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Standard Symbols (STD_Symbols)
Symbol library consisting of graphics objects for the quick display and design of system diagrams.
Simple STD_symbols
STD_SWITCHES

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- User Interfaces
  All the available options for visualizing WinCC OA.
- System Overview
  A panel for the diagnostics of a WinCC OA system.
- Alert and Event Screen (AEScreen)
  The alert and event panel (AEpanel) in WinCC OA is a standard panel and allows displaying alerts and events in table format.
- Variable Trend
  A set of panels and scripts used for the simplified display of trend curves and trend groups (up to 16 trend curves).
- Standard Symbols (STD_Symbols)
  Symbol library consisting of graphics objects for the quick display and design of system diagrams.
- Standard Object Library
  The WinCC OA Standard Object Library (in short: Stdlib) is a base framework that facilitates the creation and use of WinCC OA Libraries. The Stdlib provides templates for creating WinCC OA Libraries and offers a vast range of functions that make the use of a WinCC OA Library in a WinCC OA project easier.
Southbound Interfaces
The process connection to the actual machines/sensors.
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STD_SWITCHES

You can use these symbols to set bits. The simplest form is a switch On = TRUE, Off = FALSE.


Symbol	Symbol name	Description
	switch_1	3D On/Off switch with response
	switch_2	On/Off switch as buttons with response
	switch_3	On/Off switch with response
	switch_invalid_default	Switch used to set the invalid bit and default value bit.
	switch_Userbits	The data point element's user bits can be set with the aid of small buttons.

switch_1

Like the others, this symbol can be used to display states such as On/Off, etc. (option Toggle Switch, default mode). In the other mode (Toggle Switch disabled), after a control responds, the switch becomes active and sets the appropriate bit. E.g., if control is set to "On", bit can be set to "Off", control response "Off", bit can be set to "On".

The following can be input on this panel:

Name: Name used to address the standard symbol in a script (optional).
Command ON: Data point element that is switched on.
Command OFF: Data point element that is switched off.
Check-back: Data point element for control response.
indicate "invalid" by color: colors the background blue (color invalid) if values are invalid (if invalid bit is set).