2098-DSD-020X

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描述

2098-DSD-020X

目前的網(wǎng)絡(luò)控制器都提供了命令、診斷、配置和狀態(tài)寄存器，通過(guò)讀寫(xiě)這些寄存器，便可以區(qū)分上述5種情況。當(dāng)系統(tǒng)運(yùn)行時(shí)，各種因素都可能存在，為了在線反映網(wǎng)絡(luò)各節(jié)點(diǎn)的運(yùn)行狀態(tài)，每個(gè)節(jié)點(diǎn)可以設(shè)置一張網(wǎng)絡(luò)狀態(tài)表，記錄各節(jié)點(diǎn)上每塊網(wǎng)卡的運(yùn)行狀態(tài)。當(dāng)某節(jié)點(diǎn)上1塊或2塊網(wǎng)卡的狀態(tài)改變時(shí)，其他節(jié)點(diǎn)應(yīng)能在盡可能短的時(shí)間內(nèi)知道。為此，每個(gè)節(jié)點(diǎn)的2塊網(wǎng)卡需要定時(shí)廣播1個(gè)測(cè)試包，表明該節(jié)點(diǎn)的網(wǎng)卡存在。其他節(jié)點(diǎn)收到此包時(shí)，修改網(wǎng)絡(luò)狀態(tài)表中此節(jié)點(diǎn)上相應(yīng)網(wǎng)卡的狀態(tài)。然而在運(yùn)行過(guò)程中，如果某節(jié)點(diǎn)的1塊網(wǎng)卡離線，它將既不能接收、也不能發(fā)送。而在此之前，它已在其他節(jié)點(diǎn)的網(wǎng)絡(luò)狀態(tài)表上登記了，其他節(jié)點(diǎn)將認(rèn)為該網(wǎng)卡存在且正常，顯然沒(méi)有反映網(wǎng)卡運(yùn)行的真正狀態(tài)。為了準(zhǔn)確反映網(wǎng)卡的狀態(tài)，每個(gè)節(jié)點(diǎn)的2塊網(wǎng)卡定時(shí)廣播測(cè)試包的同時(shí)，將本節(jié)點(diǎn)的網(wǎng)絡(luò)狀態(tài)表中所有網(wǎng)卡狀態(tài)計(jì)數(shù)加1，直到最大值LIMIT。每當(dāng)收到某節(jié)點(diǎn)的測(cè)試包時(shí)，將該節(jié)點(diǎn)相應(yīng)網(wǎng)卡的狀態(tài)計(jì)數(shù)清為0。這樣，保證狀態(tài)數(shù)小于最大值LIMIT和定時(shí)廣播周期就可以在線實(shí)時(shí)監(jiān)視網(wǎng)絡(luò)的運(yùn)行，準(zhǔn)確反映節(jié)點(diǎn)所處的狀態(tài)。在2個(gè)網(wǎng)絡(luò)之間還可以添加具有路由功能的網(wǎng)間傳輸設(shè)備，當(dāng)2個(gè)網(wǎng)絡(luò)同時(shí)出現(xiàn)故障時(shí)，網(wǎng)間傳輸設(shè)備也能自動(dòng)尋找可行路徑，組成1個(gè)環(huán)路，保持系統(tǒng)的正常通信。

?選用DCS之前首先要明確應(yīng)用的目標(biāo)，提出對(duì)DCS功能的要求，確定系統(tǒng)的規(guī)模。一般都需要儀表自動(dòng)化、工藝負(fù)責(zé)人及計(jì)算機(jī)的負(fù)責(zé)人、設(shè)計(jì)院項(xiàng)目負(fù)責(zé)人幾方面討論確定，以達(dá)到最大限度地滿(mǎn)足生產(chǎn)和操作的要求。
? ? 1、應(yīng)用DCS的目標(biāo)
? ? （1）提高裝置生產(chǎn)及管理水平
? ? 提高生產(chǎn)效率（提高收效），降低生產(chǎn)成本，節(jié)能，降耗，提高產(chǎn)品質(zhì)量，提高生產(chǎn)方案變化的靈活性及適應(yīng)性，提高裝置的管理水平，提高故障分析的科學(xué)性和生產(chǎn)管理標(biāo)準(zhǔn)化，有利于勞動(dòng)競(jìng)賽，挖掘生產(chǎn)潛力。
? ? （2）提高裝置的控制水平
? ? 實(shí)現(xiàn)裝置穩(wěn)定化控制及操作優(yōu)化，實(shí)現(xiàn)先進(jìn)控制，實(shí)現(xiàn)順序邏輯控制，實(shí)現(xiàn)設(shè)備故障診斷和聯(lián)鎖保護(hù)，實(shí)現(xiàn)局部或全裝置的最優(yōu)化控制，生產(chǎn)及管理水平的提高，控制水平的提高，將為實(shí)現(xiàn)裝置“安、穩(wěn)、長(zhǎng)、滿(mǎn)、優(yōu)”生產(chǎn)發(fā)揮重要作用，具有顯著的經(jīng)濟(jì)效益和社會(huì)效益。
? ? 這些目標(biāo)可以分階段考慮，逐步應(yīng)用、開(kāi)發(fā)，系統(tǒng)亦將逐步擴(kuò)展以實(shí)現(xiàn)最終目標(biāo)。

