5370-CVIM、5370-CVIM
5370-CVIM、5370-CVIM
,PLC在工業(yè)控制中的應(yīng)用越來(lái)越廣泛。PLC控制系統(tǒng)的可靠性直接影響到工業(yè)企業(yè)的安全生產(chǎn)和經(jīng)濟(jì)運(yùn)行,系統(tǒng)的抗*力是關(guān)系到整個(gè)系統(tǒng)可靠運(yùn)行的關(guān)鍵。自動(dòng)化系統(tǒng)中所使用的各種類型PLC,有的是集中安裝在控制室,有的是安裝在生產(chǎn)現(xiàn)場(chǎng)和各種電機(jī)設(shè)備上,它們大多處在強(qiáng)電電路和強(qiáng)電設(shè)備所形成的惡劣電磁環(huán)境中。要提高PLC控制系統(tǒng)可靠性,設(shè)計(jì)人員只有預(yù)先了解各種干擾才能有效保證系統(tǒng)可靠運(yùn)行。 2. 電磁干擾源及對(duì)系統(tǒng)的干擾是什么? 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。
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ALLEN-BRADLEY 2711-K5A5 PANELVIEW 550 INTERFACE DISPLAY
Allen Bradley Panelview 550 2711-B5A2
Allen Bradley 2711-K5A2 /E | PanelView 550 #3
Allen Bradley 2711-K5A2 /F | PanelView 550 #9
*NEW* Allen Bradley AB 2711-T5A5L1 /B PanelView 550
Allen Bradley 2711-K5A8L1 /G | PanelView 550
Allen Bradley 2711-K5A2 /B | PanelView 550 #2
NEW!!! Allen Bradley Panelview 550 2711-K5A5 SER G
Allen Bradley 2711- B5A3 Panelview 550 2711 B5A3
ALLEN-BRADLEY 2711-T5A8L1 PanelView 550
Sumitomo Type-35 Fiber Fusion Splicer Type 35 w Cleaver
Fluke 196B ScopeMeter Oscillosco?pe Scope Meter 196
Fluke Networks 620 LAN Cable Meter Cat5 Coaxial Tester
Agilent HP MM Fiber SmartProbe WireScope 350 N2597A-030
Sunrise ecom SDSL Module SSxDSL-7 SunSet MTT & xDSL
Agilent HP Sunrise CALAN Star 2010 SLMS CATV Analyzer
JDSU Acterna Wavetek SDA-4040D CATV SDA4040D SDA 4040D
Anritsu Site Master S331A Antenna SiteMaster S331
Fujikura FSM-20CS Fiber Fusion Splicer Cleaver FSM 20CS
Agilent FrameScope Pro N2620A N2620A-001 N2620A-031
Sumitomo Type-25e Fusion Splicer Type25e Type-25 Cleavr
Tektronix TekRanger2 TFS3031 SM Fiber TekRanger 2 OTDR
Trilithic Model Three XFTP Signal CATV Meter Model3 3
TTC T-BERD 307 DS1 / DS3 Communicat?ions Analyzer 307-1
Agilent FrameScope Pro N2620A N2620A-001 N2620A-031
Fluke FTK-100 MM Fiber Optic Test Kit FM130 FOS FT120
AFL Noyes MLP 1-2 MM Light Pack Fiber Loss Test Set PM
Fluke Microtest FiberLight FiberEye MM Test Kit Fiber
EXFO FLS-235B Pocket Pal Visual Fault Identifier VFL
Agilent HP E6000B OTDR w/ E6005A MM Fiber E6000 VFL
JDSU Acterna SmartClass VDSL Tester Smart Class
Noyes AFL VFS1 Video Fiber Optic Scope VFS 1 300X
Noyes VFI 1 Trouble Lite Visible Fault Identifier
Fluke OptiView Series III OPVS3 PRO OPVS3-GIG OPVS3-ATE
Fluke DSP-4300 Cat6 SM / MM Fiber Cable Tester DSP4300
Anritsu Site Master S251B Antenna SiteMaster S251 5/10A
Agilent WireScope PRO N2640A-100 Cat6 GIG N2647MM Fiber
Agilent Wirescope 350 Cat5e Cat6 Fiber Cable Certifier
GN Nettest CMA4000 SM MM Fiber OTDR CMA4456 VFL VFS1
Fujikura FSM-20CSII Fiber Fusion Splicer FSM Cleaver
