IC646NRF000输入模块;IC646NRF000输入模块;IC646NRF000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。TEXASINSTRUMENTSPLC505-2571NSFP5052571TEXASINSTRUMENTSPLC505-2571NSPP5052571FANUCA06B-0143-B075USPPA06B0143B075MODICONMM-PMAB001NSFPMMPMAB001560-2126BTITexasInstruments5602126BTexasInstruments2497435CMOSIRBDASEABROWNBOVERI57287853USPP57287853PerceptronDSPFrameGrabber495-019196K#29411PANASONICMDM402D2CACSERVOMOTORWITHENCORDERTRUTZSCHLER9494.70.536.50​1USPP949470536501ASEABROWNBOVERI3HAA2400-002NSPP3HAA2400002TEXASINSTRUMENTSPLC565-2820NSFP5652820ASEABROWNBOVERIG05400A00USPPG05400A00NILFISKADVANCEGM-625USPPGM625TexasInstruments5TI-1032-2NEWPANASONICServoDriveMQDA023A1ACNC/ROUTERALLENBRADLEY2711-K6C5NSFP2711K6C5TEXASINSTRUMENTSPLC505-4317NSFP5054317SQUARED9070-SK500G2D1​F30G13NSFP9070SK500G2D1F​30FUJIELECTRICB128C-2ANSFPB128C2AENDRESS&HAUSERFMR240-S3K1ALJ​AA4AUSPPFMR240S3K1ALJA​A4ALLENBRADLEYMPF-A310P-MJ24​AANSFPMPFA310PMJ24AATEXASINSTRUMENTSPLC500-5186NSPP5005186TEXASINSTRUMENTSPLC5TI-1034-1USPP5TI10341ASEABROWNBOVERIOETL-NF600A-2S​WNSFPOETLNF600A2SWRELIANCEELECTRIC0-57421-2BNSFP0574212BSIEMENS6AU1-121-3CA00​-1AA0NSFP6AU11213CA001A​A0FISHERROSEMOUNTDPR-960NSFPDPR960XYCOMXVME-661NSFPXVME661GUTICOR100G-1M1R0USPP100G1M1R0TEXASINSTRUMENTSPLC945940-0001-ACUSPP9459400001ACOnePanasonicServoDriverMBDDT2210FreeShipTEXASINSTRUMENTSPLC560-2126RUSPP5602126RALLENBRADLEY3300-CP5USPP3300CP5TEXASINSTRUMENTSPLC545-1103USPP5451103MITSUBISHIA80BDE-A2USH-S​1NSPPA80BDEA2USHS1TEXASINSTRUMENTSPLC575-2105USPP5752105OMRONNT631C-ST141B-​***USPPNT631CST141BEV​2TEXASINSTRUMENTSPLC500-5056NSFP5005056TELEMECANIQUETSX-RAM-32-16NSFPTSXRAM3216PERCEPTRON911-0010RevTC0600-X0000-Y0​060-Z0123ASEABROWNBOVERIUSART86-8CHUSPPUSART868CHCUTLERHAMMERMES3800LSINSFPMES3800LSITEXASINSTRUMENTSPLC505-7012USPP5057012ASEABROWNBOVERIACH501-015-2-0​0P2USPPACH501015200P2PanasonicACServoMotor1.0KWM***102Q1CASEABROWNBOVERI3HAA2121-3NSPP3HAA21213TEXASINSTRUMENTSPLC7MT-1300NSFP7MT1300MICROMEMORY8086C-N16NSPP8086CN16ASEABROWNBOVERIACS601-0016-5-​00B1200000USPPACS6010016500B​12ALLENBRADLEY1336-B003-EAD-​FA2-L1USPP1336B003EADFA2​L1QTY1PanasonicACServoDriverMSDA015A1AFreeShipTEXASINSTRUMENTSPLCCVU-3604USPPCVU3604TORKT930LNSFPT930LTEXASINSTRUMENTSPLC530-1104NSPP5301104PanasonicACServoDriveMSD013A1XFreeShipTEXASINSTRUMENTSPLC3RW2-E045NSFP3RW2E045TEXASINSTRUMENTSPLC5TI-1021-1USPP5TI10211ASEABROWNBOVERI1923RA00140000​0STDUSPP1923RA00140000​0SOMRONC200H-MC221USPPC200HMC2211TEXASINSTRUMENTS500-5051THERMOCOUPLEINPUTMODULEL25PanasonicMHMA102A1GACServoMotorPanasonicACServoDriverMSDA5A3D2A52FreeShipPanasonicServoMotor***252P1G2.5KWFreeShipTEXASINSTRUMENTSPLC500-5828USPP5005828ASEABROWNBOVERIYB161102-BSUSPPYB161102BSOKUMABL-MC100E-20TBUSPPBLMC100E20TBTEXASINSTRUMENTSPLC500-9940NSFP5009940KTRON0671-30022USPP067130022TexasInstrumentsPM550-100ASEABROWNBOVERI086370-001NSFP086370001ASEABROWNBOVERIACS601-0060-4-​000B1200801USPPACS60100604000​B2TEXASINSTRUMENTSPLC164-2112NSPP1642112TEXASINSTRUMENTSPLC560-2122USPP5602122(AS01)MSDA013A1APANASONICACSERVODRIVEUSEDWORKINGASEABROWNBOVERI57340001-K/2USPP57340001K2TEXASINSTRUMENTSPLC505-2571USPP5052571TEXASINSTRUMENTSPLC505-4132NSPP5054132)