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　PLC(ProgrammableLogicController)可編程邏輯控制器是20世紀(jì)60年代末期逐步發(fā)展起來的一種以計(jì)算機(jī)技術(shù)為基礎(chǔ)的新型工業(yè)控制裝置。PLC是一種專門為在工業(yè)環(huán)境下應(yīng)用而設(shè)計(jì)的數(shù)字運(yùn)算操作的電子裝置。它采用可以編制程序的存儲(chǔ)器，用來在其內(nèi)部存儲(chǔ)執(zhí)行邏輯運(yùn)算、順序運(yùn)算、計(jì)時(shí)、計(jì)數(shù)和算術(shù)運(yùn)算等操作的指令，并能通過數(shù)字式或模擬式的輸入和輸出，控制各種類型的機(jī)械或生產(chǎn)過程。PLC及其有關(guān)的外圍設(shè)備都應(yīng)該按易于與工業(yè)控制系統(tǒng)形成一個(gè)整體，易于擴(kuò)展其功能的原則而設(shè)計(jì)。
　　一種特殊的R&B吹塑機(jī)器有9根伺服液壓驅(qū)動(dòng)軸——3根用來控制型坯(把材料擠壓成空心管或半球體，這是吹塑工藝的第一步)，6根用來控制運(yùn)動(dòng)。這種機(jī)器包含2個(gè)梭子，2個(gè)模具，以及2根吹管。運(yùn)轉(zhuǎn)時(shí)，夾具反復(fù)打開和夾緊模具，吹管反復(fù)做上下運(yùn)動(dòng)，傳送裝置帶動(dòng)夾具至型坯正下方，到達(dá)吹氣位置。
　　DavidChin是NDCTechnologies的技術(shù)人員，該公司是Siemens的戰(zhàn)略合作伙伴，一同參與了R&B控制系統(tǒng)升級(jí)項(xiàng)目。Chin說：“R&B使用了標(biāo)準(zhǔn)的SiemensSimaticS7PLC來控制這些位置運(yùn)動(dòng)。我們提供了一套功能模塊，使R&B能運(yùn)用PLC進(jìn)行位置控制。其它的機(jī)器可能要使用運(yùn)動(dòng)控制器來控制運(yùn)動(dòng)，這是一種專用于伺服控制和定位的控制器。我們定制的功能模塊能夠達(dá)到與獨(dú)立控制器相同的功能和性能。”
　　Chin說：“PLC通常很難做到高精度的伺服控制，這是專用運(yùn)動(dòng)控制器被廣泛采用的原因。但是在我們的應(yīng)用中，標(biāo)準(zhǔn)的SiemensS-7PLC承擔(dān)了運(yùn)動(dòng)控制功能，它通過液壓驅(qū)動(dòng)裝置對(duì)各個(gè)部件進(jìn)行定位?！?br /> 　　PLC還對(duì)30多個(gè)區(qū)域進(jìn)行溫度控制，這些區(qū)域包括加料斗、擠出機(jī)以及型坯頂部。其中12個(gè)區(qū)域既能加熱又能冷卻，另外18個(gè)只能加熱。溫控系統(tǒng)必須將機(jī)器各部分的溫度誤差范圍控制在1度以內(nèi)。型坯頂部要能夠?qū)⒘隙穫鱽淼睦渌芰霞訜岬?15°F。
　　常規(guī)PLC采用IEC-61131標(biāo)準(zhǔn)語言編寫的功能模塊控制所有的伺服液壓系統(tǒng)驅(qū)動(dòng)軸。它不需要特殊的運(yùn)動(dòng)控制環(huán)境。加入運(yùn)動(dòng)控制功能的PLC相對(duì)于專用PLC和獨(dú)立的運(yùn)動(dòng)控制器而言，具有更出色的性能和更高效的處理能力。

