hi this is mahesh and i am working on micrologix1200 with panelview 300 micro. i have one integer file n37
the content of which i am going to change using hmi screen . if i change the value and back to previous menu before returing to previous menu i have to calculate no. of. non zero elements in n37 file. but if i dont change the content of n37 file then i dont want to count no. of non zero elements of n37 file . how could i do that . and while calculation i want to show busy screen how could i do that. pls nay one t6ell me
