Description
The XW-210-I (WebRelay Wireless™) by ControlByWeb® is a compact, Wi-Fi-enabled I/O module featuring a powerful SPDT relay, a single optically-isolated digital input, and support for up to four temperature sensors. It’s engineered for remote control and monitoring applications where Ethernet wiring is impractical—making it perfect for smart buildings, equipment automation, and environmental monitoring. This device is powered by 9–28 VDC and features a built-in web server, email notifications, and peer-to-peer capabilities for direct device-to-device control—no subscriptions or cloud services required.
Key Features
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1 SPDT Relay (12A @ 277VAC / 30VDC) for switching lights, fans, gates, pumps, etc.
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1 Digital Input (4–26 VDC) for detecting switch states, counters, or alarms
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Wi-Fi Connectivity (802.11 b/g/n) – ideal for wireless control
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Temperature/Humidity Monitoring – supports up to 4 DS18B20 sensors
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Built-In Web Server & No-Code Logic Builder – configure schedules, control logic, and email alerts right in the browser
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Peer-to-Peer Communication – trigger actions between ControlByWeb devices
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Access Point & WPS Modes for simplified setup
Specifications
| Category | Details |
|---|---|
| Model | XW-210-I (WebRelay Wireless™) |
| Relay | 1× SPDT (Form C), 12A @ 277VAC / 30VDC, <30 mΩ contact resistance |
| Digital Input | 1× Optically-Isolated (4–26 VDC), 20 Hz max, edge triggered (rising/falling) |
| Temperature Sensors | Supports up to 4× DS18B20 (-55 °C to +125 °C, ±0.5 °C accuracy) |
| Humidity Sensor | Optional X-DTHS-P sensor (0–100% RH, ±2% accuracy) |
| Power Supply | 9–28 VDC (188 mA max) |
| Wireless | WiFi 802.11 b/g/n; up to 250 ft range; WPA/WPA2/WEP security |
| Web Interface | Access via browser; AP mode, WPS, and P2P logic setup supported |
| Advanced Logic | Built-in BASIC interpreter, event logging (512K), circular buffer |
| Protocols | HTTP, XML, SSL, Modbus TCP/IP, SMTP, state.xml |
| Logging | 512K Flash, downloadable via web interface |
| Environmental | Operating Temp: –40 °F to 135 °F; 5–95% RH non-condensing |
| Enclosure | Lexan 940 Polycarbonate, UL94 V0; 1.41″ W × 3.88″ H × 3.1″ D (5 oz) |
| Compliance | FCC, IC, UL 61010-1, CISPR, EN55022/24 |
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