Schneider Modicon AS-S908-110 Remote I/O Processor ASS908110

MODICON AS-B838-032 OUTPUT MODULE 32POINT DISCRETE .5AMP 24VDC

SIEMENS 505-4332 INPUT MODULE 5054332

Siemens 6ES7 332-5HF00-0AB0 6ES7332-5HF00-0AB0 SM 332 Analog Output QUANTITY

Siemens RS 485-REPEATER 6ES7-972-0AA00-0XA0

SIEMENS Sinumerik 8MC 8 MC 548 021.9012.01 _ 8MC548021.9012.01 _ 8MC548021901201

SIEMENS SINUMERIK 810 6FX1128-1BA00 WITH MODULES TESTED WARRANTY

CSM Serial Communications Module PN 469880-01

SIEMENS Simodrive C98043-A1204-L26 Control Board

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 B3

Advantech Axiom Axiomtek IPC-586VDHGX Card FS

Allen-Bradley 6185-DACABBZ Series A Touchscreen A4

ABB 3E034013 DRIVE 3E 034013

ACCURAY 069829-002 USPP 069829002

A06B-6088-H230#H500#EM FANUC SERVO AMPLIFIER REMANUFACTURED

801FSC148 ALLEN BRADLEY 801 FSC148

SIEMENS 6ES5-188-3UA12 NSPP 6ES51883UA12

ANN ARBOR INX5486S-M NSFP INX5486SM

ALLEN BRADLEY 6181-GLFDBCZZZ USPP 6181GLFDBCZZZ

KOLLMORGEN IND M205-C21-259 NSFP M205C21259

GORING KERR DSP2 USPP DSP2

ZEBRA Z220-451-00054 USPP Z22045100054

PACIFIC SCIENTIFIC S33NLYY-LNF-NS-01 USPP S33NLYYLNFNS01

Siemens 6ES5-330-7AB11 NSFP 6ES53307AB11

SIEMENS 6ES5 440-8MA11 DIGITAL OUTPUT MODULE IN BOX

SIEMENS S5 6ES54648MF11 6ES5 464-8MF11 NIOB

Siemens INTERFACE MODULE PROFIBUS ET200U 6ES5-3188MB12

Siemens 6ES7 223-1PL00-0XA0 6ES7223-1PL00-0XA0 FreeShip

SIEMENS OP7 6AV3 607-1JC20-0AX1 Membrane Keypad , ping Worldwide

QLogic SANbox BASE Model 9200 Chassis Switch TL260LL/A

Giddings Lewis Video Interface Module 502-02904-20

Tii 5100 Series Telephone Network Interface Module

Siemens 3RK1301-0CB20-0AA3 ET200S DSS1e-xHF

Siemens ET200S 6ES7 132-4HB00-0AB0 6ES7132-4HB00-0AB0

Modicon PC-E984-385

Schneider Modicon GOULD IO1100 I/O MODULE AS-B100-000

Schneider Modicon AS-BMOT-201 Compact Motion Encoder ASBMOT201

Schneider Modicon AS-C921-101 USPP ASC921101

Schneider Modicon AS-P120-000 ASP120000

Schneider Modicon AS-8535-000 AS8535000 High Density Connector

Schneider Modicon MEMORY MODULE M485 Rev. B AS-M485-008

Schneider Telemecanique XBTF034510 in Box

SCHNEIDER ELECTRIC TXBTF044510E TXB TF044510E

PROSOFT MVI46-MCM MVI46MCM

SIEMENS 6ES5 458-7LB11 OUTPUT 250VAC MODULE IN BOX

SIEMENS 6DD2920-0AR1 NSPP 6DD29200AR1

HONEYWELL W940 W940B W/ MODULES A2 14502501-002 & AUDIO COMMUNICATION AUDMB16D

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357#2ZF

SIEMENS SINUMERIK 810D/840DPCU20 6FC5210-0DF00-1AA1

SIEMENS MOORE APACS39SAMCAN SAM STANDARD ANALOG MODULE 16133-71 TESTED 25154

Allen-Bradley PanelView 600 2711-B6C10

550 HP 460 Reduced Voltage Electric Motor Starter WEG SSW060670T2257ESZ

ABB Teach Pendant

A06B-0153-B077#0076 FANUC SERVO MOTORS REMANUFACTURED

71100C HP/Agilent 2.9 GHz Spectrum Analyzer

RELIANCE ELECTRIC 1398-DDM-150 NSFP 1398DDM150

ALLEN BRADLEY 1785-L40C USPP 1785L40C

ALLEN BRADLEY 1394-AM75 NSFP 1394AM75

GENERAL ELECTRIC DS3800NPSE1C1C USPP DS3800NPSE1C1C

TOSHIBA VT130G3U4220 USPP VT130G3U4220

SYMAX 8020-SMM-720 USPP 8020SMM720

FANUC NE-1505-470-300 USPP NE1505470300

Siemens 6ES5-095-8MC01 USPP 6ES50958MC01

SIEMENS 6ES5 315-8MA11 6ES53158MA11

SIEMENS 6ES5928-3UB12 6ES5 928-3UB12S5-135U CPU928B Processor READ

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SIEMENS 6ED1052-1CC00-0BA4 6ED10521CC000BA4 ping

