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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(lái)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(zhuān)門(mén)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(lái)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(guò)數(shù)字式或模擬式的輸入和輸出，控制各種類(lèi)型的機(jī)械或生產(chǎn)過(guò)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(lái)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(lái)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(kāi)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(shuō)：“R&B使用了標(biāo)準(zhǔn)的SiemensSimaticS7PLC來(lái)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(lái)控制運(yùn)動(dòng)，這是一種專(zhuān)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(shuō)：“PLC通常很難做到高精度的伺服控制，這是專(zhuān)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(guò)液壓驅(qū)動(dòng)裝置對(duì)各個(gè)部件進(jìn)行定位。”
　　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?xún)?nèi)。型坯頂部要能夠?qū)⒘隙穫鱽?lái)的冷塑料加熱到415°F。
　　常規(guī)PLC采用IEC-61131標(biāo)準(zhǔn)語(yǔ)言編寫(xiě)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(zhuān)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。

ALLEN BRADLEY 1756-M3 USPP 1756M3

ALLEN BRADLEY 1395-KP51 NSFP 1395KP51

INDRAMAT TDM1.2-050-300-W1-0 USPP TDM12050300W10

KOLLMORGEN IND EB-104-A-11-B3 NSPP EB104A11B3

SIEMENS 6FX-1127-4AB01 USPP 6FX11274AB01

ALLEN BRADLEY SP-151135 USPP SP151135

Siemens 6ES5 942-7UB11 6ES59427UB11

Siemens Simatic S5 6ES5 242-1AA13 6ES52421AA13

SIEMENS 6ES5-635-0UB12 USPP 6ES56350UB12

Siemens 6ES5 451-7LA12/6ES54517LA12 E-Stand Version 06 FACTORY SEALED

Siemens 3RK1903-1CB00 / 3RK19031CB00

Siemens Eupec IGBT BSM200GA170DN2SE3256

SBI-7126T-S6 876GB SAS Blade Server 2x 2.53GHz Nehalem

Square D ATV66D12N4

SIEMENS AS-INTERFACE MODULE 3RK1402-3CE01-0AA2

WE SHIP SAME AIR-CAP3502I-A-K9 CISCO 1yr

SIEMENS 6SE7 090-0XX84-0AD1 Card

Siemens TP277-6 6AV6643-0AA01-1AX0 Touch Glass

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

Schneider Modicon ASBADU214 BRANDCompact Analog Input AS-BADU-214

Schneider Modicon AS-B829-116 NSFP ASB829116

Schneider Modicon AS-E680-904 MODULE ASE680904

Schneider Modicon AS-W907-025 USPP ASW907025

Schneider Modicon AS-E485-904 ASE485904 Executive Cartridge

Schneider PLC Output Module 140DRA84000

SIEMENS 6ES5432-4UA12 SIMATIC S5 DIGITAL INPUT MODULE PLC CARD

Roland VG-99 V-Guitar Multi Effects Processor System with GK-3 Pickup

Siemens Coros Op 15 6AV3515-1EB01

SIEMENS SINUMERIK 840D 6FC5210-0DA00-1AA16FC5203-0AB12-0AA1 MMC-100 HMI

Reliance Remote I/O Communications Module 57C416

SIEMENS Adapter 6SN1161-3AA23-0AA0 (CMI# 1-230-1237A)

