描述
P-HA-RPS-CH100000
从应用对象的规模上来说。
PLC一般应用在小型自控场所，比如设备的控制或少量的模拟量的控制及联锁，而大型的应用一般都是DCS。当然，这个概念不太准确，但很直观，习惯上我们把大于600点的系统称为DCS，小于这个规模叫做PLC。我们的热泵及QCS、横向产品配套的控制系统一般就是称为PLC。
说了这么多PLC与DCS的区别，但我们应该认识到，PLC与DCS发展到今天，事实上都在向彼此靠拢，严格的说，现在的PLC与DCS已经不能一刀切开，很多时候之间的概念已经模糊了。现在，我们来讨论一下彼此的相同（似）之处。
1、从功能来说。
PLC已经具备了模拟量的控制功能，有的PLC系统模拟量处理能力甚至还相当强大，比如西门子的S7 400、AB 的Control Logix 和施耐德的Quantum 系统。而DCS也具备相当强劲的逻辑处理能力，比如我们在AC800F上实现了一切我们可能使用的工艺联锁和设备的联动启停。
2、从系统结构来说。
PLC与DCS的基本结构是一样的。PLC发展到今天，已经全面移植到计算机系统控制上了，传统的编程器早就被淘汰。小型应用的PLC一般使用触摸屏，大规模应用的PLC全面使用计算机系统。和DCS一样，控制器与IO站使用现场总线（一般都是基于RS485或RS232异步串口通讯协议的总线方式），控制器与计算机之间如果没有扩展的要求，也就是说只使用一台计算机的情况下，也会使用这个总线通讯。但如果有不止一台的计算机使用，系统结构就会和DCS一样，上位机平台使用以太网结构。这是PLC大型化后和DCS概念模糊的原因之一。
网。
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主营DCS系统配件
机器人系统配件
大型伺服系统配件
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Air Products Manifold, Main SG 100 1491-3113-1A
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White Knight Pump AP300
5″ GSD DISK, 125mm Wafer Process, 1183060
Allen-Bradley 10″ Panel Color Touchscreen 2711-T10C16
Air Products Chemguard Controller 839-607436
White Knight Pump AP200
Kensington, Robot WFH3C-TT/SR/HS
Air Products 2Cyl AXO-AP1510SM-NH3 807-470626502A
Edwards QDP80 Dry Pump
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Air Products 2Cyl AXO-AP1510SHM-HBr,HCl 46635
Kensington, Pre-aligner and Controller
LAM Variable Gap Drive
SEIKO-SEIKI SCU-300H TURBO MOLECULAR PUMP CONTROLLER
Thermo Polysonics Ultrasonic Flowmeter KC-DCT1088
LAM Inner Gate Assembly (Fully refurbished with order)
One (1) As-Is Variable Gap Drive for a LAM9600
Used CTI CryoTorr 8F, 8033295 w/ Gate Valve
DATA INSTRUMENTS DATA ACQUISITION SYSTEM, DI-500-16-P
White Knight AP200 Rebuild Kit RBAP200-1
SEIKO-SEIKI TURBO MOLECULAR PUMP STP-300H
Det-Tronics Dual Spectrum IR flame detector PM-5MPX
USHIO HB-251B/A-AF/HB-25103BY Lamp Housing & Controller
Allen-Bradley SLC 5/05 16K user memory KC-1747-L551
FALA Industries Centura HP Robot PM Kit H22589
HUBER UNIPUMP II, NEW IN BOX
Infineion Technologies Valve Control Box KC-VCB
AMAT CTI Cryogenics Cryopump w/ACM, 8116081G006
SMC Solenoid Pneumatic Harness, Right, CG400 122972
SMC Solenoid Pneumatic Harness, Left, CG400 122935
K-PATENTS SENSOR W/10-32 PORT FOR N2 PURGE
Air Products Pigtail for B2H6/N2 cabinet 809-470790604A
K-PATENTS INDICATING TRANSMITTER, IT-RU-GP
KLA Instruments Mass Memory PCB 710-658051-20 REV F0
KLA Instruments Corner Turn PCB 710-655651-20
ESI 100uL Nebulizer ES-2002
GREEN TWEED O-RING, ALD CHEMRAZ, 18.955 ID X 0.275 W
HP Semiconductor Parametric Analyzer 4145A
MKS THROTTLING VALVE, 656A-15267
Applied Materials ASSEMBLY, ESC POWER SUPPLY 0010-40239
DNS Robot Assembly For Model 60A, 150mm
LEYBOLD, CHEMICAL FILTER, NEW, CFS40-65
CERADYNE HEATER ASSEMBLY 200MM TF-101-9-1
Swagelok Process out stick- 809-470313915A
TEL Baffle, Quartz, 1B05-200052-13
INOVA STAGE SHIELD, CLAMPLESS, CLEANED 17-112194-00
Olympus Microscope
CTI Cryogenic Cryo-Torr High Vacuum Pump
SEMITOOL/ FILTER PUMP INDUSTRIES FILTER CHAMBER
MKS Baratron Capacitance Manometer 626A-12319
Air Products Monochrome Display Kit 287-607997
LEICA STEREOZOOM 4
