Read Multiple Tags - Indusoft-web-studio Typing CST Test

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