WebRelay Wireless™ | Single Relay & Input Module

$219.99

The WebRelay Wireless™ combines an electromechanical relay and optically-isolated digital input with secure Wi-Fi connectivity, eliminating the need for additional hardware or middleware. Its on-device web server and open API make configuration and integration straightforward, whether you’re extending SCADA systems, deploying remote monitoring, or embedding control into OEM equipment.

Designed for industrial and commercial environments, WebRelay Wireless™ provides a compact, reliable solution for edge control—without licensing fees or vendor lock-in.
  • 1 Relay (12A 277VAC, 30 VDC)
  • 1 Digital Input (4-26 VDC)
  • Up to 4 Temperature Sensors (-67°F to 257°F / -55°C to +125°C)

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WebRelay Wireless I/O controller used for gate control

Built-in WiFi for Remote I/O

The WebRelay Wireless is ideal for applications where electrical devices must be controlled or where temperature or switch-closure sensors must be monitored, and where Ethernet wiring is not accessible or practical to install. WebRelay Wireless is powered by an external wall transformer (9-28 VDC), solar panel, or other DC power source.

WebRelay Wireless Features

  • Built-In Web Server
  • Peer-to-Peer Communication
  • Email Notifications
  • No-Code Logic Builder

WebRelay Wireless Applications

  • Fridge & Freezer Monitoring
  • Door & Gate Access Control
  • Environmental Monitoring

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WebRelay Wireless Case Studies

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Access Control Thumbnail
Door & Access Control
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Building Light Automation Image
Building Lights Automation
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Security camera
Security Camera Monitoring & Control
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Specifications

Power Requirements
  • Voltage: 9-28 VDC
  • Max Current: 188 mA Max
Wireless
  • Network Standards: IEEE 802.11 b/g/n
  • Frequency Band: 2.412 – 2.462 GHz
  • Wi-Fi Security Standards: Open, WEP, WPA, WPA2
  • Network Settings: DHCP or Static
  • Wireless Range: Up to 250ft (typical for Wi-Fi devices) depends on environment
  • Antenna (included): External, 2.4 GHz, 50Ohm, omni directional, 1/4 wavelength, gain: ≤ 2.1dBi. With articulated reverse SMA connector.
  • RF Output Power (typ): 14dBM (802.11b/g), 12dBM (802.11n)
Operation
  • Provisioning: Via internal web server (no cables or PC utilities needed)
  • Access Point: Yes, push button activated (setup via web page)
  • WPS: Yes, push button activated (Wi-Fi Protected Setup)
  • Connectivity: Always connected
  • Remote Server: ControlByWeb’s X-600M™, or cloud-based server
  • Polling: state.xml (web-server is always active)
Relay Contacts
  • Number of Relays: 1
  • Max Voltage: 277VAC, 30VDC
  • Max Current: 12A
  • Contact Type: SPDT (Form C)
  • Load Type: General Purpose
  • Contact Resistance: < 30 milliohms initial
  • Contact Material: AgSnO2
  • Electrical Life: 100K cycles (Typical)
  • Mechanical Life: 10M cycles (Typical)
  • Environmental Rating: Over voltage Category II, Pollution Degree 2
  • Relay Modes: ON/OFF or Pulsed
  • Pulse Timer Duration: 0.1 to 86,400 Seconds (1-day)
Digital Inputs
  • Number of Inputs: 1
  • Type: Optically-Isolated
  • Voltage Range: 4-26 VDC
  • Current: 950uA @ 4V, 8.5mA @ 26V
  • Minimum Hold Time: 25mS
  • Input Functions: Monitor, Local Relay Control, Remote Relay Control
  • Maximum Count: 24-bit
  • Max Count Rate: 20Hz Max (Dependent on Configuration)
  • Edge Trigger: Rising, Falling or Both
Temperature Sensors
  • Maximum Number of Sensors: 4
  • Type: Dallas Semiconductor DS18B20
  • Temperature Range: -67°F to 257°F (-55°C to +125°C)
  • Accuracy: ±0.5°C (from -10°C to +85°C)
  • Sensor Functions: Monitor Temperature, Email Alerts, Control Relays
  • Humidity Type: Xytronix Model X-DTHS-P sensor
  • Humidity Range: 0-100% RH
  • Accuracy: ±2%
Real-Time Clock
  • Manual or NTP(Network Time Protocol) setup
  • NTP Sync Period: Once, Daily, Weekly, On Powerup
  • Auto Daylight Savings Adjustment
Connectors
  • Relay: 3-Position Removable
  • Power/Input/Temperature: 8-Position, 3.81mm terminal spacing, Removable. For 16-28 AWG wire.
Push Buttons
  • Button 1: Force access-point mode
  • Button 2: Activate WPS mode
LED Indicators
  • Number of LEDs: 4
    • Power on
    • Relay coil energized
    • Digital Input
    • Network linked
Physical
  • Operating Temperature: -40°F to 135°F (-40°C to 57°C)
  • Storage Temperature: -40°F to 185°F (-40°C to 85°C)
  • Humidity: 5% to 95% non condensing
  • Size:
    • 1.41in (35.7mm) wide
    • 3.88in (98.5mm) tall
    • 3.1in (78mm) deep (not including connector)
  • Weight: 5 oz (142 grams)
  • Enclosure Material: Lexan 940 Polycarbonate Plastic
  • Enclosure Flame Rating: UL94 V0
Protocols
  • HTTP, XML, SSL, Modbus TCP/IP, SMTP, Remote Services
Logging
  • Log File Size: 512K
  • Storage: Nonvolatile Flash
  • Buffer Architecture: Circular Buffer

Log data can be periodically read and stored on a computer

Advanced Features
  • BASIC interpreter
  • Remote services
Password Settings
  • Password protection on setup page: Yes
  • Password protection on control page: Optional
  • Password Encoding: Base 64
  • Password Length: 13 Characters
Electromagnetic Compliance
  • FCC ID: 2AE4Z-XWD002
  • FCC 47CFR15 (Class B)
  • IEC CISPR 22, CISPR 24
  • EN55024 ITE Immunity (2010)
  • EN55022 Emissions (2010)
  • IC: 21441-XWD002
  • EMC95120-ETSI328 (Australia)
  • EMC95120-IEC62311 (Australia)
Product Safety Compliance
  • UL 61010-1
  • E468316-A1
  • CSA-C22.2
  • CCN: QUYX, QUYX7

Manuals & Downloads

User’s Manuals

Webrelay Wireless Users Manual

WebRelay Wireless Quick Start Guide (PDF)

Catalog

WebRelay Wireless Data Sheet (PDF)

ControlByWeb Product Catalog

Downloads

Utilities

CBW Settings Utility
This utility allows you to download settings and/or events from one of our stand-alone ControlByWeb products to your computer, and then upload them to a device of the same model number, and firmware revision. (Not compatible with the X-600 Modular Series.)

3D Model

WebRelay Wireless 3D Model (.stp)

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SETUP PAGES

Use the Setup Page to set up I/O, change settings, and create logic with intuitive dropdown menus.

CONTROL PAGE

Use the Control Page to see I/O status and manually control relays.

*Setup page login information: Username: admin Password: webrelay

Schedule A Guided Walkthrough

Want a little extra guidance? Schedule a 15-minute guided demo with our sales engineers. They’ll show you how it works for your application.

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