万可Wago Codesys PLC程序 箱线读码处理程序

万可Wago Codesys PLC程序 PLC程序 箱线读码处理程序 750-842 750-660 F RECEIVE_BUFFER.index >0 AND RECEIVE_BUFFER.Data[0]>16#00 THEN bbb:=TRUE; ELSE bbb:=FALSE; END_IF IF RECEIVE_BUFFER.index >=40 THEN RECEIVE_BUFFER.index:=0; END_IF TON1(IN:=bbb , PT:=t#60ms , Q=>start_search ); IF start_search=TRUE THEN FOR h:=0 TO 40 DO modbus_data[h] :=0; END_FOR FOR i:=0 TO RECEIVE_BUFFER.index-1 DO (* IF RECEIVE_BUFFER.Data[i] <>endchar THEN modbus_data[i]:=RECEI