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PWB-49A現貨 in stock! 歡迎來電咨詢~！！

PWB-49A,

PWB-49A

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一般工業控制系統既包括弱電控制部分，又包括強電控制部分。為了使兩者之間既保持控制信號，又要隔絕電氣方面的，即實行弱電和強電隔離，是保證系統工作穩定，設備與操作人員安全的重要措施。

　　電氣隔離目的之一是從電路上把干擾源和易干擾的部分隔離開來，從而達到隔離現場干擾的目的。

　　一、信號隔離

　　信號的隔離目的之一是把引進的干擾通道切斷，使測控裝置與現場僅保持信號，不直接發生電的。工控裝置與現場信號之間常用的隔離方式有光電隔離、脈沖變壓器隔離、繼電器隔離和布線隔離等。

　　1.光電隔離

　　光電隔離是由光電耦合器件來完成的。其輸入端配置發光源，輸出端配置受光器，因而輸入和輸出在電氣上是完全隔離的。由于光電耦合器的輸入阻抗(100Ω～1kΩ)與一般干擾源的阻抗(105～106Ω)相比較小，因此分壓在光電耦合器的輸入端的干擾電壓較小，它所能提供的電流并不大，不易使半導體二極管發光。另外光電耦合器的隔離電阻很大(約1012Ω)、隔離電容很小(約幾個pF)，所以能阻止電路性耦合產生的電磁干擾，被控設備的各種干擾很難反饋到輸入系統。

　　光電耦合器把輸入信號與內部電路隔離開來，或者是把內部輸出信號與外部電路隔離開來，如圖1所示。開關量輸入電路接入光電耦合器后，由于光電耦合器的隔離作用，使夾雜在輸入開關量中的各種干擾脈沖都被擋在輸入回路的一側。由于光電耦合器不是將輸入側和輸出側的電信號進行直接耦合，而是以光為媒介進行耦合，具有較高的電氣隔離和抗干擾能力。

　　目前，大多數光電耦合器件的隔離電壓都在2.5kV以上，有些器件達到了8kV，既有高壓大電流大功率光電耦合器件，又有高速高頻光電耦合器件(頻率高達10MHz)。常用的器件如4N25，其隔離電壓為5.3kV；6N137，其隔離電壓為3kV，頻率在10MHz以上。

　　2.脈沖變壓器隔離

　　脈沖變壓器的匝數較少，而且一次繞組和二次繞組分別繞于鐵氧體磁芯的兩側，這種工藝使得它的分布電容特小，僅為幾個pF，所以可作為脈沖信號的隔離元件。脈沖變壓器傳遞輸入、輸出脈沖信號時，不傳遞直流分量，PLC使用的數字量信號輸入/輸出的控制設備不要求傳遞直流分量，因而在工控系統中得到了廣泛的應用。

　　圖2是脈沖變壓器的應用實例。電路的外部信號經RC濾波電路和雙向穩壓管抑制常模噪聲干擾，然后輸入脈沖

　　變壓器的一次側。為了防止過高的對稱信號擊穿電路元件，脈沖變壓器的二次側輸出電壓被穩壓管限幅后進入測控系統內部。一般地說，脈沖變壓器的信號傳遞頻率在1kHz～1MHz之間，新型的高頻脈沖變壓器的傳遞頻率可達到10MHz。

　　3.繼電器隔離

　　繼電器的線圈和觸點沒有電氣上的，因此，可利用繼電器的線圈接受信號，利用觸點發送和輸出控制信號，從而避免強電和弱電信號之間的直接接觸，實現了抗干擾隔離。

　　圖3是繼電器輸出隔離的實例示意圖。在該電路中，通過繼電器把低壓直流與高壓交流隔離開來，使高壓交流側的干擾無法進入低壓直流側。

　　4.布線隔離

　　將微弱信號電路與易產生噪聲污染的電路分開布線，zui基本的要求是信號線路必須和強電控制線路、電源線路分開走線，而且相互間要保持一定的距離。配線時應區別分開交流線、直流穩壓電源線、數字信號線、模擬信號線、感性負載驅動線等。配線間隔越大，配線越短，則噪聲影響越小。但是，實際設備的內外空間是有限的，配線間隔不可能太大，只要能維持zui低限度的間隔距離便可。