SIEMENS 6FC9338-1A8 Simodrive cable measuring adapter

SIEMENS 6FC5110-0DB03-0AA2 | 12mo warranty | Free EU Shipping | Inc UK VAT

AllenBradley2711-T10G1/D2711T10G1Panelview1000

Allen Bradley VersaView 1700P Interface Panel Catalog 6181F-17TPXPH Series D

ABB EHW-250WC-1L Size 5 Welding Isolation Contactor

Advanced Energy 3150073-001 AE RF-10S, RF Generator, 1000W Novellus G19-10071-00

(L18) 1 ALLEN BRADLEY 1785-L40C CONTROL NET PROCESSOR CPU PLC-5/40C L18

LECROY 9112 USPP 9112

ALLEN BRADLEY 1100-AOD93 USPP 1100AOD93

FUJI ELECTRIC FRN7.5G11S-4EN USPP FRN75G11S4EN

FANUC A06B-0632-B011 USPP A06B0632B011

SICK OPTIC ELECTRONIC LUT1-420 USPP LUT1420

RELIANCE ELECTRIC 0-52855 NSFP 052855

SICK OPTIC ELECTRONIC CLV430-6010 NSFP CLV4306010

Siemens 6ES5 464-8MF21 ANALOG INPUT MODULE IN BOX

Siemens 6ES5-942-7UA12 NSPP 6ES59427UA12

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Siemens 6ES5 700-8MA11

Siemens S5 6ES5 700-8MA11 6ES57008MA11 Base

SIEMENS C73040-A51-C154-02-85 J2 Worldwide

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Square D 8010 SFI-510

Norb Passport 15000 multiservice switch Mac Address interface module NTHR11BA

WS-C6506-E CATALYST 6506 ENHANCED CHASSIS 6 12RU

Siemens 6ES7221-0AA22-0XB0 6ES7 221-0AA22-0XB0 CPU221

Siemens Simatic CPU 221 6ES7211-0BA21-0XB0

Reliance 57C421B

Schneider Modicon GOULD 24VDC INPUT MODULE CAT AS-B827-032

Schneider Modicon AS-B360-001 USPP ASB360001

Schneider Modicon AS-S929-001 USPP ASS929001

Schneider Modicon AS-BADU-214 Analog Input Module ADU-214 In ASBADU214 ADU214

Schneider Modicon AS-B814-108 Output Module Relay NO/NC 5A/30VDC 4A/230VAC 8PT

MODICON AS-B824-016 OUTPUT MODULE ASB824016

Siemens Input Module 6ES7-131-4EB00-0AB0 11244

Siemens 6ES5 243-1AA13 6ES52431AA13

Siemens Output Module 6ES7 322-1FF01-0AA0

SIEMENS SIMADYN D 6DD3461-0AE0 CABLE SC60 34pin 2m !! QUANTITY!!

