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　我國PLC技術(shù)在中小型產(chǎn)品方面已取得較不不錯的成績，但是在高端產(chǎn)品領(lǐng)域則面臨嚴重的不足，這也是我國裝備制造業(yè)的通病。國內(nèi)PLC廠商能夠確切了解中國用戶的需求，并適時地根據(jù)中國用戶的要求開發(fā)、生產(chǎn)適銷對路的PLC產(chǎn)品。例如，和利時公司具有12年的控制類產(chǎn)品生產(chǎn)、銷售及工程實施經(jīng)驗，積累了大量客戶資源，了解國內(nèi)不同行業(yè)、不同地區(qū)、不同所有制用戶的真正需求，因此在產(chǎn)品設(shè)計時可以充分考慮中國用戶的需求和使用習(xí)慣，產(chǎn)品的針對性和易用性更強。
　　由于是完全本地化的研發(fā)、生產(chǎn)、銷售和技術(shù)支持，國內(nèi)PLC廠商可以根據(jù)用戶的特殊需求定制個性化產(chǎn)品。在實際工作中，有些用戶希望在一個PLC模塊上同時具有開關(guān)量輸入、開關(guān)量輸出、模擬量輸入和模擬量輸出等功能，同時輸出既要有繼電器的，還要有晶體管的。這種一般通用PLC不能提供的特殊需求，國內(nèi)PLC廠商可以快速為用戶專門定制。跨國公司的中國用戶和中國雇員很難迅速將這種特殊需求直接反饋到國外的生產(chǎn)廠家，難以促成產(chǎn)品的改進。
　　由于是完全本地化的研發(fā)、生產(chǎn)、銷售和技術(shù)支持，國內(nèi)PLC廠商具有較大的成本優(yōu)勢，這種成本優(yōu)勢直接轉(zhuǎn)變?yōu)楫a(chǎn)品價格優(yōu)勢。國內(nèi)PLC廠商的服務(wù)由公司相關(guān)人員去實施，PLC生產(chǎn)廠商可以直接面向最終用戶。由于公司技術(shù)人員充分了解自己的產(chǎn)品，能夠迅速解決實際應(yīng)用中發(fā)現(xiàn)的問題，因而能顯著提高服務(wù)水平和服務(wù)質(zhì)量。另外，國內(nèi)PLC廠商可以在PLC的售前、售中和售后中為用戶提供免費增值服務(wù)。例如，面對眾多的中小用戶，和利時公司開展了免費培訓(xùn)和免費方案設(shè)計服務(wù)，得到了廣大用戶的一致好評。
　　由于市場競爭激烈，PLC廠商必須擴大產(chǎn)品線，以維持競爭優(yōu)勢，過去外商多以大型PLC為主，由于企業(yè)規(guī)模大產(chǎn)品線也完整，再加上大型自動化架構(gòu)都必須以專案方式進行，除了產(chǎn)品品質(zhì)外，對設(shè)備廠商的規(guī)模也有一定要求，因此臺灣廠商難以跨入此一領(lǐng)域，近年來外商進一步將產(chǎn)品線延伸至中小型機臺，對臺廠造成部份影響，不過在仍保有價格優(yōu)勢的情況下，臺廠在此的地位仍未被動搖，至于未來發(fā)展，仍有待觀察，以下盤點下目前國內(nèi)的PLC企業(yè)和發(fā)展現(xiàn)狀。