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Rigol Function/Arbitrary Waveb Generators DG3121A

Telemecanique XUD-H003537

Smc EX230-SDN1 Pack of 6 SMC EX230SDN1 DeviceNet Interface Module

w/ 1 year

Siemens BSM75GB120DN1 IGBT Module

Modicon AS-T584-001

Schneider Modicon Automation AS-B805-016 16 PLC Module

Schneider Modicon AEG/GOULD// AS-B564-000 OUTPUT MODULE 24-48VAC XLNT

Schneider Modicon AS-B884-002 I ASB884002 I $3375.00 I

Schneider Modicon AS-B232

Schneider Modicon P230 PROGRAMMER AS-P230-080

Schneider Modicon AS-P451-622 REMOTE I/O PROCESSOR MODEL P451 200 SERIES

Schneider Automation 140 DAO 842 10 140DAO84210 Output Module

Siemens 16 Pt Analog Input Module 505-2555

Reliance Electric 0-57416-K Remote I/O Comm Mod Missing Mounting Clip

Siemens 6ES7272-0AA30-0YA1 6ES7 272-0AA30-0YA1 TD 200 2-Line Text Display

SIEMENS SINUMERIK800SW6 NSFP SINUMERIK800SW6

OMRON COMMUNICATION MODULE UNIT I/O- DRT1-COM

SIEMENS SIMODRIVE (POWER SUPPLY) 6SN1145-1AA01-0AA1

SIEMENS SINUMERIK PROGRAM PANEL 6FC 5203 5210 5253

SIEMENS NetApp X279A-R5 300GB 15K.6 FC Hard Disk Drive 108-00156-B2 ST3300656FC

AllenBradley1771-OFE2/BPLC-5AnalogOutputModuleAB3

Allen Bradley SLC500 Output Module

ABB part kit for Advac vacuum circuit breaker cell switchgear trip unit 5 15 kV

Zwick Tensile Tester 20848

, factory sealed SIEMENS 6FX1120-5BA01

MODICON AM-S980-130 USPP AMS980130

ALLEN BRADLEY 1394C-SJT05-L USPP 1394CSJT05L

GENERAL ELECTRIC THPC-3630BG3T USPP THPC3630BG3T

GE FANUC 44A392661-G01 USPP 44A392661G01

SIEMENS 6SC9111-2AC25 USPP 6SC91112AC25

SICK OPTIC ELECTRONIC IVC-2DM1111 USPP IVC2DM1111

Siemens 6ES5 701-3LA13 6ES57013LA13

Siemens S5 6ES5 247-4UA31 6ES52474UA31 NIOB

SIEMENS 6ES5-464-8ME11 ANALOG INPUT MODULE 6ES54648ME11

Siemens 6ES5 421-8MA12/6ES5421-8MA12 INTERFACE MODULE XLNT

Siemens S5 Power Supply 6ES5951-7LB21 E Stand 03

Siemens CPU313C 6ES7-313-5BE00-0AB0

SFP-GE-T 1000BASE-T SFP MODULE FOR CISCO NEBS 3 ESD

Square D 8030 ROM-221

SIEMENS 6ES5 314-3UR11 INTERFACE MODULE

WE SHIP SAME Cisco WS-C4948-E CATALYST 4948 48-PORT 1YR

Siemens 6GK5 788-1ST00-2AA6 6GK57881ST002AA6 Ethernet

Siemens TP177A 6AV6642-0AA11-0AX1 Touchscreen Glass

Schneider Modicon -Kreuznach 80mm f/4 Longar-Xenon C 58 5672394 As/IsFree Shipping

