IC646NCL000輸入模塊;
IC646NCL000輸入模塊

影響PLC控制系統(tǒng)的干擾源于一般影響工業(yè)控制設(shè)備的干擾源一樣,大都產(chǎn)生在電流或電壓劇烈變化的部位,這些電荷劇烈移動(dòng)的部位就是噪聲源,即干擾源。
干擾類(lèi)型通常按干擾產(chǎn)生的原因、噪聲的干擾模式和噪聲的波形性質(zhì)的不同劃分。其中:按噪聲產(chǎn)生的原因不同,分為放電噪聲、浪涌噪聲、高頻振蕩噪聲等;按噪聲的波形、性質(zhì)不同,分為持續(xù)噪聲、偶發(fā)噪聲等;按聲音干擾模式不同,分為共模干擾和差模干擾。共模干擾和差模干擾是一種比較常用的分類(lèi)方法。共模干擾是信號(hào)對(duì)地面的電位差,主要由電網(wǎng)串入、地電位差及空間電磁輻射在信號(hào)線上感應(yīng)的共態(tài)(同方向)電壓送加所形成。共模電壓有時(shí)較大,特別是采用隔離性能差的電器供電室,變送器輸出信號(hào)的共模電壓普遍較高,有的可高達(dá)130V以上。共模電壓通過(guò)不對(duì)稱(chēng)電路可轉(zhuǎn)換成差模電壓,直接影響測(cè)控信號(hào),造成元器件損壞(這就是一些系統(tǒng)I/O模件損壞率較高的原因),這種共模干擾可為直流、亦可為交流。差模干擾是指用于信號(hào)兩極間得干擾電壓,主要由空間電磁場(chǎng)在信號(hào)間耦合感應(yīng)及由不平衡電路轉(zhuǎn)換共模干擾所形成的電壓,這種讓直接疊加在信號(hào)上,直接影響測(cè)量與控制精度。
Texas Instruments 500 System PLC Series Rack 11 Modules
ALLEN BRADLEY 20AE6P1A3AYNNR?NN USPP 20AE6P1A3AYNNR?NN
TEXAS INSTRUMENTS PLC 505-6511 NSPP 5056511
ASEA BROWN BOVERI EHDB-360C1 USPP EHDB360C1
INDRAMAT DKC04.3-100-7-?FW USPP DKC0431007FW
DENSO M***082Q2U Panasonic SERVO MOTOR
Texas Instruments 500-5056 Output Module
Texas Instruments 7MT210
MITSUBISHI MR-SO203S USPP MRSO203S
Texas Instruments Slot Rack w/ (12) Module(s) 505-6851A, 505-4232 etc D14
ASEA BROWN BOVERI (ABB) DSDP 140B
ASEA BROWN BOVERI 1SDA054335R1 USPP 1SDA054335R1
SIEMENS 6DS1332-8BC USPP 6DS13328BC
GE FANUC 44A297062-G01 USPP 44A297062G01
SIEMENS/TEXAS INSTRUMENTS/CT?I 505-7354 PEERLINK ***XLNT***
TEXAS INSTRUMENTS PLC 535-1212 USPP 5351212
TEXAS INSTRUMENTS PLC PM550-210 USPP PM550210
ASEA BROWN BOVERI YT212001-BR-YB?KA70-15 USPP YT212001BRYBKA?70
ALLEN BRADLEY 1771-TCM NSFP 1771TCM
PACIFIC SCIENTIFIC R43HEAA-R2-NS-?VS-02 NSPP R43HEAAR2NSVS0?2
PANASONIC SERVO DRIVER/ADKA100?BPTADZ/AMKA080?810KAE/NEW
USED Perceptron 390-0049 Enna 17" Monitor 0520776002
Panasonic AC Servo Motor MHMD082P1U
RELIANCE ELECTRIC KC170105-7 USPP KC1701057
Texas Instruments RTU84502 Modem Board
AYDIN CONTROLS 460-5164 USPP 4605164
SIEMENS TI PLC CONTROL MODULE 6ES52524DB11 BRAND NEW S5
TEXAS INSTRUMENTS PLC 500-5006 USPP 5005006
Texas Instruments 5TI Sequencer 5TI-1019-1 Module
ASEA BROWN BOVERI 57310001-CX USPP 57310001CX
EXTORR XTPR200M NSFP XTPR200M