Pentagon Tech Quartz, Bell Jar, Q15-0130
TEL T-CDFVN VOS-40-014 0 IS DIF DS 1187-072378-14
LAM Kit, crtsy, cal, te 843-022046-001
LAM KIT, CRTSY, REMOVAL, TUN ESC 843-02246-002
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SIEMENS 6ES5242-1AA32 SIMATIC S5
Ushio Control Unit HB-25103BY-C
ASYST INDEXER MASTER CONTROLLER
CPU, PROG. EPROM DC:5/99855-010409-007
LAM RING FOCUS, THIN EDGE, 8′ 4428 716-011638-008
DYNATRONIX PROGRAMABLE PULSE POWER SUPPLY, 104/1-1-3
Burks Close Coupled Centrifugal Pump
Semitool 50 Wafer Carrierless Rotor
Semitool 50 Wafer Carrierless Rotor
SIMCO Pulse Flow Controller Ionization Kit, 10 Chamber
LEYBOLD ARW6000 ABSORBER
ESI PFA Pure Chamber & PFA cap ES-2100-5472
Air Products Plis Interface Box 0010-30002
Cyonics, LASER POWER SUPPLY 120VAC 2.4AMPS, 2114-20SLK
Green Tweed HDP, L-Motion, Bonded SV, 5641A-1282-SC639
Olympus BH Microscope
PALL Megaplast G2 w/Chemraz O-Rings PFGF1P12H12
ENVIRCO PERFORMANCE MACH 10 HEPA FILTER, 69506-018
MRC Eclipse Control Board PCB 884-13-000
PALL TRINITY FILTER HOUSING 25UPS1G, 4HD4886-2316
BRUSHLESS DC MOTOR SERVO, RATIO 1/80 T61105-59
EUROTHERM POWER SUPPLY, 661/01/00
NT INTERNATIONAL TRANSDUCER ACID 1/2 FLR 0-60 PSI 4210-
LAM ASSY, PCB, ADIO – AO, 810-017031-004
Swagelok Process out stick 809-470314915A
APPLIED MATERIALS ION / TC BOX CONTROLLER, 01-81911-00
Leitz Wetzlar PL Fluotar 50x/0.85 567013
GRANITE MICROSYSTEMS COMPUTER, 1 GHZ, 256M RAM
FURON VALVE 3-WAY PNEUMATIC MOB3-122HP
Entegris 1″ PFA Hand Valve, DS16-2ML-16F
Entegris Pressure Transducer 41501-110G-F04-B12-A-S3
Semitool 200MM End Effector Stiffen Style
SIMCO Ionization Kit 4009012
SIMCO Ionization Kit 4008899
Fortrend Model F8225 Wafer Transfer Unit
Microvision MVT 1080 Wafer Inspection Station, used
Acopian DC Power Supply A75HT560 MRC Eclipse Star
DNS Hot Plate Assembly For Model 60A, 150mm
CUTLER-HAMMER CIRCUIT BREAKER, HFD3175L
D SQUARED TRANSFORMER, 45T3HFI5NLP
BLOWER In Great Condition
Front End Load Port
MICROPUMP HEAD L15368, 2170/56C
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USHIO UV LAMP SUV-2011NI
White Knight AP-200 Pump Rebuild Tool Set KC-AP20-170
Schumacher ELOI Overlay, 1495-3174
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FUJI CIRCUIT BREAKER 150A 3PL GFI ELB EG203B
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Mykrolis Stainless Steel Filter Housing KC-YY55P8000
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NESLAB CHILLER, MODEL FTC-350A
Air Products Cable Assembly Spill Detector 2103-0397
Applied Materials 0020-89990
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NT INTERNATIONAL TRANSDUCER PRESSURE FLOW THRU 3/4″
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MASTR III AUXILIARY RECEIVER
FLUKE 8500A DIGITAL MULTIMETER
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Kalrez Rear Bowl Seal 4079
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SensArray Corporation K-TYPE TC WAFER REFLOW 1630A-8-00
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KLA Instruments Processor PCB 710-658046-00
专业销售进口DCS PLC系统备件模块
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