"TCON_DB"(ID := 19,
REQ:="R_TRIG_DB".Q,
DONE=>"udp_done",
BUSY=>"udp_busy",
ERROR=>"udp_err",
STATUS=>"udp_STATUS",
CONNECT:="PLC_2_Connection_DB_1" );

"TURCV_DB".TURCV(ID:=19,
LEN:=64,
ADDR:="RCV".DDD,
DATA :=p#db50.dbx0.0 byte 64 ,
EN_R :="RCV_REQ",
NDR => "RCV_NDR",
BUSY => "RCV_BUSY",
ERROR => "RCV_ERROR",
STATUS => "RCV_STATUS",
RCVD_LEN => "RCV_LEN");
为什么使用UDP数据接收指令一直接受不到网络上广播的UDP数据？
TURCV_DB 运行的时候 BUSY=1;STATUS=7002;RCVD=0;