讲义分析教案

ReadsthevaluetheSmarStartBusySerialPort BusyFlagErrorendFileLib\FBL\omronlib\LaserSensor\ZXL\ZXL208LaserCPUCS1*-CPU**HUnitversion3.0orhigherCJ1*-CPU**HUnitversion3.0orhigherCJ1M-CPU**Unitversion3.0orhigherCP1L(except10pointsVersion5.0orforusageCanbeusedonlyfor1:1(FB"_ZXLN***"canbeusedfor1:NCommunicationsmustbewithinon workandcannotcrosstoanothe CommunicationsSettingsThecommunicationssettingsoftheserialportmustbethesameasthoseoftheLaserThecommunicationssettingsofthespecifiedserialportcanbesettothedefaultLaserSensorsettingsusingtheSetCommunicationsPort(_ZXL600_SetComm)functionblock,andtheotherLaserSensorsettingsusingtheSetSerialGatewayMode(_SCx604_SetPortGATEWAY)functionblock.CPUUnitPLCSetup:SharedSettingsforCommunicationsInstructionsin 5sNumberofretries(default:0)SharedResourcesWhentheStartTriggerturnsON,thelowthresholdvalueisreadfromtheSmarsorconnectedtotheSerialPortspecifiedbytheConnectionunitandSerialportNo.ThethresholddatareadwiththisFBdoesnotludethedecimalpointUsetheReadDecimalPointPositionFB(_ZXL202_ReadDecimalPoint)toreadthedecimalThisFBisprocessedovermultiplecycles.TheBUSYoutputvariablecanbeusedtocheckwhethertheFBisbeingprocessed.OKorNGwillbeturnedONonlyforonecycleafterprocessingiscompleted.UsetheseflagstodetectoftheFBprocessing.TimeStartBusyNormalEnd(OK)orErrorEnd(NG)WhenthisFBisstarted,theoutputparametersarecleared.SeetheoutputparameterswhentheOKflagturnsON.ENinputConnectENtoanORbetweenanupwardlydifferentiatedconditionforthestarttriggerandtheBUSYoutputfromtheFB.AlwaysuseanupwardlydifferentiatedconditionforIftheinputvariablesareoutofrange,theENOFlagwillturnOFFandtheFBwillnotbeThisFBrequiresmultiplecyclestoprocess.AlwaysconnectanOR ludingtheBUSYoutputvariabletotheENinputvariabletoensurethattheFBisprocessedtocompletion(seeSymbol).DonotturntheBUSYoutputvariableONorOFFoutsidetheUpto3secondsmayberequiredforthisFBtobecompleted(i.e.,fromENturningONuntiltheOKorNGFlagturnsON).ASmarsorisconnected1:1toserialport1onaSerialCommunicationsBoardWhenbitAturnsON,thevalueofthelowthresholdoftheSmarsorisstoredinD0andD1.Ifthestoredvalueis&30000andthedecimalpointpositionis&1,theactualvalueis3.0000.Connectionunit:SCBSerialPortNo.: 1:1BitProcessingtoreaddecimalpointBit Unit BusyBit BitSerialPort Normal BitD Bit sZX-L-NSeriesSmar sorsLaserTypeUser’s(Z197)ZXSeriesSmar sorsOperation(Z157)ReadHighThresholdInputVariables1(ON):FB0(OFF):FBnotUnitAtSpecifytheUnitandtheserialOnlyserialport2ofCP1H/CP1LM-typeCPUunitispossibletousethisFB.ConnectedtoCPUUnit Serialport Not(CP1H/CP1L-M:SerialPort2CP1L-L14/20:SerialPort1)ConnectedtoSerialCommunicationBoard(SCB)Unitselection SerialportNo. &1:SerialPort1&2:SerialPortConnectedtoSerialCommunicationUnit SCUUnitNo.