Our Ethernet I/O products provide an easy and reliable way to monitor and control electric devices over a network.
Every product is designed for simplicity and rock-solid performance, making remote relay control straight-forward and dependable.
Built-in web servers, allow access by a standard web-browser. There is no special software or app required, no drivers to install, and no monthly subscription.
Use Modbus/TCP to easily integrate into SCADA and industrial automation systems or use as single, stand-alone devices; right out of the box.
Link them up in in pairs (peer-to-peer) over IP networks without using an external controller.
Use these products as Modbus/TCP cards to expand your SCADA system. Easily read status of digital inputs, temperature, etc. and control digital outputs using standard Modbus commands!
It is simple to use the builtin web-server to remotely monitor and control, even without using SCADA.
CBW Mobile, the iPhone and Android app that integrates with ControlByWeb's Ethernet I/0 products. It allows you to control and access Ethernet controlled relays, digital inputs, analog inputs, temperature and humidity sensors, and much more.
Best of all, no fees and no subscription! Try it out now!
The WebRelay Wireless™ is an easy to use Wi-Fi enabled relay, temperature/humidity monitor and status alerting device.
Built-in relay for controlling lights, motors and other relatively high current loads, a digital input to monitor and report the status of switch-closure sensors and a “1-Wire” port for connecting up to four digital temperature/humidity 1-Wire sensors.Features: