Determine increase in weight

wyliemike

Member
W
Join Date
Jan 2011
Location
Barnard Castle
Posts
1
I need some code in a S7-300 PLC to indicate that the weight on a scale is increasing and to generate an alarm if not. Powder is fed onto a scale at a desired rate until the correct weight is acheived. I need to generate an alarm if the weight stops increasing. The PLC knows the weight on the scales as a real number.o_O
 

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