(&0toSerialportNo. &1:SerialPort1&2:SerialPortSerialPort&1toOutput(Maybe1(ON):FBprocessed0(OFF):FBnotprocessedorendedinanBusyAutomaticallyturnsOFFwhenprocessingisTurnsONforonecyclewhenprocessingendsErrorTurnsONforonecyclewhenprocessingendsinan19999OutputsthevalueofthelowInternalInternalvariablesarenotoutputfromtheIftheNGFlagfromtheFBturnsON,thefollowinginternalvariablescanbemonitoredtoobtaininformationontheErrorTheresultsinformationfromtheSmarsorisoutputtotheErrorCode.SeeErrorCodeAsettingisorrect.RefertotheSmarsorOperationforsettingerrorconditionsforthresholds,hystereses,andotherparameters.TheSensorisnotinRUNThisisareferencethatexinsthefunctionblockItdoesnotexintheoperationallimitationsofUnits,components,orcombinationsofUnitsandcomponents.AlwaysreadandunderstandtheOperationsforthesystem’sUnitsandothercomponentsbeforeusingthem.符号开始触发_ZXL208_ReadLowThreshold(BOOL)(BOOL)↑ENENO单元选择(INT)(BOOL)BusyFlagBUSYBusyFlag(INTBOOL)PortNoOK(BOOL)NGError结束(DINT)阈值阈值文件名Lib\FBL\omronlib\LaserSensor\ZXL\_ZXL208_ReadLowThreshold10.cxf适用型号激光传感器ZX-LDA-NCPUCS1*-CPU**H3.0CJ1*-CPU**H3.0CJ1M-CPU**单元版本3.0或更高版本CP1HCP1L（10点CPU除外）串行通信单元/板CS1W-SCU21-V1、CJ1W-SCU21-V1、CJ1W-SCU41-V1单元版本1.2或更高版本CS1W-SCB21-V1和CS1W-SCB41-V1单元版本1.2或更高版本CX-Programmer版本5.0或更高版本使用条件外部连接。只能用于1:1连接。（FB“_ZXLN***”可用于1:N连接）。通信必须在一个网络内进行，不能跨越另一个网络。通讯设置串口通讯设置必须与激光传感器的通讯设置一致。。可以使用SetCommunicationsPort(_ZXL600_SetComm)功能块将指定串行端口的通信设置设置为默认激光传感器设置，并使用SetSerialGatewayMode(_SCx604_SetPortGATEWAY)功能块设置其他激光传感器设置。CPU单元设置PLC设置：FB中通信指令的共享设置。通信指令响应超时时间（默认：2秒）建议5秒。重试次数（默认值：0）共享资源。通信端口（ FBFB(_ZXL202_ReadDecimalPoint)读取小数点。FB。该FB经过多个周期处理。BUSY输出变量可用于检查预防措施FB是否正在处理。。OKONOFFONOFF(OK)ON(NG)OFFFB出参数将被清除。OK标志置ON时查看输出参数。ENENFBBUSYORENENOOFFFB以确保FB处理完成（请参见符号）。。请勿在FB外部打开或关闭BUSY输出变量。_ZXL208_ReadLowThreshold其他FB3（ENONOKNGON）1:1(SCB)1AOND0D1&30000，小数点位置为&1，则实际值3.0000。连接单元：SCB(#BBBB)串行端口号：1SCBCPUSCU1:1连接智能传感器BitA处理读取小数点位置BitB_ZXL208_ReadLowThreshold(BOOL)(BOOL)ENENO(INT)BOOL)BitCBBBBBUSYBitC(INT(BOOL)&1PortNoOKBitDBOOL)NGBitEDINT)ZX-L-NZ197)ZX(Z157)相关FB读取小数点FB(_ZXL202_ReadDecimalPoint)读取高阈值_ZXL208_ReadLowThresholdENENBOOL1(ON)：FB（OFF）：FBUnitSelectINT&0CP1H/CP1LMCPU端口2可以使用该FB。。连接到CPU单元单元选择#FFFF串行端口号未访问。（CP1H/CP1L-M：串行端口2CP1L-L