WebRelay™ | Single Relay & Input Module

$189.99$289.99

The latest WebRelay™ has been updated with powerful firmware, as well as cellular and wifi options, making it an incredibly capable wireless remote control relay. The browser-based user interface and open REST API makes the WebRelay the simplest web-enabled relay for IIoT and Edge applications.

1 Relay & 1 Digital Input

Ethernet, Cellular, or WiFi

9-28VDC and/or POE

Note that the new models run the 400 Series firmware on the same great hardware, while the original WebRelay runs the previous firmware with no cloud access, a simpler browser interface, and no programmable logic or data logging.

Frequently Bought Together

Select a Cellular Data Plan

Cell plan prices are annual. Plans auto-renew on the anniversary of activation.

Total: $189.99

The WebRelay serves as the standard for controlling and monitoring devices from the comfort of your web browser. This simple network-controlled edge controller is powerful and flexible—ideal in applications like pump and motor control, security lock systems, remote reboot, and lighting control.

WebRelay Features

  • Simple Web Dashboard
  • Password Protected
  • Automatic Reboot
  • Remote Relay Control

WebRelay Applications

  • Pump & Motor Control
  • Lighting Control
  • Network Device Rebooting
  • Security Lock Systems

Part Numbers:

  • X-WR-441-I (standard 9-28VDC line power)
  • X-WR-441-E (POE and/or standard 9-28VDC line power)
  • X-WR-441W-I (WiFI, standard 9-28VDC line power)
  • X-WR-441CW-I (Cellular & WiFi, standard 9-28VDC line power)
Integration Icon

Integration Ready

We support HTTP GET, XML, JSON, SNMP, Modbus TCP/IP, and our Cloud API with more on the way.

No-Code Logic Icon

No-Code Programmable Logic

Our intuitive Task Builder empowers you to build custom logic using drop-down menus in an if-this-then-that flow.

Peer-to-Peer Icon

P2P Networking & Remote I/O

Devices can communicate through Peer-to-Peer (P2P) networking to share I/O among other ControlByWeb controllers, assign any device as master, set up multiple masters, and link remote inputs and relay control.

Email Notifications Icon

Email Notifications

Stay in control of operations with real-time monitoring. Add intelligence to your emails through programmable logic to instantly send notifications to the right people and eliminate false alarms.

Built-In Firmware Icon

Easy-to-Use Embedded UI

Our devices come with a simple embedded user interface that will enable you to easily monitor, manage, and control ControlByWeb PLCs from any standard web browser.

Data Logging Icon

Data Logging

Enjoy scheduled and conditional logging with email and FTP log exports. Add the optional ControlByWeb Cloud for remote access and downloadable logs.

Cloud Compatible Icon

Cloud Compatible

Enhance your capabilities with the ControlByWeb Cloud. Gain enhanced features such as simplified remote device access, data logging, and advanced analytics.

Security Icon

Trusted Device Security

Our controllers have no built-in OS or file system, making them less prone to vulnerabilities. Third-party consultants and government agencies test the cybersecurity of our controllers.

IIoT Icon

IIoT Monitoring & Control

Access the device directly through an assigned IP address. Set up your network settings the way you want, to limit or allow remote access through the cloud.

Wide Carrier Coverage

eUICC (eSIM) technology allows ControlByWeb cellular devices to operate across multiple carriers. This allows us to optimize cellular coverage based on your location.

No WiFi Necessary

Cellular simplifies your installation and fits where no wired infrastructure exists. There’s no need for third-party resources or IT intervention—everything you need from a PLC is included with the X-WR-441CW.

Primary or Backup

With the X-WR-441CW, you have the option to use Ethernet as the primary connection to the network and cellular as a failover. This allows logging, remote access, and email alerts even if Ethernet fails.

Built-In Connectivity

The X-WR-441CW includes an omnidirectional antenna for use with the embedded LTE-M cellular radio. The antenna is FCC compliant and will not cause interference when installed correctly.