Agilent N5182A 250 kHz-6 GHz MXG Vector Signal Generator Opt 506,UNZ

Agilent / HP 16380A Standard Air Capacitor Set, 1pF to 1000pF

Agilent N5230A 10 MHz-20 GHz PNA-L Network Analyzer Opt 080,225,F20,1E1,014

ABB ACS60101205000B1200000

Agilent Z5623A-H08

Aeroflex PN9000/PN9480/PN9410/PN9450/PN9342

Agilent two 85133-60017 0.6 (m) FLEXIBLE TEST PORT FREQ:DC-50G Cable

Agilent HP 8920B RF Communications Test Set

Agilent Wirescope 350 Cat5 Cat5e Cable Certifier

Agilent 16196A DC-3GHz Parallel Electrode SMD TestFixture

ABB 3HAC10555-1 IRB2400 M2000 Robot Axis 4 & 6 Servo Motor with Pinion -

Agilent HP E4419A Dual-Channel, Programmable Power Meter calibrated

Aeroflex IFR 2944B Option 8, 27 & 32 Service Monitor W/ Microphone & Antenna

Agilent N5302A Portable 2-S Chassis - Component of E2960B Protocol Analyzer

Agilent / HP 8563EC -007 Portable Spectrum Analyzer with Calibration

Agilent/HP E4404B ESA-E Spectrum Analyzer

Agilent 4194A

ABB ACH501-050-4-00P2 ACH500 VARIABLE TORQUE AC 50HP 480V-AC MOTOR DRIVE B228004

Agilent Infiniium 54855A 6 GHz Digital Oscilloscope with 7 GHz Probe System

Agilent - HP 3582A SPECTRUM ANALYZER

Agilent PREMIUM E4438C-506-UNJ Signal Generator - 250 kHz - 6 GHz

Agilent / HP E4981A Capacitance Meter with Options 001 & 600

ABB 2668 180-524/1 DSMB133 MEMORY MODULE BOARD CARD 62645

Agilent HP 8753ES 3GHz Network Analyzer

ABB ASEA BROWN PC BOARD BUS REPEATER SLAVE DSBC-173 57310001-KH/2 59802

Agilent N4418A

Agilent/HP 54855A 6Ghz 20GS/s w/opt. EZJIT Plus/Mem/High Speed Serial/eGUI/USB

Agilent 16950A /016 68ch 4GHz Timing/600M State 16MB Logic Analyzer Module

ABB 57275812 ANALOG INTERFACE BOARD AIO 86-8/4

AGILENT HP E7495A BASE STATION TEST SET EMC SPECTRUM ANALYZER 10MHZ TO 2.5GHZ

Aerotech ES14549-1 ALS20033-LTAS-NC ALS20045 linear motor driven x-y table

Agilent N8737A Power Supply, 60V, 55A, 3300W

Agilent / HP 8648D Signal Generator, 9 kHz to 4 GHz with Options 1E2 & 1E5

Agilent-HP E5515C-003-E1962B Communications Test Set

Agilent 53230A 350 MHz Universal Frequency Counter/Timer, 12 digits/s, 20 ps

ABB ACS501-041-3-00P2000 | 12mo | Free EU ping | Inc UK VAT

Agilent MSO6032A 300 MHz, 2 + 16 Ch Mixed Oscilloscop w/op8ML 8 Mpts Memory

AGILENT - HP E8241A 250 kHz TO 20 GHz PSG-L SERIES SIGNAL GENERATOR W/ OPTS

Agilent MSO6054A 500 MHz, 4 + 16 Ch Mixed Oscilloscop

Agilent - HP E8267C SIGNAL GENERATOR

Agilent U1067A-002 Acqiris Single-Channel, 1 GS/s DP110 High-Speed Digitizer

Agilent 1156A

ABB 3HAB-2236-1 Memory Module Board DSQC-321 WOW

Agilent HP DSO81204B 80000B Series Infiniium Oscilloscope w/ Cal and Accessories

Aeroflex 3035 Wideband RF Digitizer PXI module

Agilent N5182A /019/1EL/1ER/403/506/652/UNU/UNV MXG RF Signal Generator - N5162A

Agilent / HP 84814A Peak Power Sensor, 500 MHz to 40 GHz

Agilent/HP 8664A 001-003-004 High-Perbance Signal Generator, 3 GHz

Agilent 37718A -002-011-106-601

ABB 64513583 MAIN CIRC. INTERFACE NINT-71C SEALED

Agilent HP N4906A 3.6 Gb/s Bit Error Ratio Tester

AF-OLK52A-D-SC Power Meter / Source 850 1300 1310 1550

Agilent OmniBer 718A / 37718A W/OPT 002 012 106 200 ,210,601 UK6

Agilent / HP E4417A Power Meter 9 kHz - 110 GHz , Dual (EPM-P Series)

