Traditional SCADA systems are often designed around dedicated workstations inside a control room.
That architecture still works for many industrial applications, but modern projects increasingly require something more flexible: browser-based monitoring, real-time visualization, remote access, and integration with other digital systems.
This is where Web SCADA becomes useful.
Instead of limiting industrial data to a local workstation, a Web SCADA architecture can make selected operational information available through browser-based interfaces while keeping the SCADA server at the center of data acquisition and management.
From Traditional SCADA to Web SCADA
A traditional architecture may look like:
Sensors → PLC → SCADA Server → Local HMI
With a web layer, the architecture can be extended:
Sensors → PLC → SCADA Server → Web SCADA → Browser / Remote Dashboard
The PLC still handles industrial control logic, while SCADA collects and manages operational data.
The web application provides another interface for authorized users to visualize that information.
Depending on project requirements, broader SCADA software solutions for industrial automation can combine data acquisition, visualization, alarms, historical storage, reporting, and integration with other industrial systems.
What Is ATSCADA Fastweb Designer?
ATSCADA Fastweb Designer is a no-code Web SCADA development platform designed to help automation engineers build industrial web applications without manually developing every interface component.
Instead of creating the complete front end from scratch, engineers can use pre-built industrial components and connect them directly to SCADA tags.
Typical applications include:
Real-time process dashboards
Machine status monitoring
Historical trend visualization
Alarm monitoring
Industrial reporting
Remote-control interfaces
SVG-based process visualization
Location-based monitoring
This can reduce development effort when the objective is to quickly create an industrial monitoring interface around existing SCADA data.
Working with Real-Time SCADA Components
Fastweb Designer includes several components for common industrial requirements.
iChart
iChart can display real-time values and historical trends.
For example, an engineer could visualize temperature, pressure, flow rate, energy consumption, or production data over time.
iAlarmViewer
iAlarmViewer provides an interface for displaying SCADA alarms.
This allows users to identify abnormal operating conditions without building a custom alarm interface from the beginning.
iDataReporter
iDataReporter can be used for displaying and exporting industrial reports based on collected data.
iButton, iSwitch and iSlider
These interactive components can be connected to SCADA tags for supported control operations.
They can be useful when an application requires users to interact with equipment or process parameters through the web interface.
iSVG
Industrial systems often require more than standard charts.
iSVG allows dynamic SVG graphics to be used for equipment, production lines, process diagrams, tanks, pipelines, and other industrial visualizations.
iGoogleMap
For distributed systems, location can also become part of the interface.
iGoogleMap can support map-based visualization for factories, equipment, or monitoring locations.
Connecting Components to SCADA Tags
One important part of a Web SCADA application is the connection between the interface and real-time industrial data.
A simplified data flow might look like:
Sensor → PLC → SCADA Tag → Fastweb Component → Browser
For example:
Temperature Sensor → PLC → Temperature Tag → iChart → Web Dashboard
When the SCADA tag changes, the connected interface can display the updated information.
This tag-based approach makes it easier to build different visualization components around the same underlying industrial data.
Why Use a Web Interface?
Browser-based access changes how industrial information can be delivered.
Instead of requiring every user to operate directly from the main SCADA workstation, selected information can be presented through web interfaces according to the project's architecture and user permissions.
A properly designed Web SCADA system with ATSCADA can support this approach by extending SCADA visualization to browser-based environments.
This can be useful for:
Production monitoring
Factory energy management
Water and wastewater systems
Data center monitoring
Environmental monitoring
Building management
Distributed industrial facilities
Different users can also require different dashboards.
An operator may need detailed equipment information, while a production manager may only need KPIs, alarms, and an overview of current conditions.
Web SCADA and System Integration
Web visualization is only one part of a modern SCADA architecture.
Industrial applications increasingly need to communicate with databases, REST APIs, ERP/MES platforms, cloud services, analytics systems, and other applications.
A more complete architecture could therefore look like:
Field Devices → PLC → SCADA → Database / API → Web Applications / Enterprise Systems
In this model, SCADA becomes more than an HMI.
It acts as an industrial data layer between Operational Technology (OT) and higher-level digital applications.
Final Thoughts
Moving from desktop SCADA to Web SCADA is not simply about putting an existing monitoring screen inside a browser.
A good Web SCADA architecture should consider:
What data users actually need
How real-time information will be visualized
Which users require remote access
How alarms and historical data will be presented
What control functions should be available
How the application connects with other systems
Tools such as ATSCADA Fastweb Designer provide a no-code approach for building this web visualization layer using reusable industrial components connected to SCADA tags.
As industrial systems become more connected, the architecture is gradually evolving from:
PLC → Local SCADA
to:
PLC → SCADA → Web → Data → Enterprise Applications
That transition is one of the key changes shaping modern industrial monitoring.
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