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BLOC COMPARAISON SOUS STEP7

Created by: Zakazeko at: 6/18/2012 9:17 PM (5 Replies)

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6/18/2012 9:17 PM	Rate (0)
Zakazeko Posts: 5 Rating: (0)	Bonsoir, Je tiens vraiment à votre aide , je programme dans STEP7 et je ne sais pas comment je pourrai faire une comparaison entre 10 Valeurs , je m'explique, l'automate reçoit 10 valeurs ( = 10 entées analogiques), chaque valeur appartient à un filtre qui exprime justement le degré de colmatage de ce dernier ( filtre ) et donc j'ai affaire à comparer entre ces valeurs là ( je ne sais pas si c'est possible de faire une comparaison de 10 valeurs à la fois ou bien chaque 2 valeurs se comparent toutes seules par des blocs ... ETC ) . Très bonne fin de journée, Cordialement
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6/19/2012 1:49 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 6/1/2023 Posts: 12030 Rating: (2594)	Hello Zakazeko; The Siemens A&D forum is divided in 2 sections, one uses German and this one uses English as an exchange language. Many here are not English-speaking, but all make an effort to use a common tongue to help as many as possible. I hope it does not cause you problems to recieve help in English. Regards, Daniel Chartier Translation from the French: Zakazeko Good evening; I really would like your help,I am programming withSTEP7 and I do not know how I could compare 10 Values.I mean the PLC recieves10 values ( = 10 analog inputs), each valueis provided by afilterto show the degree of fouling of thisfilterand so I must compare these values ( I do not know whether it is possible to do a single compare operation for the 10 values at a time or if I should use seperate blocks to compare 2 values at a time¸ etc... ). Have a very good afternoon, Regards,
	Last edited by: dchartier at: 6/19/2012 1:51 AM
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This contribution was helpful to 3 thankful Users miami fritz Marcjan

6/19/2012 2:46 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 6/1/2023 Posts: 12030 Rating: (2594)	Hello zakazeko; What type of function are you developping? Do you want to compare the values to find the highest or lowest value? Do you wish to sort (order)the list of values in smallest to highest value, or highest to smallest? Have a look at this FAQ, it shows how to sort a DB by itsvalues, from smallest to highest: http://support.automation.siemens.com/WW/view/en/865058 There are many other ways to do this, even using instructions in LAD (though the code is not as elegant. You could search on the site to fing threads on 'sorting' (use the Search box on the right of this page.Hope this helps, Daniel Chartier

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6/19/2012 5:00 PM	Rate (0)
Zakazeko Posts: 5 Rating: (0)	Thank you so much dchartier, i really appreciate that , well i want to compare the values to find the highest value, i'll have look in this link ! thanks again
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6/19/2012 5:11 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 6/1/2023 Posts: 12030 Rating: (2594)	Hello Zakazeko; As I mentionned before, there are many ways to do this. Here is one where member DavidSG posted his own solution to a very similar application, in STL language: /tf/WW/en/Posts/30262 Hope this helps, Daniel Chartier

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6/19/2012 5:27 PM	Rate (0)
Zakazeko Posts: 5 Rating: (0)	Oh i'll see, thank you Daniel Chartier !! have a good time :)
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