1C31166G021C31166G021C31166G02PLC控制取代继电器控制已是大势所趋，如果用PLC改造继电器控制系统，根据原有的继电器电路图来设计梯形图显然是一条捷径。这是由于原有的继电器控制系统经过长期的使用和考验，已经被证明能完成系统要求的控制功能，而继电器电路图又与梯形图有很多相似之处，因此可以将继电器电路图经过适当的“翻译”，从而设计出具有相同功能的PLC梯形图程序，所以将这种设计方法称为“移植设计法”或“翻译法”。在分析PLC控制系统的功能时，可以将PLC想象成一个继电器控制系统中的控制箱。PLC外部接线图描述的是这个控制箱的外部接线，PLC的梯形图程序是这个控制箱内部的“线路图”，PLC输入继电器和输出继电器是这个控制箱与外部联系的“中间继电器”，这样就可以用分析继电器电路图的方法来分析PLC控制系统。我们可以将输入继电器的触点想象成对应的外部输入设备的触点，将输出继电器的线圈想象成对应的外部输出设备的线圈。外部输出设备的线圈除了受PLC的控制外，可能还会受外部触点的控制。用上述的思想就可以将继电器电路图转换为功能相同的PLC外部接线图和梯形图。★厦门泰尼电气有限公司★★联系人：小黄★★QQ：2917675397★★电话：0592-6809319★★手机：18950191386★★传真：0592-6890859（注小黄收）★★邮箱：2917675397@***.com★★地址：厦门市海沧区海沧街道滨湖一里7号2008室★PARKERHFR902W3PVXFS8FIFKREGULATORFLOWMETER54016890SEALEDRELIANCEELECTRIC64418-600DCURRENTSENSINGRELAY64418600DAESSEALAZA3869TSTCV01/GBR284095/2PUMPSEALMilltronicsMFA4PMotionFailureAlarmCOMPUTARH6Z0812ZOOMLENS8-48MM1:1.2ALLENBRADLEYSP-170131FIELDPULSEKITSP170131Parker109637LLSSFloatSwitchAssemblyFOXBORO1GP10-T22E1F-L1TRAN***ITTER1GP10T22E1FL1ALLENBRADLEY12M03-00221-00PCBOARD12M030022100MODICONAS-S908-012REVB6ASS908012BENTLYNEVADASIGNALINPUTRELAYCARD81546-01***ARFI302CONVERTER1/2"NPTFI302ALLENBRADLEY1764-24BWAMICROLOGIX1500BASEUNIT176424BWAAMERICANSTANDARDTRANE6400-0971-01REV.APCBOARD6400097101DOVERFLEXOTI17BTENSIONINDICATORHONEYWELLRA890-G-1344BURNERCONTROLRA890G1344***CMXQ20L-100CSRSLIDETABLECYLINDERMXQ20L100CSRBODINEELECTRICGEARMOTOR42ABEPM-E31/8HPREMANUFACTUREDRELIANCEELECTRIC0-51884LSCAMODULE051884CYBELECRRD201-07CSIEMENS6DS1412-8DDPCBOARDTELEPERM6DS14128DDSEALEDRELIANCEELECTRICK-269CONTACTKITK269ACDCElectronicsRT301-3PowerSupplyRT3013CNICPS-256PCMODULECPS256SEALED6GK1415-2AA10DP/AS-INTERFACELINK6GK14152AA10SIEMENS6SE6410-2BB12-5AA0DRIVE6SE64102BB125AA0SQUAREDFAL340301021CIRCUITBREAKERGENERALMICROSYSTEMSGMSV06-01CPU16MHZTELEMECANIQUELC1-F265CONTACTORLC1F265GENERALELECTRICIC600YB831AINPUTMODULEDAYTON4RF80ACINVERTERElectroNumerics385RDDigitalMeterGE531X124MSDAGG1MITSUBISHIA1SD62STERLCOM2ATEMPERATURECONTROLLERSIEMENSSIMATIC6ES5-103-8MA03KENWOODPD18-30ADYHREGULATEDPOWERSUPPLYPD1830ADYHMagnetekMCD805PowerSupplyModel220/607A2MANUFACTURERREFURBISHEDALLENBRADLEY1771-IFESER.AINPUTMODULE1771IFEHONEYWELL51305072-400CLCNIO51305072400BOARDSKFMFE5GEARPUMPMFE5+299MFE5299MOTORPANALARMACSF-1FLASHERACSF1125V.DCEurothermCorporationEMM/MAS/M0300D/ENG/STD-REC//ModuleEMMMA***0300DENGSTDRECHONEYWELLR4140L-1006PROGRAMMERR4140L1006PHDML177695DECAPRODUCTSVE1/36/400DECAVIBRATORVE136400SANYODENKIR05B432562MOTORW/002HXRC0STANLEYF4150TRANSDUCERMICROSCANFIS-0860-0002BARCODESCANNERMICROSCAN860GECR353GK3AA1CONTACTORFANUCA16B-1210-0290/01APCBOARDALLENBRADLEY1326DS-K3E-FLSERVOMOTOR1326DSK3EFLFLEXALINEGROVEGEARDXTMQ230SPEEDREDUCERRATIO75PART#8902010405FLEXALINEGROVEGEARDXTMQ230-2SPEEDREDUCERRATIO75PART#89020181007STD-DX-1534AWINSYSTEMS400-0171-000AND400-0227-000D486DXPCMSSDPARKER32CFRCDUC29.000RODLESSAIRCYLINDERMKS1179B00734CR14VMASSFLOWCONTROLLERCINCINNATIMILACRON3-531-3371APCBOARD35313371ABEIINDUSTRIALH25D-SS-1000-ABZC-8830-***18ENCODERMARSH14270CPUIIPLUSMODULEFANUCA16B-1211-0040/07APCBOARDA16B1211004007AFANUCA16B-1211-0090/10DMEMORYMODULE16B1211009010DINDRAMATTDM1.2-30-300-W0CONTROLLERSIEMENS6FQ2-531-0BPOWERSUPPLYMODULE6FQ25310BCINCINNATIMILARCON3-531-3370ACONTROLBOARD35313370AALLENBRADLEY12M03-00064-01PUSLEDISTRIBUTIONBOARD12M030006401GENERALELECTRIC193X526AAG01POWERSUPPLYBOARDGRUNDFOSDME2-18A-PP/E/C-F-21RRBDOSINGPUMPDME218APPECF21RRBABBC201A30001UProcessControllerCommander200RelianceElectric0-51839-7PCBoard0518397ITEFJ63B250CIRCUITBREAKER)