STL programming on SIMATIC Manager Step 7 v5.5

Rogalson

Member
R
Join Date
Jun 2015
Location
Poland
Posts
5
Hello everyone!
I've just stared with programming on STL and I have problem which I can't understand. I'm writing programs on Step 7 and I'm testing on the simulator. I have this piece of code:
Code: 
A  I0.0
FP  M0.0
L MB 100
L 1
+I
T MB 100
I want to increase value of MB 100, when on I0.0 appear positive edge. In my program it's adding continously. Can someone explain me why?
 
You need to jump over the code doing the addition when you do not want it performed.
Check out the JC / JCN instructions. (And labels)
 

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