Fanuc Servo Amplifier A06B-6079-H108 Reparatur
MINOLTA CA-100 CRT COLOR ANALYSER CA100
YASKAWA SGMG-13A2AB AC SERVO MOTOR
MAGNETEK GPD503 DS317 UMRICHTER
SIEMENS 6ES5 254-4UB21 SIMATIC S5 6ES5254-4UB21
5N-2000M Fanuc Permanent Magnet DC Servo Motor_
FANUC A16B-2201-0101-?07A BOARD A16B2201010107A
SIEMENS 6SC6140-0FE00 SIMODRIVE 690 6SC61400FE00_
SIEMENS 6SC6130-0FE00 POWER SUPPLY 6SC61300FE00
Siemens ZBE 3974-MB/F-B25 Computer
SIEMENS 1HU3078-0AC01-Z or 1-HU3078-0AC01-?Z P.M. MOTOR
6SN1113-1AB01-0?BA01 SIEMENS PW-MODUL
Siemems 6QG2542-7AN10 KW Staudinger
INDRAMAT KDV-2.1-100-220?/300-W1 POWER SUPPLY Reparatur
INDRAMAT KDV-1.3-100-220?/300-W1 POWER SUPPLY Reparatur
INDRAMAT KDV-1.2-100-220?-300 POWER SUPPLY Reparatur
FANUC A06B-6093-H152 SERVO AMPLIFIER UNIT A06B6093H152_
SIEMENS 6RA 4001-2AB02 SIMOREG 6RA4001-2AB02
Siemens 6AC6936-0AA10-0?AA0 Sichtstation
Siemens 1FK6084-6AZ21-9?ZZ9-Z-S05 Motor
Fanuc 5N-2000M or 5N2000M DC Servo Motor Reparatur
SIEMENS CPU 942B 6ES5-942-7UB11 or 6ES5942-7UB11
KINETROL 090 OR 090620 SCHWENKANTRIEB
SIEMENS 6FX1121-4BA02 or 6FX 1121-4BA02 INTERFACE KARTE
SIEMENS 6FX1151-1BB01 OR 6FX 1151-1BB01 KARTE
Fanuc A06B-0318-B032#?7000 AC Servo Motor
SIEMENS 6SC6100-0NA21 SIMODRIVE_
SIEMENS G34901-D2003 BEDIEINEINHEIT
SIEMENS 6SE6400-3CC03-5?CB3 AC COMMUNIKATION CHOKE
FANUC A16B-2200-0090 /07A AXES CONTROL
Siemens 6SN1146-1BB02-0?CA0 SIMODRIVE 611
FANUC A20B-1000-0940-?03B BOARD A20B1000094003B
LIPPERT ET1403 IP54 IBM P4 PC
SIEMENS 6FX1154-8BB01 SINUMERIK 6FX11548BB01
SIEMENS C98043-A1601-L SIMOREG Reparatur
Bosch SM5/10-TC or 060839-105 Drive
Bosch S5/10-TC or 060839-102 Drive
Kloeckner Moeller PS4-401-MM1 Digital-Modul
Siemens 6FX1113-4AD01 MS 300 Platine
ABB STROMBERG SAFT187CON PC BOARD
SIEMENS 6SN1145-1BA02-0?CA0 SIMODRIVE 611 Reparatur
MITSUBISHI A616AD CONTROLLER
SIEMENS 6ES5-324-3UA12 INTERFACE MODUL 6ES5324-3UA12_
SIEMENS 6SC6120-0FE01 SIMODRIVE BOARD 6SC61200FE01
6EA1750-0AA00-0?AA0 Siemens PG 750
SIEMENS 6FX1192-3AC00 SINUMERIK MS122 6FX11923AC00 _
SIEMENS 6SN1123-1AA00-0?DA0 SIMODRIVE 611
SIEMENS 6SC6100-0AB00 POWER SUPPLY 6SC61000AB00_
FUJI GHP-61666 or GHP61666 DC MOTOR_
SIEMENS 6ES5944-7UA22 115U CPU944 6ES5-944-7UA22_
AEG MODICON AS-B243-110 CONVERTER A/D10VDC
AEG MODICON AS-B243 CONVERTER A/D
SIEMENS 6RB2060-0FB00 or 6RB 2060-0FB00 PLATINE
SIEMENS 6ES5943-7UA21 CPU MODULE 6ES5-943-7UA21_
BAUER BF60-04W/D11MA4?-TF-ZW or BF 60 04W-D11MA4-TF-Z?W
HELDT&ROSSI SM805DC FREQUENZUMRICHT?ER Reparatur
YASKAWA SERVOPACK CACR-SRA5AC YASKAWA GA6000142
SIEMENS 6FX1126-8BA00 SERVO INTERFACE
BAUER BF60-04W/D11MA4?-TF-ZW or BF 60 04W-D11MA