　　附表列出了信號線和動力線之間應保持的zui小間距。如果受環境條件的限制，信號線不能與高壓線和動力線等離得足夠遠時，就得采用諸如信號線路接電容器等各種抑制電磁感應噪聲的措施。

 

1492-LG4Q IEC Term Blck 6.1x105x35.7mm Spr Clp

1492-RCDA4D40 Residual Current Device 40 A

數字量輸入/輸出模塊SM 6ES7 322-1BL00-0AA0 DO/32 24VDC，0.5A，晶體管輸出，光電隔離，40pin前連接器

軟啟動器 3RW40762BB45

運行版軟件 6AV2103-4TX04-0AE5 SIMATIC WinCC V7.0..V7.3 RC 262144 ->WinCC 專業版 max. PowerTags V14 Combo 和 WinCC RT 專業版 262144 PowerTags

150-F60NBDD SMC Flex Smart Motor Controller

1738-OE2VM12 ArmorPoint 2 Point Output Module

1797-ACNR15 FlexEx ControlNet Adaptor

193-EC2BB E3 Plus 3-15 A Overload Relay

198-H4 MECHANISM CIRCUIT BREAKERFOR STARTER

2090-CPBM7E7-16AF02 MP-Series 2m Length Pwr and Brake Cable

2094-AC16-M03-S Kinetix 6000 Integrated Axis Module

CP9I-0MPB-0140-AZ Alpha 50HVis motor power cable (14 meter)

GFK-0398 Series 90-70 PLC Genius Bus Controller User's Manual

IC200UEX264 VersaMax Micro 64 point expansion (40) 24VDC inputs, 24VDC source outputs with ESCP, 24VDC power supply. Compatible with Micro 20/40/64 revision -Bx hardware only version 4.0 firmware and above.

IC647APC010 PA ProductionClient 10 Pak

IC647PDNC PDN:Koyo PLC Direct DL405

IC693CHS397 Base, CPU, 5 Slots, Use With CPU331/CSE331 and above

IC754DVNS01 DeviceNet Slave for QP View

KIT-GFS-357-CN Proficy HMI/SCADA CIMPLICTY WKSHP KIT

SLC/1746 System D1747-6.13 REMOTE I/O ADAPTER MODULE USER MANUAL

Distributed I/O 1734D-IA8XOA8S 120 VAC 8 IN 8 OUT, DNET COMMS, SPRING

Application-specific products 1803-CT1000M PORTABLE POWERMONITOR2 CURRENT XFMR 1K/500/250

Operator Interface 2711-T10C8 PV1000 COLOR TOUCH, DH+ & RS232 PRINT

Support 9301-2SE3500ESR SUPT REINSTATEMENT CONTRACT FOR 93012SE3500ES

Support 9381-PA250KENS SUPPORT RENEWAL CONTRACT FOR 9381PA250KEN

DeviceNet Products 1790D-T0V16 DNET LDX I/O,24VDC,16 SINK OUT BASE, TERMINAL BLK

RSI Software Products 9301-2SE3304 RSVIEW32 RUNTIME 1500 WITH RSLINX SINGLE NODE

RSI Software Products 9358-PBBK30ENE RSBIZWARE BATCH FOR PLX BACK-UP KEY 30 UNITS

Motion Control MPL-B560F-SJ22AA MOTOR,SERVO,26.8NM,3000RPM,SINGL,460V

Motion Control 2090-UXLF-136 AC LINE FILTER,ULTRA,36 AMPS,1 PHASE

GQPM-DEM-L02 QUICKPANEL MINI DEMO GE LABEL

IC646MSS101 Logic Developer - State Standard w/Programming Cable

MTR-3T45-I-R-B-M-0 MTR-Series Servo Motor, Resolver, Metric, 24V Brake

ST-122F STXi input module 16 points, Negative Logic, 12V/ 24VDC (connector type)

