FUNCTION FC5:VOID
VAR_TEMP
// Temporary Variables

END_VAR


DB2.DBX0.1:=FALSE;
DB2.DBX0.2:=FALSE;

IF DB2.DBX0.3 THEN
DB2.DBX0.4:=FALSE;
END_IF;
IF DB2.DBX0.3 THEN
DB2.DBW10 :=DB2.DBW10 + 1; //延时吹扫
ELSE
DB2.DBW10 := 0;
END_IF;
END_FUNCTION
编译后，提示“ DB2.DBW10 :=DB2.DBW10 + 1”的DB2.DB210是INVALID TYPES OF ADDRESSES. 这到底是怎么回事呢？