產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營(yíng)DCS系統(tǒng)配件
機(jī)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(mén)子，摩托羅拉，安川。力士樂(lè)。ACSO，橫河等進(jìn)口品牌。 專(zhuān)業(yè)銷(xiāo)售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專(zhuān)業(yè)銷(xiāo)售進(jìn)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(guó)內(nèi)實(shí)力庫(kù)存商家

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Quadrics QsNet-II Interconnect Network Switch+Modules

WYKO RST Optical Profiler Interferometer Microscope Lab

Fadal VMC-4020 CNC Vertical Milling Machining Center

AMAT Rorze RR701L1211 2-Arm Wafer Robot+CURR Controller

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AMAT Rorze FABS-202 Wafer Transfer Robot Arm+Controller

Hurco KM3 CNC Vertical Knee Mill Milling Machine 42×12”

Tecan Genesis RSP-150/8 Liquid Handler Robot w/PC SYMYX

Soundcraft DC2000 32-CH Pro Mixer Studio Mixing Console

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Ohmeda RC0040 MedPlus Medical Duplex Vacuum Plant Pump

Chyron Aprisa SSX StillStore Server+Keyboard Controller

AE VHF Ovation 35162 RF Power Generator 3.5kW/162MHz

Newport TCB200-600-10um 1-Axis Linear Translation Stage

Chyron Duet-LEX CG Character Generator Animation Sys-3

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AMAT Ebara ET801H Turbopump Turbo Molecular Vacuum Pump

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Adtec AX-2000EUII-N 2000W RF Plasma Generator 13.56MHz

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Molecular Analytics IonPro-IMS Ambient Ammonia Analyzer

NSS Champ ZS 29 Ride-On Floor Scrubber/Sweepe?r+Charger

QualiTau M26 MIRA TDDB Analyzer Test Chamber Oven Sys

KLA Tencor 2135 CMP Wafer Inspection Robot Loader Assy

Newport 8’x5′ 1″-Grid Optical Breadboard Table w/Legs

Quadrics TG108 10Gbps Ethernet Switch+QM601/QM?602/QM670

Haake Rheocord 9000 Fisons Rheometer Mixer Extruder Sys

Shel-Lab Sheldon Bactron-X Anaerobic Incubator Chamber

ENI GHW-85A RF Plasma Generator Power Amplifier 8500W

Comdel CB5000 High Frequency RF Power Supply 5000W

Continuum NY60-50 Nd:YAG Laser +Power Supply/Controll?er

Fukuda Denshi UF-750XT Digital Ultrasound System Parts

HP Agilent E8404A VXI Mainframe+SM800?1 Switch Modules

Brooks Automation Reliance ATR-8 ATR8 Robot Controller

MCE IPS TES 8653D IC Chip Handler Pick & Place Setter

Comdel CX-10P RF High Frequency DC Power Source Supply

Carl Zeiss OPMI 6S Surgical Ophthalmic Microscope+Stan?d

DEC DEChub-900 MultiSwitch DECconcentrator?-900FH DEFHM

Vivato WiFi Outdoor Switch Wireless WLAN Antenna 2.4GHZ

Gendex/UAI Uni-Max 325 Chiropractic Imaging X-Ray Sys.

Trace Xantrex SW5548 Sine Wave Inverter Charger +GTI

Hirox MX-5030RZ II Rotational Microscope w/CT-1 Control

Drager Narkomed 2A Surgical Patient Anesthesia Machine

AMAT Leybold Turbovac TW300 Turbo-Molecular Vacuum Pump

Labconco FreeZone 12-Liter Lab Freeze-Dry Dryer Console

Keyence VH-6300 Hi-Res Digital Video Microscope System

Gardner-Denver EDE-QJB 50HP Rotary Screw Air Compressor

Yamato SM-52 Autoclave Sterilization/D?rying Lab Chamber

Yamato Mechanical Forced Convection Lab Oven DKN-600

NetApp FAS980 Network Storage Filer Head 2x 2.7Ghz/6GB

Cutler Hammer CRD-65K 3-Pole Circuit Breaker 600V 2000A

Ebara A07V Multi-State Dry Vacuum Pump 700/840LPM 1.5kW

Amersham MegaBACE 4500 Lab DNA Analysis Sequencer Sys

Ebara A10S Multi-Stage Dry Vacuum Pump w/2.2kW Motor

GeneVac EZ-2 Plus Centrifugal Vacuum Solvent Evaporator

Blue-M IGF-6680F Industrial Gas Furnace Convection Oven

Miller Syncrowave 300 Tig Arc Welder+SP-1 Programmer

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Osaka Compound Lab Turbo Molecular Vacuum Pump TG3213EM

