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3D04153G05優勢來襲

3D04153G05優勢來襲

控制處理能力的另一個指標，運算速度，在人們印象當中PLC也比DCS要快很多。從某一個角度來看，情況也的確如此，PLC執行邏輯運算的效率很高，執行1K邏輯程序不到1毫秒，其控制周期(以DI輸入直接送DO輸出為例)可以控制在50ms以內;而DCS在處理邏輯運算和模擬運算時采用相同的方式，其控制周期往往在100ms以上。我們用PID算法來比較時，可以發現PLC執行一個PID運算在幾個毫秒，而NETWORK6000+DCS的T2550控制器解算一個PID也需要1個毫秒，這說明PLC和DCS和實際運算能力是相當的,某此型號的DCS控制器甚至更強。而控制周期上的差異主要與控制器的調度設計有關。大型PLC往往使用副CPU來完成模擬量的運算，主CPU高速地完成開關量運算，所以即使模擬運算速度一般，在開關量控制方面的速度表現還是非常優秀的。而DCS以同樣的速度來處理開關量和模擬量運算，控制周期的指標確實不理想。新型的DCS控制器學習了大型PLC的設計，在控制周期方面的表現獲得了大幅度的提高。以NETWORK6000+DCS的T2550控制器為例。控制器可以設置四個不同優先級的任務，zui小運算周期可以設為10ms，配合高速I/O卡件，控制周期能夠達到15~20ms。而模擬量運算設置在其它周期較長的任務中。

