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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.
Redu/Dist Functions

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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
  - Mapping Functions
  - Mathematical Functions
  - MindSphere Connector Functions
  - Miscellaneous Functions
  - Multilingual Functionality
  - Project administration Functions
  - Query Functions
  - Redu/Dist Functions
    - dataPort()
      Returns the port number of the data manager.
    - eventPort()
      Returns the port number of the Event manager.
    - isRemoteSystemRedundant()
      This function returns whether the project has been configured as redundant.
    - isSplitModeActive()
      Returns whether split mode has been activated in the system.
    - reduSetPreferred()
      Sets the Preferred to left or right in a redundant system.
    - reduActive()
      In a redundant system, returns the active computer.
    - reduSetActive()
      Activates the emergency switch on the left or on the right.
    - reduSetInactive()
      Deactivates the emergency switch on the left or on the right in a redundant system.
    - reduSetSplitOn()
      Sets the split mode in a redundant system.
    - reduSetSplitOff()
      Sets the split mode to off in a redundant project.
    - reduSwitchDist()
      Switches over in the split mode.
    - reduSwitchDriver()
      Switches the drivers in the split mode.
    - switchCtrlConnectionToReplica()
      Switches the CTRL with a specific number over.
    - switchCtrlConnectionsToReplica()
      Switches Ctrl in split mode.
    - switchUiConnectionToReplica()
      Switches a UI with a specific number in the split mode.
    - switchUiConnectionsToReplica()
      Switches the UI in the split mode.
  - 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.
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Southbound Interfaces
The process connection to the actual machines/sensors.
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Basic information about terms and functions within the documentation.
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Redu/Dist Functions

These functions can be used in case of redundant or distributed projects.