TLS-350 WPLLS Communication Module 330812-001

SIEMENS 6SN1118-0DJ21-0AA1

SIEMENS Simodrive 6 RA 2632-6DV55-ZY26 Drive Plus Cards

SIEMENS 6FC5357-0BB35-0AA0 | 12mo warranty | Free EU Shipping | Inc UK VAT

ADVANTECH PCL-849 PCL-849A RS-232 Comm Card

Allen-Bradley 1756-OB16E/A F Output Module

ABB Bailey Infi 90 INIPT02 Plant Loop Remote Transfer Module in the

ADEPT TECH 10171-00020 NSPP 1017100020

( ) SQUARE D ECONOFLEX ADJUSTABLE SPEED DRIVE CONTROLLER 58ENG4VY

HONEYWELL 945-L4Y-2D-001 NSFP 945L4Y2D001

TAYLOR ELECTRONICS 6214BZ10110G USPP 6214BZ10110G

DANFOSS VLT3504 USPP VLT3504

CONTROL TECHNIQUES M75R-14ICD USPP M75R14ICD

OMRON V530-R150EP-3 NSPP V530R150EP3

MODICON 557-VIC-106-60 USPP 557VIC10660

GENERAL ELECTRIC IC3603A177CG6 USPP IC3603A177CG6

Siemens 6ES5 306-7LA11 6ES53067LA11

Siemens 6ES5-521-8MB12 NSFP 6ES55218MB12

SIEMENS 6ES5-318-8MC12 6ES5318 6ES5318-8MC12 PLC ET200U

Siemens 6ES5 100-8MA02 CPU Module Processor Unit WOW

Siemens 6ES5-246-4UA21/6ES52464UA21 Controller OFFERS ACCEPTED

Siemens 6GK7 243-1EX00-0XE0 6GK7243-1EX00-0XE0 in Box

Siemens TP177B 6AV 6642-0BA01-1AX1 Touch Glass

Siemens 6ES5615-0UB11

Kingspec Flash DOM Disk On Module 2GB/2G 44Pin Vertical IDE Interface PATA MLC

YASKAWA ELECTRIC JAMSC-B2110AV USPP JAMSCB2110AV

Siemens 6ES7 216-2BD22-0XB0 6ES7216-2BD22-0XB0 FreeShip

Siemens OP270 6AV6542-0CC10-0AX0 HMI Touchscreen

Red Lion DT3A0400

Schneider Modicon AS-B827-032 24 VDC Input ASB827032

Schneider Modicon AS-8535-000 NSFP AS8535000

Schneider Modicon AS-MBPL-500 USPP ASMBPL500

Schneider Modicon AS-B231-501

Schneider Modicon AS-212P-020 PC BOARD ASSEMBLY K

Modicon/Schneider PanelMate PM+ 1000 Modbus MMPMMP003C

SIEMENS SIMATIC TI305-01N INPUT 24 VDC MODULE TI30501N

Telemecanique Proximity Switch Sensor XS2-D12PA140C NIB

Siemens Simatic S5 6ES5451-8MD11 Output Module 8MD11 Refurbished

SIEMENS / TI 505-4908 RELAY OUTPUT MODULE

SIEMENS Sinumerik DMP Module Modul 6FC5111-0CA01-0AA0

SIEMENS 6SN1113-1AB01-0BA1 6SN11131AB010BA1

SIEMENS SIMODRIVE 6SN1123-1AB00-0HA1 with 6SN1118-0AE11-0AA1

SIEMENS NCU-BOX 6FC5247-0AA00-0AA2 SINUMERIK 840D/DE

ADVANTECH PCL-747+ CPU Module

Allen-Bradley 2711-M14 Monitor

ABB 57310001-MP

Acme T-2A-350012-3S 112.5 KVA 480 X 480/277 Volt Transber - T295

Aaronia HyperLOG 30180 Antenna -

85051-60006 Beatty Standard; replaced by 85051-60011

SIEMENS 6GF3010-0HE15-0CS0 USPP 6GF30100HE150CS0

ASEA BROWN BOVERI QDBB-153M USPP QDBB153M

ASEA BROWN BOVERI 57360001-HG USPP 57360001HG

MITSUBISHI HC-H702S-A42 NSFP HCH702SA42

INDRAMAT KDF1.1-100-300-W1/220 USPP KDF11100300W1220

ALLEN BRADLEY 8600-1870X USPP 86001870X

SYMAX 8994-SYS80 USPP 8994SYS80

Siemens 6ES5-434-4UA12 INPUT MODULE

SIEMENS 6ES5 466-8MC11 -FS- 6ES54668MC11

SIEMENS INTERFACE MODULE 6ES5 305-7LA11

Siemens S5 6ES5 421-8MA11 6ES54218MA11 Dgital Input 24VDC

Siemens 6ES7 421-1BL00-0AA0 6ES7421-1BL00-0AA0 NIB

SIEMENS RWD44U Controller

PROLOG NDC-S911 NSPP NDCS911

HONDA iPOD iPHONE AUX INPUT INTERFACE CONNECTOR 08A28-iJi-100 MODULE USA SELLER

VERMONA QMI QUAD MIDI INTERFACE MODULAR EURORACK MODULE

Siemens 6AV7613-0AA13-0CF0 PC670 Membrane Keypad

Siemens LOGO USB Cable 6ED1 057-1AA01-0BA0 FreeShip

Omron 3G2A5-ID219

Schneider Modicon AS-P930-104 PLC

Schneider Modicon AS-P453-652 Remote I/O Power Supply

Schneider Modicon AS-EM85-301 NSPP ASEM85301

Schneider Modicon GOULD PROGRAM PACK AS-P371-002

Schneider Modicon AS-BDAP-209

Schneider Modicon Program Terminal w/ Keyboard AS-P190-212 with keyboard cover & key

