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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(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?！?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?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。

SIEMENS SIMODRIVE POSMO A 300W 6SN21S5-2BD10-1BA1

SIEMENS 802S 6FC5500-0AA00-1AA0 Membrane Keypad

SIEMENS Andis UltraEdge Clipper Blade 6FC 6F 4.8mm Wahl Oster

ALLENBRADLEY1771-0A/BACOUTPUTMODULE

Allen Bradley Solid State Timer Relay 700-RTC00000U1 WARRANTY

ABB DSQC626A

ADALET Explosion proof control panel board XLPMP 36320

A06B-0147-B075#0008 FANUC SERVO MOTORS REMANUFACTURED

01KA509430 RELIANCE DC MOTORS

NACHI AUXL-111 USPP AUXL111

ALLEN BRADLEY 1756-L53 NSPP 1756L53

ALLEN BRADLEY 1336-B015-EAE-S1 USPP 1336B015EAES1

GENERAL ELECTRIC 531X122PCNACG1 NSFP 531X122PCNACG1

SQUARE D S164N NSPP S164N

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Siemens Simatic S5 6ES5 928-3UB11 CPU 6ES5-928-3UB11

SIEMENS 6ES5-701-1LA12/6ES5701-1LA12 9-SLOT EXPANSION RACK NIB

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Siemens 6AV3607-1JC30-0AX1 OP7 in Box ping Worldwide

Siemens Inverter 6SE9521-0DC40

Samsung NP400B2B-A01US Notebook laptop 2.50 GHz 12.5" Screen Size 1.3 MP Cam

Syscon C400FJA3

SIEMENS Interface Module 6ES5310-3AB11 NIB Opened Compare @ 480.00

QUANTITY AVAILABLE SERIES A

Siemens 6SE7031-7HG84-1JA1

Siemens VAS5052A Touchscreen Glass

Schneider Modicon AS-BDAP-216N TSX Compact Current Source

Schneider Modicon ASB875101 Refurbished TESTED Analog INPUT Module AS-B875-101

Schneider Modicon AS-B846-002 MODULE ASB846002

Schneider Modicon 984 series of AS-B808-016 good in condition

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AllenBradley2711-K9C9PanelView900SeriesARev.A

ALLEN BRADLEY VersaView 1200P TOUCH SCREEN OPERATOR INTERFACE 6181P-12TSXPH

ABB IMMOTION YGBF-20 FIELD CONVERTER EXCITER CONTROL MODULE 64G069D- 60835

Advanced Energy MDX Pinnacle DC Magnetron Power Supply AE 3152363-004A ~208

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Reliance WU4001179

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Schneider Modicon AS-BDEP-210 ASBDEP210 DEP 210 AC Input NIB

Schneider Modicon AS-B825-016 INPUT TRUE HIGH MODULE

MODICON ANALOG OUTPUT MODULE DAU 202 / AS -BDAU -202

SIEMENS ET 200X PLC INPUT OUTPUT MODULES 1BF11 1BF30 1DA00

Sharp JW50H JW-50CUH JW50CUH Control Module

Siemens Operator Interface Model 4700-DRMC3-11HN

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TEKTRONIX COMMUNICATION DC POWER MODULE VSS75

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Advantech Remote Contact/Digital Input ADAM-4053

ALLEN-BRADLEY 1746-0AP12 SER. C REMOTE OUTPUT MODULE ""

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88143

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(000 nolot) Allen Bradley Motor 31HP (Kw) 37.1V 1600 RPM 8720SM-030Z4JAS2

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EEC AEG THYRO-3M-500-495-HF USPP THYRO3M500495HF

CUTLER HAMMER 92-00988-02 USPP 920098802

PPT VISION 661-0306 USPP 6610306

MODICON AS-584A-039 USPP AS584A039

INDRAMAT CLC-P01.1 USPP CLCP011

Siemens 6ES5 312-5CA12 -FS- 6ES53125CA12

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SIEMENS TP270 6AV6 545-0CC10-0AX0 Touch Panel Excellent Condition

Siemens 6ES5941-7UA12

LIKE CONDITION GUARANTEED TO WORK OR MONEY BACK

Yaskawa 87350-23001 PLC Module 8735023001 XLNT

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Siemens OP37 6AV3637-1ML00-0CX0 Membrane Keypad ping Worldwide

Reliance 0-51377-35

Schneider Modicon AS-B805-000/ASB805000 Input

Schneider Modicon AS-9000-790 NSFP AS9000790

Schneider Modicon AS-P371-001 USPP ASP371001

Schneider Modicon AS-B350-001 OUTPUT MOD. B350001 ASB350001

Schneider Modicon AS-8535-000 HIGH-/LOW-DENSITY CONNECTOR NIB

MODICON TELEMECANIQUE MAGELIS OPERATOR INTERFACE TXB TF024510E PARTS/REPAIR

SIEMENS Simatic S7 6ES7 421-1BL01-0AA0 Digital Input Module

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SIEMENS SIMODRIVE 6SN1123-1AA00-0DA2