Schneider Modicon AS-BDEP-216 SEALED 16 Discreet IN ASBDEP216

Schneider Modicon AS-B805-016 with Free Shipping

Schneider Modicon Modem Assy Model AS-J378-000

Schneider Modicon AS-M84K-001 USPP ASM84K001

Schneider Modicon AS-B883-200 Thermocouple Input AS-B883-200 In/O

SCHNEIDERELECTRICADAPTERCABLEFORXBTGT/GK-XBTZG919

Siemens 6ES7 331-7KB02-0AB0 BRAND Analog b module

SATT CONTROL 492-705-502 USPP 492705502

Siemens HMI 6AV6 641-0AA11-0AX0 NIB 6AV66410AA110AX0

SIEMENS Sinumerik 800M. 6FC3986-3EU Operator Panel.

Siemens 6ES5525-3UA21 Communication Module Circuit Board 37826

SIEMENS 6SN1135-1DA11-0EA0 USPP 6SN11351DA110EA0

SIEMENS 6SN1118-0AD11-0AA1 6SN1 118-0AD11-0AA1 SIMODRIVE 611 Control Board

SIEMENS 6FC5152-2AX01-1AA01 USPP 6FC51522AX011AA0

AllenBradleyPanelview2711-T6C20L1/B2711T6C20L1

Allen Bradley1746-0V16 Series C Output Module / SLC 500

ABB Drive w/ Bypass ACH401603032, 460V AC 56 A 3 Phase 60 HZ 40 HP

Adept X-Y Slide Robot Module with Controller and Pendant

(8098) Tech-Motive Servo Amplifier Model 513A P/N: 49-4100-02C5 (8098)

INDRAMAT TDM1.4-100-300-W1 USPP TDM14100300W1

WESTINGHOUSE PC-700A-10-103003 USPP PC700A10103003

FANUC A06B-6076-H001 USPP A06B6076H001

ELECTROMOTIVE 2054-FVG+ USPP 2054FVG

RELIANCE ELECTRIC 805401-1S USPP 8054011S

OMRON C200H-FZ001 NSFP C200HFZ001

OMRON C500-SNT31-V4 USPP C500SNT31V4

Siemens 6ES5 441-4UA12 6ES54414UA12

Siemens 6ES5-921-1BA11 USPP 6ES59211BA11

SIEMENS 6ES5-400-7AA12 USPP 6ES54007AA12

Siemens 6ES5 440-8MA11 -- 6ES54408MA11

Siemens S5 6ES5 385-8MB11 6ES53858MB11

Siemens 6SE7090-0XX84-0AB0 Masterdrives CUVC in Box

Siemens 6ES7 332-5HB01-0AB0 -FS- 6ES73325HB010AB0

Siemens U-55T

MODICON AS-J830-001 MODULE INTERFACE 884/800 ASCII

WS-X4648-RJ45V-E Cisco Catalyst 4500E Series Line Card Switch 48 ports

Siemens 6ES7 414-2XK05-0AB0 6ES74142XK050AB0 NIB

Siemens RLU222 Controller

Reliance 0-57404-2F

Schneider Modicon Maria as Jeanne lying back in bathtub Last Tango in Paris 24X30 Poster