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ALINE TC-520-F Thermal Seal Vacuum Heat Sealing Chamber

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ENI OEM-25A Solid State 3Phase RF Power Generator 2750W

AMAT Ebara 803H Turbo Molecular Vacuum Pump Controller

AMAT Comdel CPS-1001 RF Generator 1000W Power Supply

TrippLite SU10K Unison Smart Online UPS Sys 10KVA 7000W

GE Marquette MAC 5000 Interpretive EKG ECG Monitor

BARD H-8000 TransAct Intra-Aortic Balloon Pump System

Barnstead Thermolyne 30400 Muffle Furnace F30428C-80

Taylor-Wharton 17K K-Series Cryostorage System Chamber

K.O. Lee BA962H Tool Cutter Grinder +Ball Bearing Motor

Shanklin T-6XL Heat Shrink Tunnel/Conveyor Machine

Force10 Networks LC-ED-RPM Route Processor Module RJ-45

IL Lab ACL Futura Automated Blood Coagulation Analyzer

EMC Symmetrix 3630 32-Slot 1.1TB HDD Network Storage

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Electroglas 2010-CX Wafer Prober TC2000 Temp Controller

IBM 3623-2SX SCSI/LVD Tape Auto-Loader Storage Library

Cisco MGX-8220 Edge Concentrator Switch w/2xBNM+2xASC

Rucker & Kolls 1032 Lab Automatic Wafer Prober Station

PPG Biomedical EVR Polygraph Lie Detector Recording Sys

Busch RC0160-B032-100?1 Vacuum Pump 117CFM 7.5HP 230V

NeoLaser AX Brain LV820IP Red Beam Laser Marker Leveler

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Nikon NSR Interferometer Laser Power Supply w/Modules

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Microdyne 1400-MRA Telemetry Receiver 1415 1420 1458-D

Taylor-Wharton XL-240 Lab Cryogenic Liquid Storage Tank

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Grass Valley 3000 3ME TV Video Controller/Swit?cher

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Perkin Elmer 200 LC Autosampler +Peltier Tray Control

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‘07 Access Point AXS7000 Electric Power Wheelchair 6MPH

Beckman J2-21 Lab Refrigerated Centrifuge +JA-20 Rotor

Olympus Binocular CCD Lab Stereo Trinocular Microscope

Microdyne 1400-MR Telemetry Receiver 1415 1420 1458-D

Chiller Optimizer A/C Temperature Controller Panel HVAC

Nederman 663 Self-Contained Filterbox Dust Extractor

Comdel CPS-500 CLF-1000 Combo RF Power Generator 1500W

Force10 LC-EB-10GEL-2Y 2-Port 10GBE LAN/PHY Line Card

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Force10 LC-EC-10GEW-1Y 1-Port 10GBE WAN/PHY Line Card

Force10 LC-EC-1GEFLX-12?P 12-Port Gigabit SPF Line Card

Force10 LC-EB-10GEL-1Y 1-Port 10GBE 10km LAN/PHY Card

Force10 LC-ED3-10GEL-1Y 1-Port 10-Gigabit LAN/PHY Card
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TermoTek P407 Recirculating Laser Liquid Chiller P400

Veeco MS-17AM Manual Vacuum Leak Detector w/Indicator

Perkin Elmer Applied Biosystems 7700 Sequence Detector

MovinCool Office Pro 12 2Speed Portable Air Conditioner

專(zhuān)業(yè)銷(xiāo)售進(jìn)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(guó)內(nèi)實(shí)力庫(kù)存商家


選擇深圳長(zhǎng)欣，選擇放心，售后無(wú)憂大量現(xiàn)貨，當(dāng)天順豐發(fā)貨！
主營(yíng)：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(mén)子、摩托羅拉、GE發(fā)那科、安川、博世力士樂(lè)，ACSO，力士樂(lè)等各大品牌的DCS系統(tǒng)配件，機(jī)器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗(yàn)。
1、先通讀一遍“系統(tǒng)手冊(cè)”（不管能不能看懂，先了解個(gè)大概，以便學(xué)習(xí)編程時(shí)查找）；
2、由位控邏輯入手，逐漸增加定時(shí)、計(jì)數(shù)等條件，把或、與、非關(guān)系理順；
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實(shí)數(shù)運(yùn)算、類(lèi)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(gè)物理回路驗(yàn)證，比如變頻器+電機(jī)+測(cè)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(shí)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(jī)器人配件DSQC系列和Motorola MVME系列，GE 卡件 模塊 驅(qū)動(dòng)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(xué)會(huì)一種至于其它的學(xué)習(xí)起來(lái)也就簡(jiǎn)單了。

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