WinCC Professional V13 SP1 – Simple Sample: Invert Bit

“Simple Samples” are small projects that demonstrate simple features. The target is give a quick overview about the theme and be used as start point for related discussions. Follow there are a short description and the configuration main steps..

Description:

By clicking on button a Boolean tag is inverted (True - False).

To invert a bit could be easily adapted for other simple script tasks (set bit, reset bit, set value, etc.). It is also base of many other simple samples.

Requirements:

WinCC Professional V13 SP1.

Configuration main steps:

Function

• Create a Boolean tag (Project Tree → Show all tags-> <add new>, Name = HMI_Tag_1, Data Type = Bool)

• Open a screen

• Place a button

• Properties → Events → Click → Add function

• Choose “Invert Bit” (folder “Edit Bits”, Tag Input/Output = created tag)

VB Script

• Create a Boolean tag (Project Tree → Show all tags-> <add new>, Name = HMI_Tag_1, Data Type = Bool)

• Open a screen

• Place a button

• Properties → Events → Click → Add VB Script

• Configure the script as follow:

Sub OnClick(ByVal item)

InvertBit "HMI_Tag_1"

End Sub

C Script

• Create a Boolean tag (Project Tree → Show all tags-> <add new>, Name = HMI_Tag_1, Data Type = Bool)

• Open a screen

• Place a button

• Properties → Events → Click → Add C Script

• Configure the script as follow:

#include "GlobalDefinitions.h"

void OnClick(char* screenName, char* objectName, char* propertyName)

{

InvertBit ("HMI_Tag_1");

}

References:

Manual

WinCC Professional V13.0

https://support.industry.siemens.com/cs/br/pt/view/92323076/en

Online helps system

WinCC Professional V13.0 SP1

https://support.industry.siemens.com/cs/br/pt/view/109096785/en

FAQ

Which VBS information and VBS programming tools are there in WinCC (TIA Portal)?

https://support.industry.siemens.com/cs/br/pt/view/59885894/en

Tips and tricks for creating scripts in WinCC (TIA Portal)

https://support.industry.siemens.com/cs/br/pt/view/57132412/en

Project:

As project.zip