Watlow Anafaze PPC-TB50 Open Type Process Control Board

TDK LAMBDA GENESYS Power Supply P/N: 005071005

Keyence LV-21 Laser Sensor Amplifier

Galil Motion Controls PC Mate-10 Servo Amplifier/Power Supply

BOC Edwards GVI 063 P Pneumatic Gate Valve

Brooks Automation Wafer Pre-Aligner 00120182 Robot

Reid Ashman Granite RA16208-01 Rev. C Teach Pendant

Brooks Robot Teach Pendant 112033

Brooks Robot Teach Pendant 112910

SMC NASS300-N02 Flow Control Valve

Pfeiffer Sealing Gas Valve PM Z01 313 24V DC

Woodward 5437-672 Netcon Field Terminal Module

Omega Engineering Field Configurable Model TX-71 Lot of 2

Parker Compumotor 310-4A-LC-WD2S-?8

Barber Colman Temperature Controller 2204E

Samsung LTP700WV-F01 Display Panel 7" TFT 800x480 WVGA

CTI-Cryogenics 8112578G001 Roughing Valve

Eurotherm Chessell 750 /011240// Monitor Indicator

Edmund Scientific Co. 75mm F4 Lens

VERTEQ Matching Transformer P/N: 1069347.3 Transducer P/N: 1073728.1.1

PIAB Vacuum Pump M25B6-EN

CTI-Cryogenics TC Gage-VCR P/N: 8112105

Delta Tau UMAC Turbo 2-Axis 603398-107 603276-100

Omron E2E-CR8C2 Proximity Switch NEW

Harmonic Drive Systems Gear 14-50-067968

Electroswitch 10 position Switch 205 0015 NEW

APTech Mixing Valve AP3650/3000S DVD22 FV4 FV4 FV4

Diaphragm Vacuum Pump 949-9452 Vacuubrand

PCB PIEZOTRONICS Power Supply 482A06

Heidenhain LS 703 Linear Encoder

Weir SMS 50/5 Power Supply Serial #645231

Swagelok 6LVV-P2V222P1-C?C Diaphragm Valve

Opto 22 PB4R Mounting Rack New

NM Laser Products LST18 Output Aperture Laser

SIEMENS 5SX2 2 AMP BREAKER

Koganei GSI-50-DL Pressure Gauge with built in switch

Tektronix OTS91L1 Transmitter Receiver Optical Test

Schneider Electric emecanique RE8TA41BU Timer

Copley Controls 07-0133 Rev. G Board Lot of 8 Drive Amplifier

Hewlett Packard 83300A Remote Interface

Emcore Y1832-113-001A Fiber Optic Transceiver Lot of 2

Delta Tau UMAC Turbo 2-Axis 603398-109 & 603276-100

Bimba M-0072.35-DXPKT?2 Pneumatic Air Cylinder NEW

Dolan-Jenner Industries Fiber-Lite High Intensity Illuminator Series 180

Brooks Automation Robot Power Supply Controller 155467

BOECKELER INSTRUMENTS MICROCODE II Model 2-MR

Omron DRT1-ID16T Remote Terminal 24V DC

SMC VQ1141-5L0 Lot of 3 Solenoid Valves NEW

Pfeiffer Vacuum PM 051 104-T Turbo Pump Connection Cable 5M **NEW**

Parker Bayside RS60-020-040SH Right Angle Motor Compumotor

Burkert 0330 C 5/64 FPM BR NPT1/4 Solenoid Valve

Advanced Motion Controls 25A8M Brush Type PWM Servo Amplifier AMP

Potter & Brumfield P30P42A12P1 Contactor 24V 50/60Hz

Brooks Robot Teach Pendant 112388

Global Specialties Logic Monitor LM-1 w/ Manual

Delta Tau Data Systems PMAC-2 ACC8E Assy# 602469-103

National Instruments P/N: 778848-01 NI Analog Waveform Editor NEW

Rorze RD-023MS 2P Micro Step Driver

Frequency Devices 90IP Instrumentation Platform 90PF

Sony Compact Processor PCS-P150 Sony Video Conference Camera

SMC I-J010B Rod Eye **NEW** Lot of 10

SMC Solenoid Valves VX2340J Lot of 2 NEW

SMC Valve Bank (6)SQ1231N-5-C4 & (1) SQ1131NY-5-C4

ABB S 201 UP-K 13A Circuit Breaker

Transistorized Power Supply Model 5015

Cosel R25A-5 Power Supply

WINNOV PCBA 5000 15 Video Editing Card

SONY Color Video Printer Controller Keypad

Sierra Side Trak III Mass Flow Controller N2

Varian 801 MILLITORR tc vacuum gauge 115V 60 Freq. 10W

Parker Fluid Control Solenoid 24-50/60 11w

Unit Celerity Mass Flow Controller UFC-8162 5cc PH3

Pfeiffer TCP 121 TCP121A ModNr: PM C01 497 A Vacuum Controller

Perkin-Elmer P/N: 7438-4010-1 Type I E.F.L. 12" f/4 4 ? x 4 ? Aerial Lens

