.
Made in the USA Since 1999
Everything we manufacture is built and supported at our facility in northern Utah, USA. When you contact us, a knowledgeable, in-house staff member is on the other end.
Industry-Leading 5-Year Warranty
Decades of use in the field have proven our devices to be highly reliable. We use quality components that will stand up to your application.
Risk-Free Returns
We’re confident that our controllers will meet or exceed your expectations. If, for any reason, our devices aren’t the right fit, you can return them within the first 30 days. See full return policy.
Industries and Applications
Systems Integrators and Controls Engineers use our products around the world in a massive variety of industries and applications.
Industries We Serve
- Security
- Building Automation
- Refrigeration
Application Solutions
- Smart Relay Control
- Data Acquisition
- Remote Monitoring and Control
Related Applications
About ControlByWeb®
We have been innovating in the Industrial Internet of Things (IIoT) for over 20 years. Our founder combined his expertise in electrical engineering and remote communications, founding the company in 1999 to provide systems integration, instrumentation, and controls. In 2005, we switched to designing and manufacturing highly reliable, easy-to-use, remotely accessible, and extremely flexible I/O control modules. We’ve never looked back.
"ControlByWeb has really taken what's possible to another level."
“I claim myself to be an automation junkie, and ControlByWeb has really taken what’s possible to another level. I’ve yet to concoct a scheme that ControlByWeb hasn’t brought to reality.”
"Simple ... reliable ... and fantastic support."
“Simple to set up, extremely reliable, and fantastic support.”
"The quality of the product is everything."
“They are well designed, the quality of the product is everything it should be and they solve problems that other products can not.”
"Ease of programming ... compared to Allen Bradley."
“I like the ease of programming and web interface compared to the Allen Bradley plc’s I use at work. When I have an issue I can’t figure out, the technical staff has always steered me in the correct direction.”