559 B
559 B
FUNCTION "PPM O2" : Real
{ S7_Optimized_Access := 'FALSE' }
AUTHOR : 'Author'
FAMILY : 'Function'
NAME : 'Name'
VERSION : 1.0
VAR_INPUT
i_Temp : Real;
END_VAR
VAR_TEMP
a : Real;
b : Real;
c : Real;
END_VAR
BEGIN
(* classic code: #a := 0.00353376 ;*)
#a := REAL#0.00353376;
(* classic code: #b := -0.33438937 ;*)
#b := REAL#-0.33438937;
(* classic code: #c := 14.38695088 ;*)
#c := REAL#14.38695088;
#"PPM O2" := SQR(#i_Temp) * #a + #i_Temp * #b + #c ;
END_FUNCTION