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 DCS的概念         
  集散控制系统（Distributed Control System）亦称分布式控制系统（简称DCS），是结合多种*技术而形成的，对生产过程进行集中监测、操作、管理和分散控制的一种控制技术，是随着现代大型工业生产自动化的不断发展和过程控制要求的日益复杂应运而生的一种综合控制系统，是完成过程控制、过程管理的现代化设备。   幻灯片3           国外称集散控制系统是4C 技术的产物。这4C 就是指控制技术（Control）、计算机技术（Computer）、通信技术（Communication）、和CRT（Cathode Ray Tube）技术。DCS既不同于分散的仪表控制，又不同于集中式计算机控制系统，是4C 技术相互渗透发展而产生的 。
 其特点是采用模块化、标准化设计，数据通信向标准化迁移，板级模块化，单元结 构化，使之具有更强适应性和可扩充性；新开发的多功能过程控制站、增强型操作站采用了16位CPU及高分辨率CRT技术；通信系统已采用局域网络（从主从式的星形变为总线网络或环网通信），使系统通信范围扩大，同时数据传输速率也大大提高；控制功能更加完善，它能实现过程控制、数据采集、顺序控制和批量控制功能。  其基本结构由六部分组成，即局域网络、多功能现场控制站、增强型操作站、主计算机、网络连接器和系统管理站等。

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OneAccess SHDSL Router 1423 SHDSL-P2 2ETH-4Pnew

