6ES5951-7ND41控制器6ES5951-7ND41控制器6ES5951-7ND41控制器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。505-4832TexasInstruments/Si​emensTI5054832R25TEXASINSTRUMENTSPLC560-2120WUSPP5602120WTRUTZSCHLER9494.70.536.50​1USPP949470536501TexasInstruments500-505632ptOutputcard5005056TexasInstruments500-2112TEXASINSTRUMENTSPLC505-6830NSFP5056830ALLENBRADLEY1771-IFE/CNSPP1771IFECASEABROWNBOVERINDCU-22USPPNDCU22PanasonicACServoMotorM***A04211AFreeShipFLUIDCOMPONENTSLT81A-A1D00000​1CA001240BB075​3C2A201A1A1B1A​10002B1AUSPPLT81AA1TEXASINSTRUMENTSPLC500-5022NSFP5005022TexasInstruments500-5047PanasonicMDDCT5325B14ACServoDrive1.5kWFreeShipTEXASINSTRUMENTSPLC505-4308NSPP5054308ASEABROWNBOVERIACS550-01-038A​-4NSFPACS55001038A4GENERALELECTRIC7VSDD08CD01USPP7VSDD08CD01TexasInstrumentsPM550-224ASEABROWNBOVERIAPGIC-03USPPAPGIC03ASEABROWNBOVERIEHDB-360C1USPPEHDB360C1PanasonicACServoMotorM***022A1BEFreeShipNEWPANASONICServoMotorM***A102A1CCNC/ROUTERASEABROWNBOVERIYT204001FK/1USPPYT204001FK1FANUCA06B-6066-H005USPPA06B6066H005MODICONAS-P890-000NSFPASP890000TISiemensCTi500-2151-A5002151PowerSupply2151APLCTEXASINSTRUMENTSPLC944935-1541R-A​EUSPP9449351541RAETEXASINSTRUMENTSPLC505-2590ANSPP5052590ATEXASINSTRUMENTSPLC505-6108ANSPP5056108AHONEYWELLVPR101-G1-111-​C-0E0000-0-00USPPVPR101G1111C0E​00TEXASINSTRUMENTSPLC325-07NSFP32507SQUAREDMAL36450-8041NSFPMAL364508041ASEABROWNBOVERIPSTB57060070USPPPSTB57060070ASEABROWNBOVERIACS501-025-4-0​0P5USPPACS501025400P5ALLENBRADLEY1336-B003-EAD-​FA2-L2USPP1336B003EADFA2​L2PanasonicServoDriverMADDT1207NewinBoxFreeShipWorldwideASEABROWNBOVERI3HAB2241-1USPP3HAB22411ASEABROWNBOVERIIOP-05USPPIOP05FUJIELECTRICEP3959EC1FNFPEP3959EC1PanasonicServoDrive&MotorSetMQDA023A1AnewASEABROWNBOVERIACS60100165000​B1200000USPPACS60100165000​B2ASEABROWNBOVERIYT212001-ABUSPPYT212001ABASEABROWNBOVERI58116076USPP58116076ExpeditedshippingailableASEABROWNBOVERI3E-032176USPP3E032176BARBERCOLMANMP-9910USPPMP9910(AB01)PANASONICADKB400BPFADAACSERVODRIVEUNITWORKINGTEXASINSTRUMENTSPLC435-CPUUSPP435CPUASEABROWNBOVERIYT213001-ABUSPPYT213001ABTexasInstruments500-5047PanasonicServoDriver1kWMDD103A1VEFreeShipTEXASINSTRUMENTSPLC505-4016ANSFP5054016ATEXASINSTRUMENTSPLC2459322NSFP2459322PanasonicACServoDriveMQDB011AAD03new0190-19214PanasonicACServoDriverMCDDT3520052750WFreeShipASEABROWNBOVERI3ADT220026R000​1USPP3ADT220026R000​1PanasonicMSDA041D1AACServoDriver82V400WTEXASINSTRUMENTSPLC500-5884USPP5005884FISHERROSEMOUNT3051-CD1A22A1A​B4USPP3051CD1A22A1AB​4MILLTRONICSXPS-15NSFPXPS15FANUCA06B-0143-B075USPPA06B0143B075TEXASINSTRUMENTSPLC505-4032USPP5054032PanasonicACServoMotorM***A102A1G1kW220VFreeShipPANASONICMSD011P1EUSPPMSD011P1E)