ControlByWeb

ControlByWeb is a specialized manufacturer of web-enabled industrial automation and control products, offering a comprehensive range of Ethernet-based I/O controllers, relay modules, and remote monitoring solutions. The company focuses on bridging the gap between physical hardware and network-based control, enabling users to monitor and manage equipment from any web browser. With a product line spanning industrial automation, networking solutions, sensors, and transducers, ControlByWeb serves engineers and system integrators across multiple sectors who require dependable, IP-accessible control systems.

The ControlByWeb product portfolio includes digital and analog input/output modules, temperature and humidity sensors, relay control boards, and specialized transducers designed for industrial-grade applications. These devices are engineered for easy deployment in environments such as data centers, greenhouses, cold storage facilities, water treatment plants, and manufacturing floors. Supporting standard protocols including HTTP, Modbus, MQTT, and SNMP, ControlByWeb devices integrate seamlessly into existing networked control systems, making them a versatile choice for both new installations and retrofits. The catalog features 42 products addressing diverse monitoring and automation requirements.

As an authorized distributor, 3J LIMITED supplies the full range of ControlByWeb products to customers seeking reliable networked automation solutions. 3J LIMITED provides technical support, product selection guidance, and competitive pricing for ControlByWeb's industrial controllers, sensors, and networking devices. Engineers and procurement specialists can rely on 3J LIMITED to deliver ControlByWeb's web-enabled automation hardware with the documentation and service needed for successful project deployment across industrial and commercial applications.