SCXI-1128

PCL-724

特倫頓 92-005927-603

MS-S0651

FHP24SX-U

PCM-4896

1492-RCDA4A63 Residual Current Device 63 A

存儲卡 6ES7952-1KT00-0AA0 FEPROM 存儲卡， 32M

變送器 3RS10 40-2GW50

1497-G-CXSX-0-N Control Circuit Transformer

1606-XLDNET8 1606 Power Supply

1762-OW16 MicroLogix 16 Point Relay Output Module

188-K3D080 Miniature Circuit Breaker 8 A

194L-HCDC-001 IEC Control And Load Sw Actuator

2090-CPBM7DF-08AA02 MP-Series 2m Power and Brake Cable

2090-XXNPMF-14S03 Kinetix Drives 3m Standard Cable

BC647TPR075 CIMPLICITY HMI ProServer 75 I/O Runtime System with Proficy GlobalCare

GC647PRTOSI GlobalCare Complete - Proficy Portal OSI PI Connector Ver 3.0

IC200MDL743LT OUTPUT 5/12/24VDC NEG LOGIC 0.5A PER PT (1 GROUP OF 16) 16PT (LT)

IC646PHA935 PA-70H with 935 CPU - AC

IC647MSAM MSA:Mine Safety DAN

IC684TR000320 CIMPLICITY HMI Functionality Thru Scripting (Level 2) (3 Days)

IC697VAL134 Module discontinued. Replacement is VME-3125A-100000 different front panel connector. Contact GE IP Embedded for details.

IC800SSI228P2 28 amp 230 VAC Profibus S2K servo controller for S-series motors

SLC/1746 System 1747-L542 SLC 5/04 CONTROLLER, 32K MEMORY

Industrial Computers 6181P-12NPXPH VERSAVIEW INTEGRATED DISPLAY COMPUTER 12-INCH TFT

Application-specific products 9358-PBANT03ENE RSBATCH NT FOR PROCESSLOGIX ARCHIVER 03 UNITS

Operator Interface 2711-B5A9L3 PV550 MONO KEY&TOUCH, DH+ & RS232 PRINT

Support 9303-4DTS01ENR SUPT REINSTATEMENT CONTRACT FOR 93034DTS01ENE

Support 9393-RSCOMP500R SUPT REINSTATEMENT CONTRACT FOR 9393COMP500

ControlNet Products 2711-K6C15 PV600 COLOR KEY, CNET & RS232 PRINT

RSI Software Products 9301-2SE2500PTE RSVIEW32 WORKS 100K (PORTUGUESE)

RSI Software Products 9358-BEPB10ENE RSBIZWARE BATCH AND EPROCEDURE BUNDLE 10 UNITS

Motion Control MPL-A4540C-MJ24AA MOTOR,SERVO,10.2 NM,1500RPM,MULTI,230V,BRK,13KG

Motion Control 2090-XXNFMP-S30 CABLE,NON-FLEX,MOTOR FEEDBACK,MP/1326AB,30M

CBL-T7-MB-20 Power/Brake Cable, MTR-3T1x & MTR-3T2x Series Servo Motors, 20 Ft.

IC641PCC016 Toolkit, Function Block, C

IC800SSD107RS1 7.2A, 115/230V, S2K Servo Drive for MTR Series Motors

PR-PAT-BRK01 Proficy PAT - Driver For Bruker Ftir Spectrometers

PXI-6120

ATX6022-14G

MIC-3390

AX98690

PCA-6184E2

PEAK639VL2

1492-MR8X12H1-50 Connection Products

1495-N34 Electrical Interlock

行程開關 3SE53120SD11

運行版軟件 6AV2105-0MA04-0AA0 SIMATIC WinCC Runtime 專業版 65536 PowerTags V14

1585J-M4TBJM-5 RJ45 Ethernet Media

1756-OF8 ControlLogix 8 Pt A/O I or V Module

188-K1C040 Miniature Circuit Breaker 4 A

194E-GA32E-P22 194E Load switch

2090-CFBM7DF-CEAA04 MP-Series 4m Servo Feedback Cable

2090-UXCK-D15 Ultra Series Breakout Board Kit

BC646PCN110 OP Operator Console Runtime S/W 700 I/O w/GC

GC647DMS010 GC DataMart 10 PA Connections

IC200ALG264 Analog input 15 bit current 15 channel

IC646IFCLNTCRO025K iFIX iClient Read Only 25 PK Keyless (M1 Kit Part)