Schneider Modicon AS-B248-501 NSFP ASB248501

Schneider Modicon AS-P933-001 ASP933001 Fast Shipping

Schneider Modicon AS-B832-016 -DI-

Schneider Modicon AS-B802

MODICON MM-PMC2-300 OPERATOR INTERFACE PANEL

Siemens Simatic 505-4232 110 VAC Input Module

SIEMENS 6ES5-308-3UA12 NSFP 6ES53083UA12

Siemens S5 6ES5458-4UA12 Digital Output Module NIB Free Shipping

SIEMENS 6DD1-684-0BH1/6DD1684-0BH1 RIBBON CABLE APPROX. 2 METERS XLNT

SIEMENS SINUMERIK 840C/840CE 6FC5112-0CA03-0AA0 NIB

SIEMENS 6SN1112-1AB00-1AA0 6SN1 112-1AB00-1AA0 SIMODRIVE 611 Capacitor Module

SIEMENS SIMODRIVE 611-D 6SN1118-0DG23-0AA1 NIB

SIEMENS 6FC9348-7AT NSPP 6FC93487AT

Advantech MIC-3809 A1 02-1

Allen-Bradley 1771-ODC Isolated AC Output Module

ABB ACS601-0060-5-000B1200800

ADAPTIVE POWER SYSTEMS FC-210 - - UN - - - AVIONICS TESTING - POWER SUPPLY

6ES7492-1AL0-01AB0 Brand , Factory Sealed,

9020 DAYTRONIC POWER SUPPLY REMANUFACTURED

SQUARE D NJHN36000S60ABSO NSFP NJHN36000S60ABSO

CONTROL TECHNIQUES MX-1300 USPP MX1300

BERKELEY PROCESS BAM-432T USPP BAM432T

MTS SYSTEMS CO 469876-01L USPP 46987601L

MEASUREX 05361100 USPP 05361100

FANUC A06B-6079-H206 USPP A06B6079H206

Siemens 6ES5 183-3UA13 6ES51833UA13

Siemens 6ES5-465-7LA12 USPP 6ES54657LA12

SIEMENS 6ES5-090-8ME11

SIEMENS S5 6ES5470-4UB11 6ES54704UB11 Analog

Siemens 3 S5 Front Connectors 6ES5 490-7LB21 NOS

Siemens 6ES7390-0AA00-0AA0 NIB

Siemens SL-360 Lithium Battery for S5 PLC NIB FS

Siemens 6ES5375-1LA21

InfoKey RJ11C/W Interface Module 2 RJ11C/W modular jacks.

YOSHIMURA FOR KAWASAKI TERYX 750

SIEMENS 6ES5470-8MA12 6ES54708MA12

Siemens MP277-10 6AV6 643-0DD01-1AX1 Touch Glass

Omron SP20-DT-D

Schneider Modicon AS-B984-101/ASB984101 High Speed Counter OFFERS ACCEPTED

Schneider Modicon AS-509P-003 USPP AS509P003

Schneider Modicon AS-J892-101 USPP ASJ892101

Schneider Modicon AS-8228-100 USPP AS8228100

Schneider Modicon / Communication Processor Module AS-C921-101

Schneider Modicon AS-B804-116 ASB804116 I/O Module

Siemens/ Landis Gyr Analog Input Module PTM6.2P1K Dry Contact

Schneider TWIDO TWDNOZ485T Expansion, Comm, RS485 Tbk

Siemens Sinumerik 840C Interface 6FC5103-0AD13-0AA0_ T-K42025281 Version C

SIEMENS 500-5047-A ANALOG OUTPUT MODULE 5005047A

SIEMENS SINUMERIK 810 MONITOR CLINTON SM-0901

Comm 2000 Learner's Guide Mod. 3 by AIT Staff 1995 Paperback

SIEMENS Simodrive 6SN1146-1AB00-0BA1 6SN11461AB000BA1

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC53562ZE

ADVANTECH MIC-2718 REV.B1 01-2

ALLEN-BRADLEY 2755-NB40 US WIRING BASE USE WITH:2755-SN3;SN5 OR SN8 NIB

ABB 3HAB2241-1 CPU BOARD XLNT

ACCURAY 086155-001 086154-001 SCANNER VME MODULE CONTROLLER CONTROL B208804

A06B-6124-H207 Excellent Condition

809A14E ALLEN BRADLEY 809 A14E

SIEMENS 6ES5-921-3WB15 NSFP 6ES59213WB15

ASEA BROWN BOVERI 57088613 USPP 57088613

ALLEN BRADLEY 702-FOA-93 USPP 702FOA93

LEROY SOMER FMV-2306-33T USPP FMV230633T

HEIDENHAIN CORP 242-659-03 USPP 24265903

ALLEN BRADLEY 1336-B003-EOD-S1 USPP 1336B003EODS1

RELIANCE ELECTRIC 0-52823 NSFP 052823

Siemens 6ES5-350-3KA41 6ES5350-3KA41 MEMORY BOARD W/ 2 6ES5-372-0AA51

SIEMENS 6ES5 441-8MA11 6ES54418MA11

SIEMENS SIMATC S5-100U CPU 100 6ES5 100-8MA02

Siemens MODULES5 6ES5 482-8MA13 6ES54828MA13

Siemens 6ES7 253-1AA22-0XA0 6ES72531AA220XA0