Telemecanique ATV11HU09M3A 0.37kW Inverter in Box

Schneider Telemecanique Contactor LC1D09 M7C

Siemens6ES7222-1EF00-0XA0EM222OutputModule

Siemens 6AV6542-0BB15-2AX0 6AV6 542-0BB15-2AX0 SIMATIC OP170B 5.7 Keypad Panel

SIEMENS SINUMERIK 6FC 3671-0FB-Z CONTROL RACK

GE FANUC IC600CB516M COMMUNICATION MODULE

SIEMENS SINUMERIK 6FC3538-3EF 6FC35383EF USED

SIEMENS MOORE CO. MODEL 63BD-L DIFFERENTIAL TYPE FLOW CONTROL

ALLENBRADLEY FLEX I/O ANALOG OUTPUT MODULE CAT:1794-OF4I

AB Allen Bradley PowerFlex 400 22C-D105A103 Ser A 75 HP

AC Motor Control Drive - 60 HP - 480 Volt - Three Phase Input

A06B-0511-B001#1000 FANUC SERVO MOTORS REMANUFACTURED

75 Ton Liqui-Chill Chiller '95

RELIANCE ELECTRIC 86466-74RB USPP 8646674RB

ALLEN BRADLEY 500-GOB-930 USPP 500GOB930

ALLEN BRADLEY 1785-L40B/E NSPP 1785L40BE

INDRAMAT DDC01.2-N200A-DS50-01-FW USPP DDC012N200ADS50A

YASKAWA ELECTRIC CACR-IR10101FC USPP CACRIR10101FC

WARD LEONARD 5DP8-20100 USPP 5DP820100

HONEYWELL 30752387001 NSPP 30752387001

Siemens 6ES5-243-1AA11 USPP 6ES52431AA11

SIEMENS 6ES5 376-0AA21 6ES53760AA21

SIEMENS Digital Output Module 6ES5 521-8MA21 Version 1 Appears to be

Siemens 6ES5 998-8MA22 NSFP 6ES59988MA22

Siemens 6ES5921-3UA12

Siemens MP277-10 6AV6643-0DD01-1AX1 Touch Glass

RELIANCE ELECTRIC 0-57405-C USPP 057405C

Texas Instruments 500-5828A

SQUARE D S48891 MOD DIFF GROUND FAULT INTERFACE MODULE

UNIPRO 24002156 USPP 24002156

Siemens CB24 COM BOARD 6RX1240-0AK01

Modicon AS-W904-050

Schneider Modicon 3038DEP216/AS-BDEP-216 Input Module

Schneider Modicon S911 PROCESSOR MODULE AS-S911-801

Schneider Modicon AS-BDAU-202 2 Point Output Module

Schneider Modicon AS-BDAP-204 Compact Out Module ASBDAP204

Schneider Modicon /Schneider AS-B873-011/AB873011 NICE

Schneider Modicon Compact AS-BDAP-216 ASBDAP216 DC Output NIB

Schneider Modicon TSXPCX1031-C TSXPCX1031C PLC Cable

SCHNEIDER TSX COMPACT DISCRETE INPUT FAST INPUT MODULES DEP 220/AS-BDEP-220

RADISYS EXM18-RS422 USPP EXM18RS422

SIEMENS 6ES5-456-7LA11/6ES5456-7LA11 OUTPUT MODULE NIB

SIEMENS SINUMERIK OP010 6FC5203-0AF01-0AA0 MembraKeypad

Mitsubishi F2-20GF Communication Module Free Ship

SIEMENS Simodrive 6SN1118-0DG22-0AA0 E GWE-567008901365

SIEMENS Sinumerik FM 6FC5210-0DA00-1AA1 6FC5 210

SIEMENS 6FC5203-0AB00-0AA0 Sinumerik OP030 Free Ship

ALLENBRADLEY1734-0B8STANDARDSOURCEOUTPUTMODULE8CHANNEL24VDC1A/24VA

Allen Bradley SLC 500 1747-L20A Series B Processor with 2 Output Modules

ABB ROBOT TRALLFA TEACH PENDANT 3E031712 TESTED &

A06B-0143-B175#7008 FANUC SERVO MOTORS REMANUFACTURED

00415 GE IC640MWS902A Demo Unit

MOORE PRODUCTS 39ACM28ADN USPP 39ACM28ADN

ALLEN BRADLEY 150B97NBD8L NSPP 150B97NBD8L

ALLEN BRADLEY 1326AS-B440G-21-K4 USPP 1326ASB440G21K4

GENERAL ELECTRIC 36C774505ABG01 USPP 36C774505ABG01

SQUARE D KCL341252361 NSFP KCL341252361

SIEMENS 6SC-9811-4BF54 USPP 6SC98114BF54

ASEA BROWN BOVERI APSAF-03 USPP APSAF03

Siemens 6ES5 943-7UB21 6ES59437UB21

Siemens Simatic S5 6ES5 465-4UA11 6ES54654UA11 Analog

SIEMENS 6ES5-700-3LA12 USPP 6ES57003LA12

Siemens 6ES5 460-4UA12/6ES54604UA12 Analog Input

Siemens 6AG1 223-1PL22-2XB0 6AG1223-1PL22-2XB0 FreeShip

Siemens IGBT BSM75GB120DN1E3204

SANS DIGITAL MR4UT 4-bay hot-swap hardware RAID storage

Square D SERIPIEX SET-UP TOOL

SIEMENS INTEL HTRI-D DUAL INTERFACE MODULE BRAND NEFREE SAME DAY USA

SERIES C F/W REV A PKG 06/09/2009

Siemens 6SE7022-6EC61

Siemens TXB1.P1

Schneider Modicon Compact AS-PRTU-252 ASPRTU252 NIB

Schneider Modicon ASB883200AS-B883-200 Thermocouple Input Module

Schneider Modicon AS-B838-032 Discrete Output Module

Schneider Modicon AS-BDEP-218 DISCRETE INPUT MODULE FS

Schneider Modicon B807 AS-B807-132 INPUT MODULE 800I/O 115VAC 32PT PLC PROGRAMMABLE L

Schneider Modicon AS-H827-100 Secondary Rack

Schneider Output Module QUANTUM 140 DDO 353 00 2759

Siemens 6ES5421-8MA12 Digital Input Module 7309

ROBOTRON 503-1-0324-19 USPP 5031032419

Siemens Contactor 3RT1033-3AK60 110V 50Hz 120V 60Hz