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How to know which tag launch a C global script

Created by: Emazes at: 7/6/2009 1:11 PM (6 Replies)

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7/6/2009 1:11 PM	Rate (0)
Emazes Regular Member Joined: 3/14/2009 Last visit: 1/29/2025 Posts: 10 Rating: (0)	Hello, I didn' find out my problem (Just one person asked but without answer). I am on WINCC 6, I want to do a C Global script triggered by several TAGs. Is it possible, in this C Script, to know which TAG triggered. Which command I have to used ? Thaks

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7/6/2009 1:25 PM	Rate (0)
rit03 Silver Member Joined: 6/13/2006 Last visit: 2/11/2023 Posts: 341 Rating: (24)	Writeaprintf functionto Get the value of all thosetags and its status in the same scriptto check which tag has changed its valuethat triggersc-script on Dignostic window. regards, rit03
	Last edited by: rit03 at: 7/6/2009 1:26 PM
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7/6/2009 1:25 PM	Rate (0)
cumulus Platinum Member Joined: 9/27/2007 Last visit: 12/18/2020 Posts: 993 Rating: (103)	Hi What do you mean? If the C -Skript is triggert by value change of a property of an object, you can get the variable, which is connected with this property with the function GetLinkedVariable. Look at the WinCC Information System under the index GetLinkedVariable for the syntax. How do you trigger the C-Scrript? regards cumulus
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7/6/2009 2:01 PM	Rate (0)
Emazes Regular Member Joined: 3/14/2009 Last visit: 1/29/2025 Posts: 10 Rating: (0)	Thank you for your answers, Rit03, I don't wan't to see which TAG has triggerd the script on a diagnostic windows. I want to used this tag (the one who triggered the script) in the program. Cumulus, I wan't to triggered the script with two variables of an external DataBase (PAS Data server, ComFault.value of servers). This I can get it worked. But I want to know which of this variables launch the script (I know how to see the value) to disabled the ehernet port where I lost the Server (I will do afterwards). I don't think it will work with GetLinkedVariable because I have to give a view, an objet and for my purpose I don't have all that things. GetLinkedVariable("gs_stand_graph_00","StatischerText6","Visible"); Regards,

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7/6/2009 5:11 PM	Rate (0)
Sydney Gold Member Joined: 1/4/2008 Last visit: 7/2/2025 Posts: 703 Rating: (98)	Hello, if you'd like to know which tag was changed (and triggers the function call by) you can declare the static variables, in which you store the values before the end of the script and read&compare with the actual values when the script starts. Regards Sydney

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7/6/2009 5:23 PM	Rate (0)
Emazes Regular Member Joined: 3/14/2009 Last visit: 1/29/2025 Posts: 10 Rating: (0)	Thanks Sydney, I think of that solution, but I wondered if there was a lite solution. But if I won't have more, I will try as you advised me. Thanks again

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7/7/2009 9:00 PM	Rate (0)
CBo Gold Member Joined: 4/5/2006 Last visit: 7/30/2025 Posts: 917 Rating: (63)	Hi Emazes, Sydneygave you a right explanation, to know which tag triggered your script you have to know the previuos vaue if tag and compare it with actual value, if you have to write function yet, maybe you can use boolean trigger and make your function works with raise edge only, in tis way you don't have to store previuos value.... if not, the only solution is what Sydneysaid Regards

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