//读
AN M 86.3
AN M 86.0
= M 86.1
CALL "X_GET"
REQ :=M86.1
CONT :=TRUE
DEST_ID :=W#16#3
VAR_ADDR:=P#DB300.DBX40.0 BYTE 40
RET_VAL :=MW396
BUSY :=M86.0
RD :=P#DB300.DBX40.0 BYTE 40
//写
AN M 86.1
AN M 86.2
= M 86.3
CALL "X_PUT"
REQ :=M86.3
CONT :=TRUE
DEST_ID :=W#16#3
VAR_ADDR:=P#DB300.DBX0.0 BYTE 40
SD :=P#DB300.DBX0.0 BYTE 40
RET_VAL :=MW398
BUSY :=M86.2
------------------------------------------------
MW396,MW398 显示错误为：80C0(指定的连接正在被其他作
业使用)