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Toggle Boolean Tag — Indusoft-web-studio Code

Toggle a boolean output tag on each execution.

If LightTag = 0 Then
	LightTag = 1
Else
	LightTag = 0
End If

Indusoft-web-studio Language Guide

InduSoft Web Studio (now AVEVA Edge) is a cross-platform HMI/SCADA development environment used to build industrial dashboards, embedded HMIs, IIoT applications, and web-based visualization with extensive protocol support and multi-OS deployment capabilities.

Primary Use Cases

  • ▸Embedded HMIs for machines and OEM equipment
  • ▸Lightweight SCADA dashboards
  • ▸Web-based operator panels
  • ▸IIoT and MQTT gateway applications
  • ▸Multi-platform industrial visualization

Notable Features

  • ▸Web Thin Client and Secure Viewer
  • ▸Extensive PLC drivers (300+ built-in)
  • ▸Built-in alarms, trends, and reports
  • ▸Scripting via built-in language + Lua
  • ▸Multi-platform runtime (Windows, Linux, WinCE)

Origin & Creator

Originally developed by InduSoft in 1997, acquired by Invensys in 2013, now part of AVEVA and rebranded as AVEVA Edge.

Industrial Note

Highly used when cross-platform HMIs are required, especially on embedded devices, industrial panels, small SCADA systems, and IIoT gateways where a lightweight runtime is essential.

Quick Explain

  • ▸InduSoft provides a drag-and-drop interface to build HMI panels, SCADA dashboards, and embedded control screens.
  • ▸Supports web-based visualization and thin clients.
  • ▸Communicates with PLCs, RTUs, sensors, databases, and cloud systems.
  • ▸Includes alarms, trends, scripts, reports, and remote access.
  • ▸Runs on Windows, Linux, and embedded devices (PACs, HMIs, industrial PCs).

Core Features

  • ▸Tag database
  • ▸Screen editor with animations
  • ▸Drivers + OPC communication
  • ▸Alarms and events
  • ▸Recipes, trends, and reports

Learning Path

  • ▸Basic screens and tags
  • ▸Driver/PLC communication
  • ▸Tasks and scripting
  • ▸Alarms, trends, and reports
  • ▸Web Thin Client deployment

Practical Examples

  • ▸Embedded HMI for packaging machine
  • ▸Factory line overview dashboard
  • ▸Remote tank monitoring via MQTT
  • ▸Building HVAC SCADA
  • ▸Energy metering visualization

Comparisons

  • ▸Edge vs InTouch: Edge is lighter/cross-platform; InTouch is heavier but more powerful for SCADA.
  • ▸Edge vs Ignition Edge: Edge is cheaper; Ignition Edge more modern.
  • ▸Edge vs WinCC: WinCC more enterprise-focused; Edge better for embedded HMIs.
  • ▸Edge vs FactoryTalk View ME: Edge more flexible and cross-platform.
  • ▸Edge vs CODESYS TargetVisu: Edge more feature-rich; CODESYS more PLC-centric.

Strengths

  • ▸Cross-platform runtime (Edge-ready)
  • ▸Very light and fast on embedded hardware
  • ▸Huge set of built-in communication drivers
  • ▸HTML5 web visualization options
  • ▸Cost-effective and scalable for OEMs

Limitations

  • ▸Graphics less modern than Ignition/WinCC
  • ▸Not ideal for very large SCADA systems
  • ▸Development UI feels older
  • ▸Scripting less powerful than Python/JS engines
  • ▸Linux runtime has some feature limitations

When NOT to Use

  • ▸Enterprise-scale SCADA
  • ▸Very high-end 3D visualization
  • ▸Large MES/ERP-driven architectures
  • ▸Ultra-high tag count systems
  • ▸Environments requiring purely web-native UIs

Cheat Sheet

  • ▸Ctrl + D -> Driver settings
  • ▸Ctrl + E -> Screen editor
  • ▸Ctrl + T -> Tasks
  • ▸Use tags comments for clarity
  • ▸Thin client -> HTML5 test mode

FAQ

  • ▸Is InduSoft still supported? -> Yes, as AVEVA Edge.
  • ▸Is it easy to learn? -> Yes, very friendly for beginners.
  • ▸Is it cross-platform? -> Yes, runs on Windows/Linux/embedded.
  • ▸Does it support web HMIs? -> Yes via Thin Client.
  • ▸Is it free? -> Requires a license.

30-Day Skill Plan

  • ▸Week 1: Screens + tags
  • ▸Week 2: Drivers + PLC I/O
  • ▸Week 3: Alarms + trends
  • ▸Week 4: Scripting + tasks
  • ▸Week 5: IIoT + thin client

Final Summary

  • ▸InduSoft Web Studio (AVEVA Edge) is a flexible, lightweight HMI/SCADA tool.
  • ▸Excellent for embedded and multi-platform applications.
  • ▸Supports hundreds of PLC protocols.
  • ▸Includes web HMIs, alarms, trends, and scripts.
  • ▸Ideal for OEMs, machine builders, and small SCADA systems.

Project Structure

  • ▸Screens folder
  • ▸Tags database
  • ▸Tasks and logic scripts
  • ▸Drivers configuration
  • ▸Web/Thin client files

Monetization

  • ▸Custom OEM HMI development
  • ▸Small SCADA deployment services
  • ▸IIoT gateway solutions
  • ▸Maintenance contracts
  • ▸Integration consulting

Productivity Tips

  • ▸Use templates for screens
  • ▸Reuse objects
  • ▸Optimize drivers
  • ▸Test thin client early
  • ▸Keep scripts modular

Basic Concepts

  • ▸Tags - internal/external variables
  • ▸Screens - operator interfaces
  • ▸Tasks - background SCADA logic
  • ▸Scripts - built-in or Lua scripting
  • ▸Alarms - real-time event monitoring

Official Docs

  • ▸https://www.aveva.com/
  • ▸AVEVA Edge (InduSoft) Documentation Portal

More Indusoft-web-studio Typing Exercises

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