ABB 1000 KVA Dry-Type Transber 2400 V - 480/277 Volt

Agilent 66309D DC Source

ABB ACS800-U1-0060-5 INDUSTRIAL AC MOTOR VFD DRIVE 60HP 380-500 Volt 3 Phase

Agilent N2X N5603A 1-port 10Gb XR-2 Test Card (Ethernet LAN/ WAN XFP) w/

Agilent / HP 4396B Network/Spectrum Analyzer 30- + FRESH CAL

Agilent/ HP 83480A / 83485A w 034 Optical Plug In Module

Agilent 16756A

ABB 3HNE00313-1 S4C, S4C+ Robot Teach Pendant

Agilent HP E4437B 4 GHz Signal Generator with option UN8

Aeroflex IFR TCAS-201 Traffic Alert and Collision Avoidance Ramp Test Set

Agilent N5630A 10/100/1000 Electrical/Optical XS-2 Card

Agilent / HP 8594E -004-010-043-050-105 with TRACKING GENERATOR

Agilent/HP J6800A Network Analyzer

Agilent 4291A-001-002-1C2

ABB ACH550-UH--096A-4+K452 VFD 75 HP 460 VOLT 95 AMP

Agilent J2126A test set options 102 191

Agilent - HP 83711B Synth Generator

Agilent PREMIUM N6781A 2-Quadr. Source/Meas Unit for Battery Drain Analysis

Agilent / HP N4256A Amplifier Distortion Test Set

ABB 3BSE010535R1 SE02404280 PM645B (3BSF 010 535 R1 )

Agilent HP 8921A Cell Site Test Set

ABB AUTOMATION Machine Terminal REF542PLUS

Agilent N4694A

Agilent HP 8922E /001/005/006/ GSM Test Set

ABB AUTOMATION Machine Terminal REM543CM214AAAB, REF542PLUS

Agilent N4694A Electronic Calibration Module 10 MHz to 67 GHz, 1.85 mm, 2-port

Agilent / HP 8163A Lightwave Multimeter System w/ Cal &

Agilent/HP 83711B Synthesized CW Generator - 1-20 GHz, 83752B, 83712B

Agilent 1735A LAN Protocal Fibre Channel Module 4Gb/s

ABB 57520001GD1 NNB

Agilent HP Hewlett Packard 8752A opt 003/010 ( 3 Ghz) - Tested Good

Aetrium Bubble Detector with Foot Peddle Model#-6000

Agilent N8975AZ-K63

Agilent / HP 8753C Network Analyzer: 300 kHz - 3 GHz

AIMCO AUET/MTM Electronic Torque Tester

Agilent 54831B 600Mhz 4ch Infiniium Oscilloscope + Cal and 30

ABB ACS550-U1-157A-4 125 Hp 480V 3 phase AC general purpose drive

Agilent MSO8104A-002-007-009-640

Agilent / Hewlett-Packard 53132A Universal Counter Options 012 & 030

Agilent U2002A-100

Agilent 11793A Microwave Converter

ABB 3HAB8101-1/01C DSQC345A Servo Drive Unit

Agilent HP E4401B Spectrum Analyzer

Aeroflex IFR 1600S Service Monitor

Agilent N5230A PNA-L Network Analyzer, 2-ports, 300kHz - 6GHz (Opt.020)

Agilent / Hp 8509B Polarization Analyzer System

Agilent/HP 8753E 30 kHz-3 GHz Network Analyzer Opt 1D5

Agilent 37718C -001-012-601

ABB AC Drive VFD ACS800-U1-0060-5+D150 60 hp 50hp 3ph 380-500v 79A

Agilent HP Singlemode Fiber SmartProbe for WireScope 350 155 N2597A-040

AGIE AGIEMATIC CD SBC-08E Agie Nr. 667.244.9 add-on SBX-03 D SBX-05 with NPX-01A

Agilent Optical Measuring System 8163A, 81618A, 81623A and Tunable Laser 81689A

Agilent / HP E4433B - 100 - 101 - 1E5 - H99 - UN5 - UND 4GHz Signal Generator

ABB 15kV Advac Panel Cell Vacuum Circuit Breaker Medium Voltage 15 kV complete

Agilent HP 8722D Vector Network Analyzer

ABB AF750-30 Contactor 1200-00410

Agilent N4002A 10MHz-26.5GHz SNS Series Noise Source 3.5mm Connector

Agilent / HP 6675A 120 V, 18 AMP, Programmable Power Supply

Agilent/HP 37718A OC-48 Omniber

Agilent 16902A

ABB 418446880 Robot External Positioner 250R/500C Safety Module for S4 Controlle

Agilent HP E5062A 300 KHZ-3 GHZ ENA Series Network Analyzer with Options 015/150

Agilent 16902A Logic Analysis System (Mainframe only) Opt 014

ABB 5 KV Drawout Voltage Transber unit Advac DO MetalClad 40:1 PTG3-1-60-482F

Agilent HP E5071B /016/414/1E5/ Network Analyzer

Aeroflex-IFR-Marconi 2945A Communications Service Monitor

Agilent N7788BD Optical Component Analyzer Options 400/022/032

Agilent / HP 8644B Signal Generator, 252 kHz - 1030 MHz (2060 MHz)

