HCS02.1E-W0054-A-03-NNNN

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描述

HCS02.1E-W0054-A-03-NNNN

為了保證容錯系統(tǒng)具有高可靠性，必須盡量減少系統(tǒng)的平均修復時間MTBR。要做到這一點，在設計上應努力提高單元的獨立性、可修復性、故障可維護性。實現(xiàn)故障部件的在線維護和更換也是冗余技術的重要組成部分，它是實現(xiàn)控制系統(tǒng)故障部件快速修復技術的關鍵。部件的熱插拔功能可以在不中斷系統(tǒng)正?？刂乒δ艿那闆r下增加或更換組件，使系統(tǒng)平穩(wěn)地運行。
? ? 5）故障隔離技術
? ? 冗余設計時，必須考慮工作、備用部件之間的故障應該做到盡可能互不影響或影響的概率相當小（0.01%），即可認為故障是隔離的。這樣可以保證：處于備用狀態(tài)的部件發(fā)生故障時，不會影響冗余工作部件或其他關聯(lián)部件的正常運行，保證冗余的有效性。
? ? 3：冗余技術在控制系統(tǒng)中的應用實現(xiàn)分析
? ? 通過控制系統(tǒng)冗余原理與方法的具體分析可以看到，系統(tǒng)的可用性在很大程度上取決于那些MTBF值較低而能對系統(tǒng)正常運行造成重大影響的部件，如主控制卡、網(wǎng)絡、電源、通訊轉(zhuǎn)發(fā)卡等。在系統(tǒng)設計中對關鍵部件進行冗余設計，可以大大提高系統(tǒng)的可用性。
? ? 下面以SUPCONJX-300X為例分析冗余的實現(xiàn)方式。
? ? SUPCONJX-300X型集散控制系統(tǒng)[1]的各個部件的冗余，實現(xiàn)了從電源、主控制器、過程控制網(wǎng)絡，直至I/O卡件的冗余。
? ? JX-300X型DCS采用全智能化、全數(shù)字化設計，在此基礎上成功地實現(xiàn)了卡件的熱插拔、故障診斷、信息同步等前文提到的各項技術。該系統(tǒng)采用典型控制系統(tǒng)三層模型，每個層次內(nèi)均可冗余配置，而層次之間采用全冗余連接。即整個系統(tǒng)內(nèi)以冗余過程控制網(wǎng)絡（SCnet）和冗余現(xiàn)場I/O總線(SBUS)為高可靠的連接通道，系統(tǒng)內(nèi)各個部件的運行和部件之間點對點連接都可冗余。
? ? 根據(jù)控制系統(tǒng)內(nèi)各個部件功能定位的不同，采用了具體方式有所差別，具體策略為：

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主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進口品牌。 專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家

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TEKTRONIX 7854 OSCILLOSCOPE w/ Opt 2D + AMP + TIME BASE
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Tektronix TDS430A 400 MHz, Digital Storage Oscilloscope

Tektronix ADA400A Differential Preamplifier

TEKTRONIX TLA7N4-6S 2 GHZ LOGIC ANALYZER TLA704 TLA711

Tektronix 11801C

Tektronix ADA400A Differential Preamplifier

Tektronix Model 7854 4 Channel Oscilloscope. With Opt.

Tektronix 11801B 50 GHz Digital Sampling Oscilloscope

Tektronix 015-0310-01 TMS5006 CG5001 SG503 Calibrator

Tektronix 7B92A Dual Time Base Plug-In
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TEKTRONIX P7330 3.5 GHz DIFFERENTIAL PROBE

TEKTRONIX SPG-422

Tektronix 11801 Digital Sampling Oscilloscope

Tektronix TSG170D Digital Composite NTSC Generator

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Tektronix TSG271 PAL TV Generator
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TEKTRONIX PS280 DC POWER SUPPLY

Tektronix 2465A DM Oscilloscope

TEKTRONIX TLA714 Logic Analyzer,Color Mainframe,6 Slots
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Tektronix TLA7N4/6s Logic Analyzer Module, 136 Ch.
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TEKTRONIX 2337 100 MHZ DIGITIZING OSCILLOSCOPE

Tektronix VX4610 SDH/SONET Generator/Recei?ver
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Tektronix Model: VX4790A arbirary Waveform Generator

Tektronix 1735 Waveform Monitor

Tektronix 1740 WaveForm Monitor w/opt 06 (Reduced!)

Tektronix P7240 4Ghz Probe ACCESSORIES #25 Tested

Tektronix TDS 340Areal time osilloscope

Tektronix SD-22 Low Noise Sampling Head Module

Tektronix RFM151 SignalScout Signal CATV Meter RFM 151
@CALIBRATED@SA?LE@5 to 1080 MHz Range@90 Day Warranty@

Tektronix THS710 THS 710 “TekScope,” NIST-calibrated
additional free NIST recalibration within one year

Tektronix TekScope THS720A 100MHz Oscilloscope THS720
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Tektronix TDS 310 TDS310 digital scope, NIST-calibrated
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Tektronix 2232 storage scope with RS232, NIST-certified
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TEKTRONIX ASG-100 AUDIO SIGNAL GENERATOR

Tektronix 2465BCT Oscilloscope, 400 MHz, 4-Channel with

Tektronix 11403 1 GHz Color Digitizing Oscilloscope

Tektronix 1730 NTSC Waveform Monitor

Tektronix HFS9DG2 Four Channel Single-ended output Data

Tektronix AM5030 Current Probe Amplifier

Tektronix TLA7L4 136 Channel Logic Analyzer Card

Tektronix TDS 340 TDS340 digital scope, NISTcalibrated
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TEKTRONIX DSA601A SIGNAL ANALYZER / OSCILLOSCOPE + AMPS

Tektronix 7D15 Universal Counter Timer Plug-In Module
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Tektronix 2337 Oscilloscope 100 MHz

TEKTRONIX TLA7P4 1S LOGIC ANALYZER 136CH 2GHz 16MB #6

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TEKTRONIX 2431L 300MHz DIGITAL OSCILLOSCOPE + P6131

專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊

PLC模塊，可編程控制器，CPU模塊，IO模塊，AI模塊，通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實力庫存商家


選擇深圳長欣，選擇放心，售后無憂大量現(xiàn)貨，當天順豐發(fā)貨！
主營：本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，力士樂等各大品牌的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

先介紹幾點經(jīng)驗。
1、先通讀一遍“系統(tǒng)手冊”（不管能不能看懂，先了解個大概，以便學習編程時查找）；
2、由位控邏輯入手，逐漸增加定時、計數(shù)等條件，把或、與、非關系理順；
3、進而練習整數(shù)運算、實數(shù)運算、類型轉(zhuǎn)換；
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解（最好是有個物理回路驗證，比如變頻器+電機+測速傳感器）；
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制（盡量避免跳轉(zhuǎn)，非跳不可時也是跳的越近越好）；
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機器人配件DSQC系列和Motorola MVME系列，GE 卡件 模塊 驅(qū)動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌，由于PLC的基本框架大同小異，學會一種至于其它的學習起來也就簡單了。

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