FUNCTION M_Speed_R: VOID
KNOW_HOW_PROTECT
VAR_TEMP
temp1:INT;
temp2:INT;
temp3:WORD;
END_VAR
CONST
number1:=3.48e+10;
number2:=1.50e+12;
END_CONST;
BEGIN
temp3:=PIW328;//这里报错请问是什么原因,怎样解决?
temp1:=REAL_TO_INT((DINT_TO_REAL(INT_TO_DINT(temp3))) / number1);
END_FUNCTION