Agilent-Agient 8340B

Agilent 4396B-010

ABB ACS 600 INVERTER UNIT AC DRIVE ACS60402106000B0000901

Agilent J7230A,SDH/SONET TEST SET

Agilent - HP 8665B SIGNAL GENERATOR

Agilent Technologies 6000 Series MSO6032A Mixed Signal Oscilloscope 300MHz

Agilent / HP U2001H 10MHz - 6GHz USB Power Sensor (-50dBm to +30dBm) CALIBRATED

ABB 3HAA0001-ACF IRB6000 Robot Servo Motor Axis 4 or 5 (complete with pinion)

Agilent HP 8970B Noise Meter

ABB BAILEY IMMFP12 SYMPHONY MULTI-FUNCTION PROCESSOR MODULE 5V 10W REV A 84832

Agilent N4903A -G13

Agilent / HP 83623A Synthesized Swept Signal Generator 20GHz w/opt 001, 004, 008

Agilent/HP 8564EC Spectrum Analyzer - 9 kHz to 40 GHz, with Mass Memory Module

Agilent 346C 10MHz-26.5GHz Noise Source 3.5mm

ABB 6008BZ10000C VIDEO MODULE PCB

Agilent HP N1921A 50mHz-18gHz wideband power sensor with opt. 105 epm p-series

AFL Fujikura Ultrasonic Cleaner USC-01A

Agilent N9039A

Agilent / HP 89410A Vector Signal Analyzer, DC - 10 MHz

Air Products 807-470790602A Gas Line Assembly PCV1A

Agilent 54846A 4-Channel, 2.25GHz 8GSa/s Infiniium Oscilloscope

ABB ACS601-0060-5-000B1200800

AGILENT N2216A VXI SCSI INTERFACE SCSI A SCSI B VXI BUS

Agilent / HP 41501B SMU Pulse Generator Epansion Unit FOR 4155X Series Test Set

Agilent Wirescope 350 Cat5E Cat6 Multimode Fiber Cable Certifier

Agilent 16442A Test Fixture for 4155 or 4156

ABB 3HAC2206-1 IRB2400 M2000 Robot Axis 2 Servo Motor with Pinion -

Agilent HP E4421A Signal Generator

Aeroflex IFR 2945B with option 8 & option 32 Communications Service

Agilent N5306A Protocol Analyzer for PCIe 1.0 and 2.0 - Key component of E2960B

Agilent / HP 8564EC Spectrum Analyzer 9 kHz-40 GHz Opt 0B0 30- + CAL

Agilent/HP E4432B/100/101/201/UN8/UND Signal Generator - 250 kHz to 3.0 GHz

Agilent 4263B 100Hz/1KHz/10KHz/100KHz LCR Meter w/op001

Agilent / HP 8564EC Spectrum Analyzer, 9 kHz to 40 GHz + Opt 007 - DIG FAST TIME

Agilent/HP E4436B 3 GHz Signal Generator

Agilent 4263B LCR Meter 100Hz-100kHz w/opt.001

ABB ACH550-UH-059A-4 3PH ADJUSTABLE FREQUENCY AC 25HP 480VAC MOTOR DRIVE B228543

AGILENT Infiniium Oscilloscope 1GHz 4GSa/s 4 Channel Hewlett Packard HP 54835A

Agilent - HP 4285A LCR METER

Agilent PREMIUM E4445A PSA Spectrum Analyzer, 3 Hz - 13.2 GHz

Agilent / HP E8408A VXI C-Size MainFrame

ABB 30HP Variable Frequency Drive (ACH550-BDR-088A-2++B058+E213+F267)

