ControlByWeb

ControlByWeb.com

ControlByWeb logo with text "CONTROL by WEB" and website "www.ControlByWeb.com" in blue on a white background.

Leading Excellence in Reliable Industrial IoT Control

Since 1999, ControlByWeb has pioneered the use of browser-based servers in input/output (I/O) modules. The company’s industrial-grade, browser-based I/O and automation hardware enables secure remote monitoring and control in mission-critical applications. Users access field equipment from any browser without:

  • Software
  • Gateways
  • Recurring licensing

Customers rely on ControlByWeb products for long-term reliability and robust cybersecurity. The company serves customers across the Americas, EMEA and APAC regions in industries like:

  • Telecom
  • Utilities
  • Manufacturing
  • Energy
  • Agriculture
  • Government

Industrial IoT Capabilities

A collage showing industrial equipment, solar panels, a water treatment facility, a traffic sign, and a ControlByWeb controller product info text box in the center.ControlByWeb devices offer a wide range of remote monitoring and control for sensors and electromechanical devices. I/O options include:

  • Digital and analog inputs
  • Relay outputs
  • High-current control
  • Temperature and environmental sensing
  • Pulse and flow counting

Devices support Internet of Things (IoT)-friendly communication methods as well as industrial and IT protocols, such as:

  • Modbus TCP
  • Hypertext Transfer Protocol (HTTP)
  • Hypertext Transfer Protocol Secure (HTTPS)
  • Simple Network Management Protocol (SNMP)
  • Message Queuing Telemetry Transport (MQTT)
  • Simple Mail Transfer Protocol (SMTP)

Each device features an onboard web server for configuration and control, eliminating the need for proprietary software. A built-in, with or without code logic engine, lets users create automated responses and custom features directly on the device, including:

  • Rules
  • Schedules
  • Alarms

Edge processing ensures critical control sequences continue even if the cloud or control center connection is interrupted.

Role in the IoT and Industrial Ecosystem

ControlByWeb forms a reliable bridge between physical equipment and modern IoT platforms. The company provides a sensor and automation layer that captures field data and initiates remote control actions. Devices provide a flexible automation and data-acquisition layer for new and legacy deployments that integrate easily with:

  • SCADA systems
  • Cloud services
  • Third-party dashboards
  • Industrial controllers

Achieving Industrial Excellence Through Partnership

ControlByWeb combines its hardware with Telit Cinterion connectivity to provide resilient, end-to-end IoT solutions. Telit Cinterion ensures secure, managed connectivity to cloud and enterprise systems. This partnership gives customers a complete, field-proven solution for connecting mission-critical assets in demanding environments.

Telit Cinterion’s cellular modules and connectivity services deliver secure, scalable backhaul for distributed ControlByWeb installations. Wide-area deployments can communicate peer-to-peer over Telit Cinterion cellular connections without a VPN.

Together, the companies enable rapid deployment of remote monitoring for locations without fixed network infrastructure. Customers benefit from improved uptime through:

  • Reliable cellular coverage
  • Carrier-certified performance
  • Global scalability

As an Industry 4.0 partner, ControlByWeb connects field I/O to the deviceWISE® IoT platform and other enterprise systems using standards‑based protocols. This allows operations teams to:

  • Unify data from remote assets
  • Add analytics and visualization
  • Orchestrate control actions

Integration is simplified through open protocols that work seamlessly with deviceWISE and other industrial IoT (IIoT) platforms. Built-in logic and reusable templates across sites help reduce engineering efforts and speed implementation.

This joint architecture helps ensure long‑term operational stability and scalability for industrial and IoT projects worldwide.

