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Business Logic / Control
Endless possibilities in data processing for your projects.
Types of Control Functions
An overview of the types of functions distinguished within Control.
Licensing Functions

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Concepts
Your first step into modern and powerful process visualization.
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Topics you need to know before using WinCC OA.
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Data Management
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Business Logic / Control
Endless possibilities in data processing for your projects.
- Introduction to CTRL
  An introduction to the product's own programming language Control(CTRL).
- Control Classes
  The overview of classes available in Control.
- Types of Control Functions
  An overview of the types of functions distinguished within Control.
  - 32/64 bit Functions
  - Administration of Managers, Modules and Panels - Functions
  - Alert Handling Functions
    These functions are associated with datapoints and respond to alerts and changes to alerts.
  - AlertService Functions
    These functions provide alarm shelving, suppression, and out-of-service capabilities via the AlertServiceClient class.
  - Blob Functions
  - Communication functions
  - Connection Functions
    Connection functions can be used to establish connections to alerts, datapoints and system events.
  - Crypthographic Functions
  - Database Functions
  - Datapoint Functions
  - Error Functions
  - File Functions
    File functions allow you to import, export, open, close, and manipulate files within the application. This topic describes how to use file functions and important considerations for cross-platform compatibility.
  - Graphics Functions
  - Help Viewer Functions
    Available Functions for the Help Viewer.
  - HTTP Functions
  - Input Event Recorder Functions
  - Licensing Functions
    - checkLicenseOption()
      The function checkLicenseOption() allows you to check the number of available licenses for the specified WinCC OA license option.
    - getLicenseOption()
      The function getLicenseOption() allows you to query the current license and obtain a license from a license container.
  - Mapping Functions
  - Mathematical Functions
  - MindSphere Connector Functions
  - Miscellaneous Functions
  - Multilingual Functionality
  - Project administration Functions
  - Query Functions
  - Redu/Dist Functions
  - Selection and Configuration Dialogs - Functions
  - Semaphore Functions
  - String Functions
  - Subscription-based Licensing Functions
    CONTROL functions for querying information from subscription-based licenses.
  - System Tray
  - Time Functions
  - Threads Functions
  - User Administration Functions
  - Vector / Dynamic arrays - Functions
  - Waiting Control Functions
  - Window Functions
    This chapter lists all functions used to control windows and panels, such as ChildPanelOn, LayerOn, LayerOff, PanelOff, RootPanelOn, SwitchLayer, ZoomModule, and related dialog and module operations.
  - XML Control Extension Functions
- Control Graphics
- CONTROL Functions
- CtrlExtension
  The CtrlExtension allows the addition of custom C++ code.
- CTRL Debugger
  You can use the CTRL debugger to debug the Control programming language. The debugger can be used via its own panel, which also enables the monitoring and setting of variable values during the execution of a script.
- SQL in CONTROL
  The database functions enable you to quickly carry out value queries on datapoints and elements.
- WinCC OA JavaScript Manager for Node.js
  The WinCC OA JavaScript Manager for Node.js is a manager that allows for the integration of the TypeScript/JavaScript runtime environment Node.js into WinCC OA.
- API Manager
  The WinCC OA API (Application Programming Interface) offers a number of functions adding special Managers to this process control system.
Data Visualization
User interfaces, Trends and Reports for every purpose and device.
Southbound Interfaces
The process connection to the actual machines/sensors.
Northbound Interfaces
Your portal to the cloud or supervising systems.
Web Connectivity / Network Interfaces
Data exchange, APIs and web technologies
User Management
All about authorization, authentication and login-customization.
Availability
How to get your system uptime to the maximum.
Reporting
Create state of the art project reports without limits.
Addons
Useful tools and enhancements for special demands.
Reference Tables
Detailed and extensive content for special project adaptation.
Videos & Tutorials
Explore the capabilities of WinCC OA with our carefully selected collection of video tutorials and guides.
eLearning
Build Your Expertise Step by Step
Documentation
Basic information about terms and functions within the documentation.
Support & Services
An experienced team of support agents, consultants and trainers are ready to facilitate active partnerships with our customers, so they can profit from our comprehensive service.
Disclaimer
A brief clarification of liability exclusions or legal notices.
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Licensing Functions

To operate WinCC OA, managed licenses are required and provide dynamic, easily expandable, and hardware-independent flexibility. In this chapter you can find the licensing CTRL functions.

Licensing Methods

The Licensing provides following methods: