ControlByWeb WebRelay™ Single Relay & Input Modules
ControlByWeb WebRelay™ Single Relay and Input Modules feature updated firmware and optional Wi-Fi® or cellular connectivity, delivering robust remote relay control at the edge of systems. These WebRelay devices are engineered for industrial reliability and flexible deployment without licensing fees or vendor lock-in. The streamlined browser-based interface and open REST API seamlessly integrate with PLCs, SCADA platforms, and IIoT applications. CWB WebRelay Single Relay and Input Modules can be deployed as stand-alone controllers or as part of a larger automation network. Either format provides dependable performance in commercial, industrial, and OEM environments.
Features
- 1x optically isolated input
- 1x relay
- Updated firmware
- Wi-Fi connectivity (X-WR-441W only)
- Cellular connectivity (X-WR-441CW only)
- Peer-to-peer network to control, monitor, and log 32 remote modules, or up to 64 I/O
- User permissions include admin, manager, and user
- Optional ControlByWeb Cloud service for logging, device data, and reports
- Send email alerts based on user-defined conditions
- Highly configurable - almost any combination of input/relay control possible
- No software required
- Customizable web-based control page
- BASIC script support for advanced flexibility
- Configurable logging
- HTTPS/TLS encrypted
- Modbus, SNMP, remote service, and IP filtering
- 5-year warranty
Applications
- Pump and motor control
- Lighting control
- Remote and network device rebooting
- Security lock systems
- Remote relay and PLC control
- Industrial automation
Overview
Additional Resources
Publicado: 2026-08-07
| Actualizado: 2026-08-10