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maheshgurav

micrologix1200 & panelview 300 micro

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hi i am mahesh i am working on micrologix1200 & panelview300 micro.i have got n37 integer file whoes content can be changed using hmi screen . if i cahnged the conetent then while going to previous screen i want to perform calculation to calculate no. of non zero elements in n 37 file. also while calculating non zero elements i want to show busy screen .but if i dont cahnge the data in n 37 file then i dont want to perform calculation .pls anyone tell me how i can do that. my email id is maheshgurav2000@yahoo.com stellarindia@hotmail.com

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