SMC XSA3-43V-5G High Vacuum Valve New

CH Products M11F0A1P Joystick NEW

EUROMEX Illuminator EK-1 Fiber Optic Light Source LE.5210-110

VAT 362320/0048 A-1099835 Vacuum Gate Valve

Toshiba EX10*MA131 MFG. NO. M1326 Programmable Controller NIB

Wasco Pressure Switch P110-55W3B-X/12?77 80PSIG

Juniper Ethernet 1000Base-SX 710-000991 Module

BrooksNet DN 108378 Module DeviceNet

Opto 22 Term 1 Bus Termination Card NIB

Delta Tau 2/4 Axis Interface ACC28E 603404-105 & 603406-100

CTI-Cryogenics Module 8186088G001

SMC SY3140-5L0ZE Solenoid Valves Lot of 2

LAAKMANN ELECTRO-OPTICS, Inc. Laser Power Supply

Genesis Vacuum Technologies 111850 Teach Pendant

Bently Nevada Dual Velocity Monitor 3300/26 RMS Motified Screen Assy: 87669-01C

Asahi Seiko LOT OF 3 Coin Hopper

National Instruments 181830E-01 AT-GPIB/TNT Interface Card *UNUSED* Lot of 2

Granville-Phill?ips Mini-Convectron Model 275 Cat: 275806-EU

Banner GEO PresensePLUS P4 GEO Vision Camera P4GR

Omron Photoelectric Sensor Switch E3T-FD14 New

Fanuc PMC Cassette A A02B-0094-C101

Clarostat/Honey?well 308NPC250 Potentiometer NIB

Clarostat/Honey?well 308NPC250 Potentiometer NIB

Delta Tau UMAC Turbo 2-Axis Analog 603404-104

Cole-Parmer Masterflex Digi-Staltic Pump System Controller M/N: 77310-02

APTech Valve AP4540S 2PW FV4 FV4 125psi New

GE 269 Plus Motor Management Relay Model:269PLUS-1?00P-HI

Varian Remote Pump Module Controller 6A2

Brooks Automation Series 8 Robot Controller 108549

Fanuc Pulse Generator A860-0201-T002

Banner LEDRA62X62W SENSOR NEW

SMC MXU10-20 Pneumatic Table Slide

SCHNEIDER ELECTRIC LRDO6 OVERLOAD RELAY “NIB"

Swagelok Stainless Steel Elbow Male 3/8 TX1 ? ISO Lot of 4 Fittings** NEW**

SAM Mass Flow Controller 1480 N2 NEW

Zeltex Z50570 for MTS Systems 14 Bit ADC Module

MKS 728A02TGA2FA Baratron Pressure Transducer 2Torr

Allen Bradley SLC 500 Output Module 1746-OA16 C

Sanyo Denki BL Super PU Servo Amp. PU0A015EM11S00-?EAS1

Parker Veriflo 456000583 Stainless Steel Regulator Valve Model: 95930W2PTS

Brooks Instruments Model IPT122 Celerity 2" Pressure Transmitter NEW

Opticon NFT2135/002R Barcode Reader Scanner

SMC Pneumatic Cylinder US31552 250psi 1.70 MPa

Granville Phillips Micro-Ion Module 354006-YM-T w/extra Filament

SMC NVZ3240 Solenoid Valve 0.1~0.7 MPa

Proteus Industries 9205SS24P2 Flow Meter

D-Link DCS-2000 Audio Internet Camera

Bausch & Lomb Microscope Polaroid Camera Adapter 3x-10x

M-Unit Signal Transmitter SV-06-D w/Omron 8PFA

Masimo Signal Extraction Pulse CO-Oximeter Monitor Station Radical-7 Extra Face

Pacific Scientific Laser Driver Module 9020C LED Description

SUNX FX-301 Digital Fiber Optic Sensor

Thermo Scientific Orion3 Star PH Benchtop Meter

Keyence PJ-V21 Safety Light Curtain NIB

DMT Division of JAY-EL Products M4-426J30ILLT 12-15 VDC

Sensopart FMS 12-165 Sensor Infrared

Mykrolis Chambergard FV-100D Diffuser Load Lock Filter Diffuser NEW

SMC High Vacuum Valve XLA-40-X1068 NEW

Ormec SAC-DE02B2/1 DE Series Servo Drive

Keyence FU-59 Fiber Optic Sensor

Phoenix Contact Type UM108-FE Terminal Block w/ 32 Omron G2R-1-S Relays

Brooks Automation Dual Axis Linear Robot 015-0800-01

Fanuc ABS Pulse Coder Unit Type A860-0324-T001 2000P

Honeywell UDC5000 Ultra-Pro Temperature Controller

Fujikin FCS Flow Controller FCS-4WS-F1L#A N2

SMC SOLENOID VALVE MODEL VZ2150

Flex-Core CTA114 Signal Conditioner

Proteus Industries 0504SA4 Flow Sensor Switch NEW

SMC SY3140-5L0Z Solenoid Valves Lot of 2

CTI Cryogenics Stainless Steel Braid Hose 5400-S5-12C