ControlByWeb Controllers

PLC Controllers Dual relay and input module with two SPDT (Form C) relays and two optically isolated inputs. Features browser-based interface, embedded GUI logic builder, and open protocols (Modbus, MQTT, SNMP, REST) for SCADA, PLC, and IIoT integration.

Controller Accessories Cellular, WiFi, Ethernet-enabled Modbus RS-485 master controller supporting up to 32 RS-485 devices or sensors, with 1-Wire Bus for temperature and humidity monitoring. Features browser-based interface and embedded GUI logic builder.

PLC Controllers Edge programmable controller with four relays, four digital inputs, and one temperature input. Features built-in web server, embedded GUI logic builder, and peer-to-peer expansion capability.

PLC Controllers Cellular, WiFi, Ethernet-enabled edge programmable controller with four relays, four digital inputs, and one temperature input. Includes built-in WiFi for wireless deployment and peer-to-peer expansion capability.

I/O Controllers Advanced I/O controller with 38 onboard I/O points including 16 relays, 18 digital inputs, and 4 analog inputs. Designed for demanding industrial automation and OEM applications.

Controller Accessories WiFi-enabled WebRelay single relay and input module with built-in WiFi connectivity. Features browser-based interface and open protocols for flexible wireless relay control.

Controller Accessories Cellular, WiFi, Ethernet-enabled WebRelay-Quad with four relays and built-in WiFi connectivity. Features conditional and scheduled logic builder for flexible wireless relay control.

Controller Accessories Modbus RS-485 master controller supporting up to 32 RS-485 devices or sensors, with 1-Wire Bus for temperature and humidity monitoring. Features browser-based interface and embedded GUI logic builder.

PLC Controllers WiFi-enabled edge programmable controller with four relays, four digital inputs, and one temperature input. Includes built-in WiFi for wireless deployment and peer-to-peer expansion capability.

I/O Controllers Four-channel relay and analog input module with four high-resolution analog inputs and four relays. Designed for precise process monitoring with browser-based interface and open protocol support.

Controller Accessories WiFi-enabled WebRelay-Quad with four relays and built-in WiFi connectivity. Features conditional and scheduled logic builder for flexible wireless relay control.