Hello, i have a project implemented with WINCC pro v14  

Am wondering how to use trend f(t) to pop up from inside a screen window that linked to Tag Prefix ?

i have several analog signals . the required is when opening  the popup screen window of certain analog element , i need to access the certain trend for this analog element .

so i have to make the trend data source by means tag prefix concept and this not possible ??

did any one did this before??

ahmed hamad

Murof

Hello elctro hamad

Yes it should work  in a WinCC Professional Runtime Project.

if you use the Trend view on a Screen window with a Tag prefix then the controls will not get the prefix automaically. You have to use  a Script an the loaded event of the Screen which you display in the Screen windows. Here you have to read out the Prefix  and build the Tagname dynamically and then set it to the Trend.

-> If you use a VB Script you can use the Parent Operator for getting backwards to the Screenwindows object.

Bye Murof

 actually i did this in rest of the project , tag prefix and access this with c script ,

buy for trend cant do this , especially if am using data logging, i cant write the tag to be dynamically accessed .  

i dont know how to do it 

please if you have further clarification  i will be grateful 

Murof

Hello

I would define a default Archived Tag in the Trend.

then you can use the following FAQ, its quite the same as in TIA Portal:

https://support.industry.siemens.com/cs/ww/en/view/10259719

Bye Murof

 thank you Murof 

problem is solved 

The  attached picture for the  c script using wincc professional v14

unknown user

Hi ahmed hamad,

Can you please explain more i am also facing same issue.

I have gone through the script but it is giving error.

Please brief more hoe to link the script in picture window.

unknown user

elctro hamad

 

Murof

Hello

I would define a default Archived Tag in the Trend.

then you can use the following FAQ, its quite the same as in TIA Portal:

https://support.industry.siemens.com/cs/ww/en/view/10259719

Bye Murof

 thank you Murof 

problem is solved 

The  attached picture for the  c script using wincc professional v14

Memoskieee

Hi Electro Hamad,

I encounter the same problem can you discuss specific each steps you made to solve the problem?

Actually, Electro Hamad's link can help you easy to make this function.

https://support.industry.siemens.com/cs/ww/en/view/10259719

Maybe you don't understand how to do it.

1.Make a button and set "Events->Click" or others use C script or VB script

2.Make a object "f(x) trend view) and set object name to example "Trend_X"

3.You need write your script. C script use function -> SetPropertyByConstant

Example:

SetPropertyByConstant("Your screen name","Trend_X","TrendIndex", "1"); // 1 is first trend,if your have other trend,please use 2.....to more

SetPropertyByConstant("Your screen name","Trend_X","TrendTagName","Your tagname"); //Tag name need include "Data logs->Name" , example "Log1\\Logging tags name"

SetPropertyByConstant("Your screen name","Trend_X","Caption","What name you want show");

elctro hamad

 

Murof

Hello

I would define a default Archived Tag in the Trend.

then you can use the following FAQ, its quite the same as in TIA Portal:

https://support.industry.siemens.com/cs/ww/en/view/10259719

Bye Murof

 thank you Murof 

problem is solved 

The  attached picture for the  c script using wincc professional v14

 Hi electro hamad,

Following up on this, do I need to create a UDT or archived tags or historical data before I can proceed?