507 B
507 B
FUNCTION "DeltaP" : Real
{ S7_Optimized_Access := 'FALSE' }
AUTHOR : 'Author'
FAMILY : 'Function'
NAME : 'Name'
VERSION : 1.0
VAR_INPUT
i_Flow : Real;
i_K : Real;
i_Valve : Real;
END_VAR
BEGIN
(* classic code: IF #i_Valve <> 0.0 THEN*)
IF #i_Valve <> REAL#0.0 THEN
#DeltaP := SQR(#i_Flow) * SQR(#i_K) / #i_Valve / #i_Valve ;
ELSE
(* classic code: #DeltaP :=0.0;*)
#DeltaP :=REAL#0.0;
END_IF;
END_FUNCTION