ControlByWeb: Use Cases

Oil and Gas

  • Remote wellhead monitoring
  • Tank level and pressure monitoring
  • Pipeline sensors
  • Hazardous-site automation

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Security

  • Access control
  • Door and gate automation
  • Intrusion inputs
  • Supervisory alarms
  • Environmental monitoring for secure locations

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Utilities and Water Systems

  • Management of lift stations, pumps, tanks and flow sensors
  • Reduction of on-site maintenance

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Industrial Automation

  • Remote status monitoring
  • Alarm notifications
  • Equipment resets

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Telecom and Broadcast

  • Monitoring of tower conditions, environmental sensors, battery levels and security inputs
  • Remote equipment rebooting

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Agriculture

  • Irrigation control
  • Environmental sensing
  • Facility automation

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Partner Showcase

A web-enabled X410 control module with labeled input/output terminals, indicator lights, and an Ethernet port.

X-410™ Edge Programmable Controller

Versatile Industrial I/O Controller for Reliable Edge Control

The X-410 is the most versatile option in this set when you need discrete I/O plus sensor expanison. It’s ideal for edge monitoring/control projects that also require temperature and optional humidity data. 

On-board I/O:

  • Relays: 4x SPST (Form A), shared common, 1A max, 28VAC/24VDC max
  • Digital inputs: 4x optically-isolated, 4-26VDC (minimum hold time 20ms)
  • Temperature sensors: Up to 16x 1-Wire DS18B20, -55°C  to +125°C, ±0.5°C (-10°C to +85°C), up to 600 ft (180m) total cable 
  • Humidity (optional):  0–100% RH, ±2% (with X-DTHS-P sensor)

Connectivity:

  • Ethernet
  • Wi-Fi
  • Cellular

Integration:

  • HTTP GET
  • MQTT
  • Modbus TCP/IP
  • XML/JSON
  • SNMP
  • Cloud API

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A web-enabled relay module with input and relay terminals, communication port, and an Ethernet port on the front panel.

WebRelay™ Single Relay and Input Module

Engineered for Industrial Reliability and Flexible Deployment

The WebRelay is the best choice when you want one robust, higher-current relay with a single isolated input. It’s ideal for:

  • Remote switching
  • Reboot control
  • Seamless “one circuit + feedback” deployment 

On-board I/O:

  • Relay: 1x SPDT (Form C), 12A max, 240VAC/30VDC max
  • Digital input: 1x optically-isolated, 4-26VDC, 1500V isolation (minimum hold time 62.5ms)

Connectivity:

  • Ethernet
  • Wi-Fi
  • Cellular

Integration:

  • HTTP GET
  • MQTT
  • Modbus TCP/IP
  • XML/JSON
  • SNMP
  • Cloud API

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A web-enabled relay module with eight green terminal connectors, status LEDs, and an Ethernet port on the front panel.

WebRelay-Quad™ 4 Web-Controlled Relays

Streamline Relay Control with Powerful Options

 WebRelay-Quad is purpose-built for applications that need multiple relay outputs in one compact module. It’s ideal for controlling several zones/circuits without adding inputs you don’t need.

On-board I/O: 

  • Relays: 4 x SPDT (Form C), 3A max, 28VAC/24VDC max    

Connectivity: 

  • Ethernet 
  • Wi-Fi 
  • Cellular 

Integration:

  • HTTP GET
  • MQTT
  • Modbus TCP/IP
  • XML/JSON
  • SNMP
  • Cloud API

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Rectangular electronic device labeled "X-401," featuring green input/output terminals, an Ethernet port, indicator lights, and the words "WEB-ENABLED" printed on the side.

X-401™ Dual Relay and Input Module

Combines Two Form C SPDT Relays with Two Optically Isolated Inputs

The X-401 is the best “balanced” choice when you need both outputs and input feedback. Two relays plus two isolated inputs used for:

  • Status monitoring
  • Counting
  • Triggering logic

On-board I/O:

  • Relays: 2 x SPDT (Form C), 3A max, 28VAC/24VDC max
  • Digital inputs: 2 x optically-isolated, 4-26VDC (minimum hold time 20ms)  

Connectivity:  

  • Ethernet 
  • Wi-Fi 
  • Cellular 

Integrations:

  • HTTP GET
  • MQTT
  • Modbus TCP/IP
  • XML/JSON
  • SNMP
  • Cloud API

Learn More