IC693MDL731输入模块;IC693MDL731输入模块;IC693MDL731输入模块1、采用性能优良的电源，电网引入的干扰在PLC控制系统中，电源占有极重要的地位。电网干扰串入PLC控制系统主要通过PLC系统的供电电源（如CPU电源、I/O电源等）、变送器供电电源和与PLC系统具有直接电气连接的仪表供电电源等耦合进入的。现在，对于PLC系统供电的电源，一般都采用隔离性能较好电源，而对于变送器供电的电源和PLC系统有直接电气连接的仪表的供电电源，并没受到足够的重视，虽然采取了一定的隔离措施，但普遍还不够，主要是使用的隔离变压器分布参数大，干扰能力差，经电源耦合而串入共模干扰、差模干扰。所以，对于变送器和共用信号仪表供电应选择分布电容小、带大（如采用多次隔离和及漏感技术）的配电器，以减少PLC系统的干扰。此外，位保证电网馈点不中断，可采用在线式不间断供电电源（UPS）供电，提高供电的安全可靠性。并且UPS还具有较强的干扰隔离性能，是一种PLC控制系统的理想电源。2、电缆选择的敖设为了减少动力电缆辐射电磁干扰，尤其是变频装置馈电电缆。笔者在某工程中，采用了铜带铠装电力电缆，从而降低了动力线生产的电磁干扰，该工程投产后取得了满意的效果。不同类型的信号分别由不同电缆传输，信号电缆应按传输信号种类分层敖设，严禁用同一电缆的不同导线同时传送动力电源和信号，避免信号线与动力电缆靠***行敖设，以减少电磁干扰。PERCEPTRON495-0191USPP4950191TexasInstrumentsTI500-2114RemoteBaseControllerASEABROWNBOVERIAPGIC-03USPPAPGIC03PanasonicACServoDriverMADDT1205003NIBFreeShipASEABROWNBOVERIK7WFNSFPK7WFPanasonicACServoMQDB012AAD100W&MotorMQMA012A3FPanasonicACServoMotorM***A082A1AFreeShipBAUMANN54R-25000NSFP54R25000TEXASINSTRUMENTSPLC505-2557NSFP5052557ASEABROWNBOVERI126620-004USPP126620004PanasonicACServoDriverMSDZ011A1A07FreeShipTexasInstrumentsVPU210-3105MITSUBISHILX6IC-BN624E25​2AUSPPLX6ICBN624E252​APanasonicACServoMotorMHMD082P1C750WFreeShipSIEMENS6DS1332-8BCUSPP6DS13328BCTEXASINSTRUMENTSPLC505-CP1434-TCPNSFP505CP1434TCPASEABROWNBOVERISPAD-346-C3NSPPSPAD346C3PanasonicACServoMotorM***012A1EEFreeShipALLENBRADLEY160-BA01NPS1FNFP160BA01NPS1TEXASINSTRUMENTSPLC305-25TNSFP30525TASEABROWNBOVERIGNT2009421R000​1NSPPGNT2009421R000​1STENTOFON630540-SB4NSPP630540SB4TEXASINSTRUMENTSPLC2261690-1-AAUSPP22616901AABARDEHWH24A-C06NSPPEHWH24AC06PanasonicACSERVOMOTORM***A082A1GUSEDANDGOODINCONDITIONTEXASINSTRUMENTSPLC500-5114USPP5005114SimaticTI330DirectLogicPLCcompleteWithprogrammerTEXASINSTRUMENTS530C-1108530C1108SIEMANSMODULEASEABROWNBOVERIEL3020USPPEL3020SCHRADERBELLOWSEPP33C81I65410NSPPEPP33C81I65410ALLENBRADLEY8000-LBNSFP8000LBPanasonicACServoDriverMSDB3A2AAD02New0190-26756TEXASINSTRUMENTSPLC2490019-0001USPP24900190001PANASONICACSERVODRIVERMSD011A1XX18FreeShipPanasonic/NaisServoMotorMFDDTB3A2NIB!PULSECONTROLBOARDASEABROWNBOVERIYT204001-FSUSPPYT204001FSSANYODENKIMC1K-U100USPPMC1KU100ASEABROWNBOVERIYPQ-110AUSPPYPQ110ATEXASINSTRUMENTSPLC5TI-5500USPP5TI5500PanasonicMSD083A1XKACServoDriverFISHERROSEMOUNT895CNSPP895CTexasInstruments14SlotRackBase500-5848#23931TEXASINSTRUMENTSPLC2497993USPP2497993RELIANCEELECTRICP21S3045NSFPP21S3045CEGELECMLOUSPPMLOWESTINGHOUSE4256A25G01USPP4256A25G01TEXASINSTRUMENTSPLC510-3103USPP5103103ALLENBRADLEY1326AB-B420ES2​LUSPP1326ABB420ES2LASEABROWNBOVERIYB560103-CCUSPPYB560103CCEMSTECHNOLOGIES4601L50USPP4601L50PanasonicServoMotorM***011P1ANewALLENBRADLEY500-EOD930NSFP500EOD930ASEABROWNBOVERIEH550C-Q1NSPPEH550CQ1BALDORLD202SNSFPLD202SGENERALELECTRIC193W-527ABG01USPP193W527ABG01ASEABROWNBOVERIEH250-36VDC-TNSPPEH25036VDCTTEXASINSTRUMENTSPLC555-1106USPP5551106TexasInstrumentsFieldInterfaceModule505-7202TEXASINSTRUMENTSPLC5TI-1021USPP5TI1021SANYODENKIPU0B015-EML1P0​0USPPPU0B015EML1P00FOXBORO138SP-4-EUSPP138SP4ETEXASINSTRUMENTSPLC2490019-0001USPP24900190001SIEMENS1HU3058-0AC01USPP1HU30580AC01ASEABROWNBOVERIEH300C-1LUSPPEH300C1LALLENBRADLEY2705-EM11J1USPP2705EM11J1OMRON3G2C3-CPUA1-EUSPP3G2C3CPUA1ETEXASINSTRUMENTSPLC7MT-700NSFP7MT700ASEABROWNBOVERIACS601-0016-4-​000B1200801USPPACS60100164000​B1PanasonicAMK8100810SAFACServoMotorTEXASINSTRUMENTSPLC505-CP1434-TCPNSFP505CP1434TCPDOLCHDV-10-VG-RTUSPPDV10VGRTPanasonicACServoMotorM***022ASBFreeShipReturns:Acceptedwithin7daysEXLARGSX30-1402-MCM​-AB5-368-RBNSPPGSX301402MCMAB​53EDISONCONTROLS1010617-B400-A​3.0NSFP1010617B400A30TEXASINSTRUMENTSPLC505-6870USPP5056870TEXASINSTRUMENTS5TI-1013SEQUENCERMODULE***XLNT***)