WinCC Advanced V13 SP1 – Simple Sample: command multiplexing by VB script (if else)

“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:

In this simple sample it is demonstrated how a button could execute different actions depending of a external reference by using of VB scripting and “if else” instructions.

Depending of a HMI variable ("HMI_Tag_5") by clicking a button different HMI variables ( HMI_Tag_1, HMI_Tag_2, HMI_Tag_3) will be set to 999.

Requirements:

WinCC Advanced V13 SP1.

Project with a minimum configuration (stop button, tags, etc. See references “WinCC Comfort V13 SP1 – Simple Sample: Tag multiplexing” https://support.industry.siemens.com/tf/br/en/posts/135139/ ).

Configuration main steps:

• Create a VB_Script (Name VBScript_1) like follow:

Sub VBFunction_1()

Dim index

index = SmartTags("HMI_Tag_5")

If index = 0 Then

SmartTags("HMI_Tag_1")=999

End If

If index = 1 Then

SmartTags("HMI_Tag_2")=999

End If

If index = 2 Then

SmartTags("HMI_Tag_3")=999

End If

End Sub

• Add a button on screen

• On button properties → Events → Click → VBScript_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

Application and tools

Demo projects for HMI operator panels under WinCC V13 (TIA Portal) for Basic Panels (2nd generation) and Comfort Panels

https://support.industry.siemens.com/cs/br/pt/view/96003274/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:

The project is available as project1.zip.