Agilent HP 8757C Scaler Network Analyzer, 110GHz

ABB ASEA CIRCUIT BOARD CARD DSMB127 DSMB 127 OH 57360001-HG/2 2668 184-584/2

Agilent N4431-60006 Opt-010 300 kHz to 13.5 GHz 4-Port Ecal Module

Agilent / HP 8131A Pulse Generator, 500 MHz + Option 020: Second Channel

Agilent/HP 6671A system power supply, 0-8 volts at 0-220 amps , NIST-certified

AGILENT 16950A LOGIC ANALYZER MODULE Priced to move

ABB 57275871 UC86-8CH Universal Counter 3100-UC1 Allen Bradley Stromberg 200054

Agilent HP E8247C PSG CW Signal Generator

Aerotech Unidex 12 Controller with Stages

Agilent N8740A 150V 22A 3300W Programmable Power Supply - 30

Agilent / HP 8665B Signal Generator, 100 kHz to 6 GHz w/ Options 001, 004 & 010

Agilent-HP E7906A 10/100 Ethernet Test Card

Agilent 5348A

ABB ACS550 ACS550-U1-038A-4+B055 20 Hp, 25 Hp, ACS550, VFD, N12

Agilent MSO6054A Mixed Signal Oscilloscope: 500 MHz, 4 scope and 16 digital ch.

Agilent - HP J6801B /J6810B/J6828A/ Distributed Network Analyzer

Agilent U1604A Handheld Oscilloscope w/ accessories & Pelican Case Nearly

Agilent 1157A

ABB 3HAB2241-1 CPU BOARD XLNT

Agilent HP E1428A Digitizing Oscilloscope Message-based VXI Module

Aeroflex 3416 -03-05-21

Agilent / HP 84815A Peak Power Sensor, 20 MHz to 18 GHz for 8990, 8991, 8992

Agilent/HP 8664A 3Ghz High-Perbance Signal Generator

Agilent 37718A -002-011-204-601

ABB 64513591 MAIN CIRC. INTERFACE NINT-72C SEALED

Agilent HP N5181A MXG RF Analog Signal Generator

AFP TRANSFORMER 410422

Agilent Omniber 720 J1407A Communication Analyzer

Agilent / HP E4418B Power Meter, 9 kHz to 110 GHz + Option 002: Rear Panel Input

AFP TRANSFORMERS INC 410805R2A NSPP 410805R2A

Agilent OmniBER 725 J1409A BER Jitter Communications Analyzer 37719A 37718A BER

Agilent / HP E4419B EPM Series Dual-Channel Power Meter

ABB 1400 M94 robot, robot, Motoman robot, Nachi

AGILENT 6651A SYSTEM DC POWER SUPPLY 0-8V, 0-50A

ABB ACS800-U31-0020-5 DRIVE ACS800U3100205

Agilent N3300A 1800 Watt DC Electronic Load Mainframe

AGILENT / HP 53181A RF FREQUENCY COUNTER 10 digit/sec.

Agilent/Hewlett/Packard 8487D POWER SENSOR, AGILENT CALIBRATION INCLUDED

Agilent 16802A-101-102-111

ABB 3HNM 01868-1 Hollow Wrist Attachment TR 5002

Agilent HP E4445A PSA Spectrum Analyzer, 3 Hz - 13.2 GHz w/ B78, B7J, BAF

Aeroflex MiNT E1130 WiMax Signaling Unit

Agilent N5630B 10/100/1000 Electrical/Optical XS-2 Card - SFP

Agilent / HP 8594E Spectrum Analyzer with Opt 041, 101, 105 +

Agilent/HP N1996A CSA Spectrum Analyzer; 100kHz - 3GHz

Agilent 4294A Precision Impedance analyzer, 110MHz

ABB ACH550-VDR-022A-6 AC VARIABLE SPEED DRIVE 20HP/600V E-BYPASS MOTOR STARTER

Agilent J2127A 10Gb/s Transmission Test Set

Agilent - HP 83752A SYNTHESIZED SWEEPER

Agilent PREMIUM N9342C Handheld Spectrum Analyzer 100 kHz to 7 GHz

Agilent / HP N4692A Electronic Calibration Module (ECal) 10 MHz - 40 GHz, 2.92mm

ABB 3BSE018104R1 AC 800M Processor PM856 K01 XLNT PM856K01

Agilent HP 8922M GSM Test Set With 83220E For GSM 1900 Equipment Set Works

ABB AUTOMATION Machine Terminal REM543CM216AAAA

Agilent N4851A Serial Aquisition Probe

Agilent / HP 81642A 1510 to 1640 nm High Power Tunable Laser Source Module

Agilent/HP 8487A 50 GHz Power Sensor

Agilent 3048A

ABB 57520001-GZ PC BOARD 57520001GZ DSCA 180B