Web Trend

Display real time and historical data in a trend format on any device with a web browser

Key Features of Web Trend

With OAS Web Trend, you can display real time and historical trend data in an interactive or animated graphical format on any device with a web browser.


By utilizing standard, platform-agnostic technologies such as HTML5, CSS, Javascript, JQuery, and JSON, web developers can create useful graphical representations of their data for operator dashboards, reporting, and analysis.

  • Compatible with ALL browsers on Mac, PC, Linux, and mobile devices capable of displaying HTML5 and executing JavaScript, including: Chrome, Firefox, Safari, Internet Explorer (8+, 9+ recommended), Mobile Safari and Chrome on iOS, Mobile browsers on Android
  • Utilizes open standards for HTML5, JavaScript, and CSS
  • Unique markup option quickly adds live data to existing HTML pages
  • Programmatic JS interface allows for advanced application UI development
  • Can run on ANY web application platform that generates or delivers HTML includingASP.NET and .NET MVC, PHP, Ruby on Rails, NodeJS, Static HTML sites like WordPress …and more!
  • Supports authentication and secure communications over SSL
  • Requires no plugins, Java applets, or ActiveX controls to execute; just point your browser to your web application to start
  • Requires no compilation or packaging for deployment; supports file copy deployment or integration with your own deployment methods
  • Real time data delivered directly to your browser, reducing load on your web application server

Platform Components

Universal Data Connector

The core of the OAS Platform, enabling data connectivity, server-to-server networking, and more

Data Historian

Log data in open format to MS SQL Server, Oracle, mySQL, PostgreSQL, Cassandra, MongoDB, Access, SQL Azure and CSV files.

Alarm Logging & Notification

Log events to open databases, and send notifications via SMS, email, and voicemail

Device & Data Connectors

Read and write data to Allen Bradley, Siemens, and Modbus devices, OPC and OPC UA, open databases, and Excel

IoT Connectors

Connect to cloud-base IoT gateways such as AWS, Azure IoT, and MQTT Brokers

Developer Tools & APIs

Develop custom Visualizations, User Interfaces, and Automation apps for Windows, web, native iOS and Android, integrate with .NET and REST APIs

Networking Features

Provides the most robust, scalable, and reliable distributed networking platform for IIoT solutions


OPCWebTrend

Getting Started with Web Trend

Getting started with Web Trend is as simple as including the Javascript reference libraries on a web page along with some small code snippets to configure trend point rendering and to process incoming data streams.

Live Demo


View a live example at www.opcweb.com


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Utlizes Open Source Technologies

Built upon open source platforms such as JQuery and HTML5, OAS Web Trend also allows for programmatic data access of raw data to be applied to any number of free HTML5 charting solutions.
Sample code includes charts from the popular library Flot (www.flotcharts.org), but Web Trend is also compatible with ChartJS (www.chartjs.org), Chartist.js (gionkunz.github.io/chartist-js) and others.
Web Trend supports user interface development on any web platform such as ASP.NET, .NET MVC, PHP, Ruby on Rails, Java, and more.


Web Trend is also available as a Module within the Web HMI Dashboard

Built upon Web HMI, the Web HMI Dashboard allows you to quickly and securely visualize your data within a browser interface. Features include:

  • Give you access to real time and historical data on any device using a web browser
    • Desktop PCs
    • Mobile devices
  • Provides secure access to your data in any browser
  • Modular design includes components for visualizing:
    • Numeric data in radial gauges 
    • Boolean data as interactive switches 
    • Live, raw tag data in tabular format 
    • Real time and historical Alarms 
    • Real time and historical Trends 
    • Your own custom views and external web pages 

Learn more about Web HMI Dashboard


Download and start a free, unlimited trial, or schedule a live, interactive demo