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Alarm Trigger Based on Tag - Wincc Typing CST Test

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Alarm Trigger Based on Tag — Wincc Code

Set an alarm tag when temperature exceeds threshold.

If SmartTags("TempTag") > 80 Then
	SmartTags("AlarmTag") = 1
Else
	SmartTags("AlarmTag") = 0
End If

Wincc Language Guide

Siemens WinCC (especially WinCC Unified) is a scalable SCADA/HMI system integrated into the TIA Portal ecosystem, enabling engineering, visualization, data logging, and operator control for industrial automation across panels, desktops, and web-based HMIs.

Primary Use Cases

  • ▸Factory floor HMIs & machine visualization
  • ▸Central SCADA monitoring for plants
  • ▸Process automation dashboards
  • ▸Energy/water/utility control rooms
  • ▸Line-level production HMIs with TIA Portal integration

Notable Features

  • ▸Unified HTML5 web runtime
  • ▸Integrated engineering inside TIA Portal
  • ▸Native Siemens PLC tag browsing
  • ▸JavaScript scripting engine
  • ▸Built-in alarm, trend, and logging controls

Origin & Creator

Developed by Siemens AG, Germany-global leader in industrial automation.

Industrial Note

Used heavily in Siemens-centric plants, process automation, OEM machines, manufacturing lines, utilities, and advanced HMI/SCADA deployments with Unified Comfort Panels.

More Wincc Typing Exercises

Hello World Message BoxToggle Output TagIncrement Counter TagSlider Control for Motor SpeedInitialize Multiple TagsRead Multiple Tags and Calculate TotalConditional Output Based on Multiple TagsLog Event with TimestampReset All Outputs

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