VAR
buffer1: UDT_ANY_Pointer;
Source_Any AT buffer1: ANY;
buffer2: UDT_ANY_Pointer;
Destin_Any AT buffer2: ANY;
RET_VRN: INT;
END_VAR
buffer1.SyntaxID:= 16#10;
buffer1.DataType:= 16#2;
buffer1.DataCount:= INT_TO_WORD(Byte_Count);
buffer1.DB_Number:= INT_TO_WORD(DB_Nummer_I);
buffer1.BytePointer:= dw#16#84000000;
buffer1.BytePointer:=buffer1.BytePointer OR (SHL(in:=WORD_TO_DWORD(INT_TO_WORD(DB_Byte_Adr_I)),N:=3));
buffer2.SyntaxID:= 16#10;
buffer2.DataType:= 16#2;
buffer2.DataCount:= INT_TO_WORD(Byte_Count);
buffer2.DB_Number:= INT_TO_WORD( DB_Nummer_O);
buffer2.BytePointer:= dw#16#84000000;
buffer2.BytePointer:=buffer2.BytePointer OR (SHL(in:=WORD_TO_DWORD(INT_TO_WORD(DB_Byte_Adr_O)),N:=3));
IF I0.1=THEN;
RET_VRN:= SFC20(srcblk:= Source_Any, dstblk:= Destin_Any)
END_IF
END_FUNCTION
这样好象不行呀。