IC647IFPRDV00075K iFIX Profsnl SCADA 75 I/O Development (M1 Kit Part)

IC660MLS101 Label for IC660BBS101 (Qty 100)

IC697BEM741RR FIP Bus Controller 9070

IC800BIHV010 BSVM1-10HVi Beta HVi 10 amp amplifier kit

ControlLogix/1756 System 1756-L55M23 LOGIX5555 PROCESSOR WITH 1.5MBYTE NV MEMORY

Industrial Computers 6182H-7BRH15B VVCE 700, KEY/TOUCH, STD MEM, CNET, AC

Process Control 9323-ATUNEENE LOOP TUNER FOR LOGIX5000 PIDE FUNCTION BLOCK

Operator Interface 2711P-K15C15B2 PV PLUS 1500, KEYPAD, CNET, AC PS, EXT MEM

Support 9240-WIN16SDKR SUPT REINSTATEMENT CONTRACT FOR 9240WIN16SDK

Support 6723-PCSS SUPPORT RENEWAL CONTRACT FOR 6723-PCS

Support F5130-RM2 FIRMWARE UPGRADE FOR 5130-RM2 PLC5250 PROCESSOR MO

RSI Software Products 9301-2SE2350ZHU2 RSVIEW32 WORKS 300-5K UPGRADE IN-SUPT (ZH)

RSI Software Products 9351-OSF INTERCHANGE FOR DIGIAL UNIX

RSI Software Products 9399-WINIG WINDOWS-BASED PRODUCTS INSTALLATION GUIDE

Motion Control 8720MC-VA-B 460VAC VARISTOR

BC646MRE150 Logic PC & View Runtime (HRT) 150 I/O

IC300STP100 Stepper Indexer. Single axis, supports-type signals only (pulse train out, quadrature or Up/Down in)

IC754VKI12CTD Starter Kit - 12" Color-TFT QuickPanel View Intermediate, Touch, 24VDC

MTR-3T57-H-R-0-M-0RR Servo Motor Metric

PCI-8431/4 (RS485/RS422)

HSB-460I

Asus/華碩P2L97

R2Z-6350P-R

DOM 32M

84-00136

1494G-BF3N-203W-421 NEMA 1494G Enclosed Disconnect

軟啟動器 3RW44366BC44

ET 200SP 6ES7132-6BF60-0AA0 DO 8x24VDC/0,5A 漏型輸出，基本型， 基座單元類型 A0

1585D-E4UBDE-3 Ethernet Media M12 Patchcord

1753-OW8 GuardPLC Relay Output Module

1794-IE8H Flex 8 Point Analog Input Module

194E-AA63E 194E Load switch

2080-LC30-48AWB Micro830 48 I/O Controller

2090-CSWM1DF-18AA07 Kinetix 7m Smartlink Single Cable

20AC3P5A3AYNNNC0 PowerFlex 70 AC Drive 20A

GC646MQP001 Proficy GlobalCare Complete for View for QuickPanel

HE693RTD665 Discontinued Part. Check with GE IP on migration path.

IC610MDL105RR Thumbwheel Interface Module

IC647HSTSS10000KM Historian Standard Server 10,000,000 Points (M4 Key)

IC660BBD022RR 24Vdc Source I/O Block, 16 Circuit, Ph B

IC694PWR331 Power Supply 24 Vdc High Capacity.

