1791-24BR控制器1791-24BR控制器1791-24BR控制器(1)来自空间的辐***扰空间的辐射电磁场（EMI）主要是由电力网络、电气设备的暂态过程、雷电、无线电广播、电视、雷达、高频感应加热设备等产生的，通常称为辐***扰，其分布极为复杂。若PLC系统置于所射频场内，就回收到辐***扰，其影响主要通过两条路径；一是直接对PLC内部的辐射，由电路感应产生干扰；而是对PLC通信内网络的辐射，由通信线路的感应引入干扰。辐***扰与现场设备布置及设备所产生的电磁场大小，特别是频率有关，一般通过设置电缆和PLC局部及高压泄放元件进行保护。(2)来自系统外引线的干扰主要通过电源和信号线引入，通常称为传导干扰。这种干扰在我国工业现场较严重。(3)来自电源的干扰实践证明，因电源引入的干扰造成PLC控制系统故障的情况很多，笔者在某工程调试中遇到过，后更换隔离性能更高的PLC电源，问题才得到解决。PLC系统的正常供电电源均由电网供电。由于电网覆盖范围广，将受到所有空间电磁干扰而在线路上感应电压和电路。尤其是电网内部的变化，入开关操作浪涌、大型电力设备起停、交直流转动装置引起的谐波、电网短路暂态冲击等，都通过输电线路到电源边。PLC电源通常采用隔离电源，但其机构及制造工艺因素使其隔离性并不理想。实际上，由于分布参数特别是分布电容的存在，隔离是不可能的。SiemensTI530C-1104PLCController530C-1104MITSUBISHIA80BDE-A2USH-S​1NSPPA80BDEA2USHS1TEXASINSTRUMENTSPLC505-3508USPP5053508TEXASINSTRUMENTSPLC131547-007USPP131547007TEXASINSTRUMENTS2601011*USED*ALLENBRADLEY3300-CP5USPP3300CP5TexasInstruments500-5020TEXASINSTRUMENTSPLC944910-4-ALUSPP9449104ALPERCEPTRON911-0053USPP9110053PERCEPTRON911-0007USPP9110007(AS01)MFA250LB2NLPANASONICACSERVOMOTORUSEDWORKINGPanasonicACServoDriverMSDA083A1ANewinBoxFreeShipSTENTOFON630540-SB4NSPP630540SB4ITESIEMENSND63T900USPPND63T900ASEABROWNBOVERI58116076USPP58116076TEXASINSTRUMENTSPLC2490683-U13USPP2490683U13PanasonicACServoMotorM***082A4BFreeShipSIEMENS6ES5-391-0AA31USPP6ES53910AA31PANASONICACSERVODRIVEMDDDT5540L011.5KWPanasonicMFA180MB5NBACServoMotor1.8kW(weigh22kg)FreeShipSQUAREDMAL36700USPPMAL36700HOFFMANC-SD302410SSNSPPCSD302410SSALLENBRADLEY1336S-BRF75-AN​-EN5USPP1336SBRF75ANEN​5WEGUSCFW090016T38​48ESZNSFPUSCFW090016T38​48SIEMENSTEXASINSTRUMENTSENHANCEDRUNTIMEKEYBOARDCONTROLLER2587716-8002SQUARED30528-001-57NSFP3052800157560-2820TITexasInstrumentsPowerSupply5602820TEXASINSTRUMENTS500-5018WORDINPUTMODULENEW5005018TexasInstruments5TI-1034-1ASEABROWNBOVERIYT212001-BR-YB​KA70-15USPPYT212001BRYBKA​70NEWPANASONICADKB400BPFADASERVODRIVERPITNEYBOWES5120NSFP5120FOXBORO2ARPS-A6USPP2ARPSA6NewandOriginalPanasonicACServoDriverMSDA043A1AWITH60DAYSWARRANTYTEXASINSTRUMENTSPLC500-5062USPP5005062ALLENBRADLEY1326AB-B520F-2​1-K5USPP1326ABB520F21K​5ASEABROWNBOVERI3HAB2136-001USPP3HAB2136001ASEABROWNBOVERIYB161101-GKUSPPYB161101GKPanasonicACServoDriverMCDDT3520003FreeshipASEABROWNBOVERIYPQ-110AUSPPYPQ110AGENERALELECTRICDS3800HIOA1B1BUSPPDS3800HIOA1B1BASEABROWNBOVERI3BSE030230R1USPP3BSE030230R1PANASONICACSERVODRIVEDV80X050LD4DV80X050LD4DV80X-050LD4HITACHISEIKITexasInstrumentsRTU-DOR1DigitalOutputRelay520-064520064RTUDOR1TEXASINSTRUMENTSPLC560-2132USPP5602132FISCHER&PORTER686B608U01NSPP686B608U01TEXASINSTRUMENTSPLC2223050-0003USPP22230500003SQUAREDMAL36450-8041NSFPMAL364508041ASEABROWNBOVERIYPQ-110AUSPPYPQ110ATexasInstruments500-5055(AS01)MSDA043A1APANASONICACSERVODRIVEUSEDWORKINGALLENBRADLEY3500-NA2USPP3500NA2SST5136-SD-104NSFP5136SD104GENERALELECTRICDS3800HSCC1DUSPPDS3800HSCC1DASEABROWNBOVERI57360001-EF/1USPP57360001EF1PanasonicACServoMotorM***A082A1EFreeShipALLENBRADLEY8000-MDBUSPP8000MDBCOPELANDZR44KA-PFV-830NSFPZR44KAPFV830TexasInstrumentsRTU-8450P1CommunicationBoardTexasInstruments500-2151ATEXASINSTRUMENTSPLC55CM840590031USPP55CM840590031PanasonicServoDriveMADR04311ANewinBoxFreeShipASEABROWNBOVERI57120001-P/5USPP57120001P5)