Coulter Model ZB sold AS-IS

MJ RESEARCH PTC-100 PROGRAMMABLE PELTIER THERMAL CONTROLLER SELL AS APARTS AS-IS

15 pcs Glary Power COQ48050 N00M-13AMA Nr 201 07 327.7 NEW 

BIOPAC ECG100B 30 DAY WARRANTY

AMERSHAM 18-1014-43 CONTROL UNIT 

AMERSHAM 18-1014-45 RANGE UNIT 

BIOPAC UIM100A 30 DAY WARRANTY

ACS Motion Control System HSSI-IO16-S Expansion Module 

Stanford Research PS325 sold AS-IS

5 Omron MY4 24VDC with Base

7 pcs ACTION INSTRUMENTS G108-0001 LIMIT ALARM 30V INPUT MODULE ULTRA SLIMPAK 

5 PCS Omron TIMER H3CR-A8

3 DWYER PRESSURE TRANSMITTER 616-5 30 DAY WARRANTY

FUJI ELECTRIC FVR1 5E9S-2 INVERTER 30 DAY WARRANTY

Biometra T-Gradient Thermoblock sold AS-IS

ACS MOTIONCONTROL SPIIPLUS DDM3U-2 320V 20A SB-14232-002/LF

Mellanox MTLP23108-CE128B PCIx Dual Port Infiniband Network Controller Card

Moritex LED Power Supply MLEP-A035W1LR 100-240V 50/60Hz

AMETEK PITTMAN 24VDC 500CPR Motor 14204C683 30 DAY WARRANTY

031-01095-001 Board NEW 30 DAY WARRANTY

ACS MOTIONCONTROL SPIIPLUS 3U-HP-8-M6-MC4U SB-14520-000/LF 

4 NEW Keyence PZ2-51 PZ2 Series Micro-Optical Photoelectric Sensor 

3 ITEMS Tektronix 5A21N W/ 5D10 WAVEFORM W/  Digitizer sold AS-IS

MITSUBISHI 100-240VAC 50VA PROGRAMMABLE CONTROLER FXON-40MR-ES/UL

Cisco Catalyst 2960 48-Port WS-C2960-48TC-S Switch SN: FCQ1536Y3R4

SOLID STATE CLEANSTREAM 10-11489 30 DAY WARRANTY

EDWARDS ACTIVE GAUGE CONTROLLER D38661000 30 DAY WARRANTY

ACS Tech80 SPiiPlus CM-2-A-E-M2-H4-SC Digital Current Loop 

ACS Tech80 SPiiPlus SP+CM2BEM2H4-XY Digital Current Loop 

Eppendorf Centrifuge 5417R with ERROR sold AS-IS

samsung brain spc-300 psu-300t w/cpu-300a w/ in dc24v x 2 w/ out relay 

TECNOTION B.V LINEAR MOTOR FU 4500N TB30S NEW 

AMERICAN MEGATRENDS MERL IN DP SERIES 750 REV C 30 DAY WARRANTY

CISCO C7200-VSA V01 FOR 7200 SERIES ROUTER 73-10220-05 B1 PULLED FROM 7206VXR

ACS Tech80 SPiiPlus CM-2-A-E-M2-SC Digital Current Loop 

BIOPAC RSP100B 30 DAY WARRANTY

6 pcs RENAISSANCE 3G2NDM - 700 Mhz Circulator NEW 

Molecular Devices SpectraMax 190 Microplate Reader Spectrophotometer Spect AS-IS

2PCS CONTINENTAL INVENSYS RVD3/6V75T/L 24 to 660 VAC

4 PCS Nemic Lambda EWS15-12 Power Supply 12V 1.4A NEW 

4 PCS Omron E5CS-R1KJX-F Temperature Controller

Parker PIO-337 WITH LOT OF PIO-600 30 DAY WARRANTY

SBC P635V-AAF7 P-III 850 512M MEMORY 30 DAY WARRANTY

Yaskawa VS mini V7  CIMR-V7AA21P5 SPEC:750016 30 DAY WARRANTY

Wescor Vapro 5520 Vapor Pressure Osmometer WITH ERROR sold AS-IS

Festo Electric Valve Terminal Module CPV10-GE-DN2-8 525630 CPV10-V1 ASY 

Cisco Catalyst 2960 48-Port WS-C2960-48TC-S Switch SN: FCQ1536Y44W

MKS Instruments 124AA-01000BB USED WORKING WITH  30 DAY WARRANTY

Banner Engineering SFCDT-4A1 PICO-GUARD Controller

SUPERMICRO PWS-0027/SP402-2C 400WATTS 2U POWER SUPPLY  30 DAY WARRANTY

2 Roll LAMINAR Aqueous Resist UD930 NEW AS-IS

SMC GATE VALVE XGT-0402AWM-X16 REV.7 PART NO.02-121427-00 sold AS-IS

ACS Tech80 SPiiPlus CM-2-A-R-M2-H2-SC Digital Current Loop 

YASKAWA CIMR-V7AA20P4 VS mini DRIVE V7 20P40

MRV OS910 AC-2 SN: 1052000690 SOLD AS-IS

Parker Aries Servo Driver CP AR-04AE-13574 30 DAY WARRANTY

15 pcs DELTA Q48SL2R525NRFA INPUT 36V 75V OUTPUT 2.5V  NEW 

CISCO ASTEC AC POWER SUPPLY AA23250 34-0687-04 B0 For 7200 series VXR Router

MRV OS9000 24GIGE TRI MODE 100FX/1000FX SFP/RJ45 + DUAL 10GE XFP 9024M-210GX NEW

VACUVANE VSC0140-1MT850-6 BLOWER   30 DAY WARRANTY

CISCO NETWORK PROCESSING ENGINE G2 NPE-G2 V03 73-10329-04 D0 PULLED FROM 7206VXR

10pcs FESTO VL-5/2-1/8-B, Pneumatic Valve

Mitsubishi FR-E520-1.5K-14 30 DAY WARRANTY

ADVANCE POWER LS22 7DE NS700048/3MX 30 DAY WARRANTY

Parker acr 9000 6 AXIS 9000P3U6M0 30 DAY WARRANTY

GE FANUC IC697PCM711W COPROCESSOR IC697PCM711  NEW 30 DAY WARRANTY

8 TAMRON 23FM75 1:3.9 F=75mm CCTV LENS

  ACT 8 SMC Thermo-Con Controller INR-244-218E W/ Keyboard 30 DAY WARRANTY

NetApp POWER SUPPLY TDPS-750AB A REV 00F PN:114-00065 30 DAY WARRANTY

ACS PCM3U-320V/48V-0.7/8KW 

Parker Aries Servo Driver CP AR-13AE-13574 30 DAY WARRANTY

  ACT 8 SMC Thermo-Con INR-244-216V Power Supply DAY WARRANTY

NIKON PRECISION - 4B028-878 - SP1178W - Pneumatic Control Box 30 DAY WARRANTY

APPLIED MATERIALS AMAT RF MATCH CVD - PN: 0010-09750W sold AS-IS

AMAT 0010-09337 P5000 CVD 200mm Lamp Module sold AS-IS

  ACT 8 SMC Thermo-Con INR-244-217A Power Supply DAY WARRANTY

NISSO NSE 1006CR HOT ACID PUMP CONTROLLER USED

2 PCS Riken Keiki OX-571A Oxygen Module 0-25% Volume Range

UNIT 7300 UFC-7301 10L N2 316830-001 Mass Flow Controller

4 TOKYO KEISO FLOWMETER SFC-250/A 739-78395 30 DAY WARRANTY

YASKAWA AC SERVO MOTOR SGMPH-04A1A4C  W/ THOMSON MICRON TRUE 90 SIZE 23 GEARBOX 

  ACT 8 Thermo-con INR-244-216U DAY WARRANTY

TB WOOD'S WFC2001-0CHT AC INVERTER 30 DAY WARRANTY

TOSHIBA LF420 ELECTROMAGNETIC REMOTE MOUNT FLOWMETER ABB211ABB USED

SPECTRUM DIGITAL DAVINCI TMS320DM6437 EVM PCI ASSY 509100

ACT TEMPERATURE & HUMIDITY PANEL W/ RCK REX-F9000 W/ KSI/F-16C W/ KSCPU-06C

  ACT 8 SMC Thermo-Con INR-244-217B Power Supply DAY WARRANTY

Mitsubishi Electric FX2N-128MR-ES/UL PLC Programmable Controller W/ FX2N-4AD

SOLID STATE COOLING SYSTEM SWITCHBACK 6600 CE-F50PJ 30 DAY WARRANTY