IC756WDN009J-23 DV Development Sys VB, Java, C++, C, Japanese, Version 2.3

CompactLogix System

PLC-5/1771 System 1771-P6S POWER SUPPLY,SLOT (ONE SLOT), 8A, 220V AC

Distributed I/O 1798-OE2 FLEXARMOR 2 CHANNEL ANALOG OUTPUT MODULE

Operator Interface 2711P-B6M8D PV PLUS 600 GRAYSCALE, KEY/TOUCH, DH+, DC PS

Support 9323-PA2SS SUPT RENEWAL CONTRACT FOR 9323PA2S

Support 9358-PB60R SUPT REINSTATEMENT CONTRACT FOR 9358PB60ENE

Support F1772-SD FIRMWARE UPGRADE FOR 1772-SD PLC2 PROCESSOR MODULE

RSI Software Products 9324-RLD6U7PTE RSLOGIX 5000 FULL TO PRO UPGRADE, PORTUGUESE

RSI Software Products 9305-RSVADFVCFRE RSVIEW32 ACTIVE DISPLAY FLOAT. VIEW CLNT (FRENCH)

RSI Software Products 9301-PCI2000ETHP APPLICOM PCI2000ETH ADDITIONAL PROTOCOL

Motion Control 2094-BNCON-1 460V CONVERTER CONNECTORS UP TO 15KW

A06B-6050-K115 Connector Kit, B2, B6 and A6 Motor Encoder

IC200UEX009 14 point expansion. (8) 120VAC In, (6) Relay Out (2 at 10 amp and 4 at 2 amp), 120/240VAC Power Supply. (includes IC200CBL501)

IC752CBT053RR Datapanel 320T CB (Color Base) with Advanced software: 320x240 1/4 VGA Passive Color with 80386SX/40 PC processor. Analog touch screen with text, bitmaps, bar graphs, real time clock. With Real Time Trends & Host Communications.

MTR-1N41-G-N-A-E-0 MTR series NEMA 42 stepping motor with parallel winding connection and encoder

NI 9242

ROCKY-3703EVR-VC

Matrix MRK-1005 ABX-1005(G)

SBC-F757CVGL-RS

SBC-8173

LXE VX4 158637-0001

TM172PDG28R

1492-SPM3D050 MCB Supplementary Protector 5 A

軟啟動器 3RW40281BB04

SIMATIC HMI 系列面板 6AV2123-2GB03-0AX0 KTP700 Basic PN 7 寸觸摸 + 按鍵

150-SD3NUR SMC-50 SOLID STATE MOTOR CONTROLLER 520A

1738-AENT ArmorPoint Ethernet Adaptor

1783-ZMS24TA ArmorStratix 5700 24 port managed switch

193-KA40 0.25-.40 A IEC Bimetallic Overload Relay

20-750-P5-C770D740 PF750,Fr8,DC Input w Precharge,400/480V

2090-CPWM7DF-16AF20 MP-Series 20m Length Power Cable

20AB022F0AYNANC0 PowerFlex 70 AC Drive 22 A at 7.5 Hp 20A

GA647IFPLDV00150 GCA iFIX Plus SCADA 150 I/O Dev

GP647IFCLNTS001 GCP iFIX iClientTS Each Additional User

IC600BF813RR Type J Thermocouple Input Module (8 points)

IC647HSTCC3KM Calculation Collector for Historian - Standard Server 2500 Points (M4 Key)

IC647TBPM TBP:Texas Instrument Transparent Byte Protocol

IC693MDL930CA Conformal Coated Relay Output module, 4 amp 8 point isolated

IC756LDV001E-99 DV Development - Intel/Linux RedHat Addt'l User, English, Version 9.9

Pico Controllers 1760-CBLPC02 GFX PROGRAMMING CABLE

PLC-5/1771 System 1771-OM 220/240V AC OUTPUT MODULE, 8 DRIVER, SOURCE OUTPUT

Distributed I/O 1791-24A8 BLOCK I/O, 120V AC, 32 POINT MODULE

Communications 1786-TNCL10 CONTROLNET TNC COAXIAL CONNECTOR - PLUG

Operator Interface 2707-MVP232 MICROVIEW, PANEL MOUNT, 2 LINE LCD, RS-232

Support 9701-VWSS250AR SUPT REINSTATEMENT CONTRACT FOR 9701VWSS250AENE

Support 9324-RL0100PTS SUPT RENEWAL CONTRACT FOR 9324RL0100PT

EtherNet/IP Products 1788-MCHKR NETWORK MEDIACHECKER (ENET, CNET, DNET, DH+/RIO)