Configurable Status Page

The X-WR-441CW is powered by a lightweight, built-in user interface. Cellular devices have additional settings within the UI where users can review their signal strength, see registration status, set cellular mode and ping interval, and more.

WebRelay Case Studies

 

Specifications


Models
  • X-WR-1R12-1I-I
  • X-WR-1R12-1I-E
  • X-WR-441-I
  • X-WR-441-E
  • X-WR-441W-I
  • X-WR-441CW-I
Power Requirements
  • Voltage:
    • X-WR-1R12-1I-I: 9-28VDC
    • X-WR-1R12-1I-E: POE and/or 9-28VDC
    • X-WR-441-I: 9-28VDC
    • X-WR-441-E: POE and/or 9-28VDC
    • X-WR-441W-I: 9-28VDC
    • X-WR-441CW-I: 9-28VDC
  • Max Current: 460mA Max
Relay Contacts
  • Number of Relays: 1
  • Max Voltage: 240VAC, 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: 62.5mS
  • Input Isolation: 1500V
  • Input Functions: Monitor, Local Relay Control, Remote Relay Control

Network
  • Type: 10/100 Base-T Ethernet Port
  • Wireless: WiFi Communication (X-WR-441CW/W models only)
  • Cellular: Cellular Modem (X-WR-441CW model only)
Connectors
  • Relay: 3-Position Removable
  • Power/Input: 5-Position Removable
  • Network: 8-pin RJ-45
LED Indicators
  • Number of LEDs: 4
    • Digital input voltage applied
    • Relay coil energized
    • Network linked
    • Network activity
Wireless (X-WR-441CW/W Only)
  • Network Standards: IEEE 802.11 b/g/n
  • Frequency Band: 2.412 – 2.462 GHz
  • Wi-Fi Security Standards: WPA2, WPA3
  • Network Settings: DHCP or Static
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
  • X-WR-441/CW/W: HTTP, HTTPS, SSL, XML, Modbus TCP/IP, SNMP, SMTP, Remote Services
  • HTTP, XML, Modbus TCP/IP
Password Settings
  • Password protection on setup page: Yes
  • Password protection on control page: Optional
  • Password Encoding: Base 64
  • Password Length: 10 Characters
Electromagnetic Compliance
  • IEC CISPR 22, CISPR 24
  • EU EN55024, EN55022
  • FCC 47CFR15 (-I Models class B, -E POE Model Class A)
Product Safety Compliance
  • UL 61010-1 (Electrical Equipment for Measurement, Control, and Laboratory Use) – Models: X-WR-1R12-1I-I and X-WR-1R12-1I-E

Manuals & Downloads


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For your convenience we have set up a live WebRelay unit for testing and evaluation. By clicking the links below you have full access to this live unit. You can make changes to the configuration and settings through the setup pages and you can control WebRelay through its control page. The control page allows you to change the state of the relay and view the current state of the input.
×

Self Guided Demo With Login and Video

*Setup page login information:

Username: admin

Password: webrelay

WebRelay live demonstration setup

Live Demo With One of Our Sales Engineers

Let’s make it easy with a live demo and screen sharing.

Set up a one-on-one Q & A with one of our experts. We’ll help you find the best solutions for your next project and walk you through a demonstration.


Low on time? Watch a pre-recorded demo instead:

WebRelay Series Setup and Programming Demo

WebRelay Setup

The diagram illustrates how this demonstration is wired. Nothing is connected to the relay contacts; however, you can still turn the relay on and off to see how it works. The input state only changes when a voltage is applied to the input. For this demonstration, we have connected one of our X-332 controllers to the input of the WebRelay. You can apply a voltage to the input of the WebRelay by accessing the control page for the X-332 (Digital Input Control Page). Important Info about devices resetting

Important Information

  • Multiple users may be accessing this device simultaneously so the device can change while you are using it.
  • This unit will be reset to factory defaults daily at 2:30AM MST.
  • Please DO NOT change network or password settings.

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