ASEA BROWN BOVERI OESA-630D6PL USPP OESA630D6PL
P-8 Tokyo Electron Panasonic X/Y Servo Pack Assembly
Perceptron 912-0008 Tricam Surface Sensor
TEXAS INSTRUMENTS PLC 560-2132 NSFP 5602132
CORCOM 160ADT6S USPP 160ADT6S
ASEA BROWN BOVERI 503348 NSFP 503348
USED Perceptron 390-0049 Enna 17" Monitor 0520776002
ALCATEL 210SDMLAM NSFP 210SDMLAM
Panasonic Servo Driver MCDHT3520E New in Box Free Ship
Panasonic AC Servo Motor MHMD082G1U 750W New in Box Free Ship
TEXAS INSTRUMENTS PLC 530-1104 USPP 5301104
SIEMENS TEXAS INSTRUMENTS ENHANCED RUN TIME KEYBOARD CONTROLLER 2587716-8002
Panasonic MFA150LB5NPJ AC Servo Motor
MITSUBISHI MTA-100 USPP MTA100
ALLEN BRADLEY 1771-HSAR USPP 1771HSAR
500-9912 TI Texas Instruments Redundant Remote Base Controller 5009912 N761
Panasonic MSD083A2XX AC SERVO DRIVER
Panasonic AC Servo Amplifier MUDB042AAD new
TEXAS INSTRUMENTS PWB2598358-000?1 *USED*
Siemens TI 575-2102 VME PLC
ASEA BROWN BOVERI ACS501-007-4-0?0P2 USPP ACS501007400P2
Texas Instruments 500-5848
One PANASONIC AC SERVO DRIVER MADA01311A79 Free Ship
ASEA BROWN BOVERI ACS601-0070-5-?000B1200800 USPP ACS60100705000?B1
Texas Instruments CTI 505-2560-1, Repaired, Analog Out
ASEA BROWN BOVERI 3GAA063001-CSA NSPP 3GAA063001CSA
Panasonic MFA180MB5NB AC Servo Motor 1.8kW (weigh 22kg) Free Ship
TEXAS INSTRUMENTS PLC 500-5010 NSFP 5005010
TEXAS INSTRUMENTS 500-5047-A 5005047A
ASEA BROWN BOVERI PSD110-1MM4 USPP PSD1101MM4
TEXAS INSTRUMENTS PLC 500-5030 NSPP 5005030
Panasonic AC Servo Motor MHMD042P1U New in Box Free Ship
TEXAS INSTRUMENTS PLC 100-3101 NSFP 1003101
Panasonic AC Servo Driver MSD011A1XXE FreeShip
GE FANUC IC650AEM000 USPP IC650AEM000
ROBERTSHAW DMS-350AC USPP DMS350AC
Texas Instruments WAM 1655575 Board *60 DAYS WARRANTY!*
Expedited shipping ailable
GE FANUC 44A297062-G01 USPP 44A297062G01
Panasonic AC Servo Driver MSDA083A1A / 750W
PERCEPTRON TRICAM CONTOUR SENSOR 911 0007
Panasonic AC Servo Motor M***A012S1A Free Ship
TEXAS INSTRUMENTS PLC 505-4216A USPP 5054216A
SIEMENS TI PLC EXPANSION RACK 8 SLOT 6ES5-701-3LA12 NEW
ASEA BROWN BOVERI 57275758 NSFP 57275758
Panasonic AC Servo Driver MSD043A1XXF
ASEA BROWN BOVERI 57777290 USPP 57777290
