FUNCTION FC111 : void
VAR_TEMP
// Temporary Variables

END_VAR

// Statement Section
SCALE(IN :=PIW100 // IN: INT
,HI_LIM := 10.0 // IN: REAL
,LO_LIM := 0.0 // IN: REAL
,BIPOLAR :=0 // IN: BOOL
,OUT := DB1.DBD18 // OUT: REAL
); // WORD
END_FUNCTION

db1.dbd18已定义为real了，fc105已经在block里了