RSI Software Products 9301-2SE340ZHU5R RSVIEW32 RUNTIME 5K-32K UPGRADE OUT-SUPT (ZH)

RSI Software Products 9356-PRO2450U2R UPGRADE: OUT-SUPT: RSSQL STD.300 TO PROF.32000 TAG

Motion Control F-6100-R-H04AA MOTOR/ENCODER/BRAKE

44A722981-011RR Color Adapter Card (W/M 1)

IC200ACC451 Simulator for VersaMax Micro 8 Inputs

IC693MDL310 120 Vac Output, 0.5 Amp (12 Points)

TRM-21006666 Connector, 20 Point Screw Terminal, S2K Digital I/O

cDAQ-9133

PCA-6176

艾訊科技 AX5216

Digium TE410P-Quad T1/E1

IPC-610H

COSMO ATPG-46

PSA300R

1492-SPM1D200 MCB Supplementary Protector 20 A

通用型變頻器 6SE6 440-2UD33-7EB1 "37 KW,275 x 650 x 245"

電機啟動器 3VU13401TF00

150-C60NCD SMC-3 60A Smart Motor Controller

1692-ZG6666 24 V DC Electronic Circuit Protection

1771-IFEK 1771 Input Module

193-EC3EE E3 Plus 18-90 A Overload Relay

198-PL21G IEC Pilot Light Enclosure Accessory

2090-CPWM4DF-14AF02 MP-Series 2 m Length Power Cable

2094-BC01-M01-M Kinetix 6200/6500 Integrated Module

DEMOCD00002 Proficy Historian DEMO CD

GFK-0646 C Programmer's Toolkit for Series 90 PLCs User's Manual

IC200UMB001 VersaMax Micro 20/40/64, User Program Memory Module. Compatible with VersaMaxMicro 20/40/64 only.

IC647AQC100 PA Quality Client 100 Pak

IC647PME005 Proficy Change Management Server Machine Edition Version - 5 Concurrent Users

IC693CMM302CA Conformal Coating Enhanced Genius Communications module.

IC754VBB06CTD 6 INCH BASCI TFT WITH BLANK

MSI-ACQUIDATA I/F-43 Acquidata Testream Interface Ver 4.3

SLC/1746 System 1747-DEMO-7 DEMONSTRATION UNIT FOR MODULAR HARDWARE STYLE

Distributed I/O 1734-IB4 24V DC 4 CHANNEL SINK INPUT MODULE

Application-specific products 1803-EEM10E12 EEM, 16 PULSES, 24V DC, NEMA 12 ENCLOSURE

Operator Interface 2711-T10G16L1 PV1000 GRAYSCALE TOUCH, DF1 & RS232 PRINT

Support 9301-MSGRPROR SUPT REINSTATEMENT CONTRACT FOR 9301MSGRPROENE

Support 9381-POCXENS SUPT RENEWAL CONTRACT FOR 9381POCXEN

DeviceNet Products 1790D-TN0V2 DNET LDX, 2 OUTPUT VOLTAGE ANALOG BSE, TERM BLOCK

RSI Software Products 9301-2SE330PTU2R RSVIEW32 RUNTIME 150-1500 UPGRADE OUT-SUPT (PT)

RSI Software Products 9358-PBNTK10ENE RSBATCH NT FOR PROCESSLOGIX BACK-UP KEY 10 UNITS

Motion Control MPL-B680D-MJ22AA MOTOR,SERVO,60.0NM,2000RPM,MULTI,460V

Miscellaneous CRLP-S0503 LOGICPWRSUPPLY(5V,+-12V)

GUS Greyline Universal Software

IC646NSL900 CIMPLICITY SQL Processor License

OIP-DSP1-C Opeartor Interface Panel

ST-2328 STXi output module 8 points, Positive Logic, 24VDC/ 0.5A

SCXI-1322