Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 248 / 478

6 No-protocol Mode
6-20
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
IF (OperatingStart=TRUE) THEN
SerialRcv_instance(
Execute:=FALSE, //Instance initialization
Port := InPort, //Port specification
Size := UINT#13, //Receive data size
DstDat := RecvDat[0], //Receive data
RcvSize => RecvSize); //Size of actually received data
InPort.UnitNo := _eUnitNo#_CBU_No00; //Serial Communications Unit, Unit number 0
InPort.PhysicPortNo := USINT#2; //Serial port 2
OperatingStart:=FALSE;
END_IF;
//SerialRcv instruction execution
IF (Operating=TRUE) THEN
SerialRcv_instance(
Execute:=TRUE, //Start condition
Port := InPort, //Port specification
Size := UINT#13, //Receive data size
DstDat := RecvDat[0], //Receive data
RcvSize => RecvSize); //Size of actually received data
IF (SerialRcv_instance.Done = TRUE) THEN
//Processing at normal end
RecvStringDat := AryToString(In := RecvDat[0], Size := RecvSize); //Conversion of character
codes to character string
Code:=STRING_TO_ULINT(RecvStringDat); //Conversion of character
string to integer
Operating := FALSE;
END_IF;
IF (SerialRcv_instance.Error = TRUE) THEN
//Processing at error end
Operating := FALSE;
END_IF;
END_IF;