SIEMENS E Stand 1P 6FC5111-0CA73-0AA1 6FC50000CA730AA1

Advantech POS-7671

ALLEN-BRADLEY 2711E-K10C6 PANELVIEW 1000E OPERATOR INTERFACE

ABB 6400R M2000 robot with S4C+ control system

Acterna JDSU ANT-20 SE Advanced Network Tester ANT-20

6ES5252-3AA13

8520-VOP ALLEN BRADLEY MONITORS CRT REMANUFACTURED

SIEMENS 6SE7-018-0TA20 USPP 6SE70180TA20

BAILEY CONTROLS IMMFP-02 NSPP IMMFP02

ASEA BROWN BOVERI YT204001-AA USPP YT204001AA

MODICON AM-C986-004 USPP AMC986004

INDRAMAT MDD093C-N-030-N2L-110PB0 USPP MDD093CN030N2L11

ASEA BROWN BOVERI SMPS-7738-E USPP SMPS7738E

URYU SEISAKU UCD-150 USPP UCD150

Siemens 6ES5-451-2BA11 USPP 6ES54512BA11

SIEMENS 6ES5 700-1LA12 6ES57001LA12

SIEMENS S5 6ES5 375-1LA41 6ES53751LA41 Memory

Siemens S5 6ES5431-8MA11 Digital Input Module - 8DI24V

Siemens 6ES7 972-0BB12-0XA0 6ES7972-0BB12-0XA0 Profibus

Siemens S7-200 Cartridge Battery 6ES7 291-8BA20-0XA0

Siemens 3RX9501-0BA00

HONEYWELL Q7330A-1004 INTERFACE MODULE NIB

Waters Millipore Simbox System Interface Module

SIEMENS 6EC1-000-3A 6EC10003A

Siemens LOGO! 6ED1 052-1CC01-0BA6 NIB + LOGO USB Cable

Omron 3G2A6-PR015-E

Schneider Modicon AS-J890-001/ASJ890001 Beautiful condition

Schneider Modicon PROGRAMMABLE CONTROLLER AS-584L-231 230V

Schneider Modicon AS-H827-100 NSPP ASH827100

Schneider Modicon LOT OF 2 AS-8534-000 I/O DENSITY CONNECTOR

Schneider Modicon AS-C921

Schneider Modicon SCHEIDER POWER SUPPLY AS-P810-000 ASP810000 115/230V 2A

TELEMECANIQUE Modicon TSX-3708-001 TSX3708001

Schneider Telemecanique TM2DDI16DT MODICON PLC

Siemens U-05T U05T Output Module

SIEMENS 6AV3688-3ED13-0AX0 PP17-II PUSH BUTTON PANEL

SIEMENS Sinumerik 6FC5203-0AF02-0AA0 PCU 50 Display

GE Communications Control Module IC693CMM311K

SIEMENS SIMODRIVE VPM 120 6SN1113-1AA00-1JA0

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 2ST

SIEMENS 07-09KIAAMANTIKEYLESSREMOTEFCC:SY55WY8412 VDOGOOD CONDITION

Allen-Bradley Analog Output Module 1771-OFE2/B

AB,ALLEN-BRADLEY BULLETIN GMC DIGITAL SERVO CONTROR 10KW 1394 ,AXIS 10KW,CK

AC Power AFC-11005A Single Phase In Single Phase Out Power Suppy

A06B-0759-B200#3000 FANUC AC SERVO SPINDLE REMANUFACTURED

75HP 3PH 460V VFD TECO WESTINGHOUSE VARIABLE FREQUENCY DRIVE JNTEBGBB0075AZ

REXROTH 0-608-830-093 USPP 0608830093

ALLEN BRADLEY 6160-PCD4 USPP 6160PCD4

ALLEN BRADLEY 2706-F21J USPP 2706F21J

INDRAMAT MDD093C-N-030-N2M-110PA1 USPP MDD093CN030N2M12

YASKAWA ELECTRIC JANCD-SV02C NSPP JANCDSV02C

WESTINGHOUSE PC-1200-1042 USPP PC12001042

ITE SIEMENS NF355H USPP NF355H

Siemens 6ES5-250-1AA11 USPP 6ES52501AA11

SIEMENS 6ES5 380-7AA11 6ES53807AA11

SIEMENS PLC 6ES5 306-7LA11 Interface

Siemens BUS TERMINAL SINEC L2 RS485 OVR 6GK15000AB

Siemens 6ES7 153-2BA02-0XB0 6ES71532BA020XB0 NIB

Siemens OP17 6AV3617-1JC00-0AX1 in Box

RELEASE SuperMicro X9SRE-F Motherboard FULL MFR

Texas Instruments 505-7002

Sunpak MX-2D Interface Module. 11104

TYAN Tempest i5000PX S5380 Inb Socket 771 Server MOTHERBOARD S5380G2NR

SIEMENS CPU 224 6ES7-214-1BD22-0XB0 6ES72141BD220XB0 Worldwide

Modicon FA3240

Schneider Modicon /Schneider AS-B872-100/ASB872100 Analog Output NICEOFFERS ACCEPTED

Schneider Modicon ASB827032 SEALED 24VDC Input Module AS-B827-032

Schneider Modicon AS-BDEP-217 ASBDEP217 24VDC Input FS

Schneider Modicon AS-BDEP-209 GUARANTEED ASBDEP209

Schneider Modicon -AS-521P-011

Schneider Modicon DEP 220/ AS-BDEP-220 Input Module

Schneider Telemecanique ATV31HV30N4A NIB

SCHNEIDER INPUT MODULE TSXDEY32D2K

Qlogic QLE8142-SR 10Gb CNA Dual Port PCIe HBA FCoE with 10Gb optical SFP

SIEMENS 6ES5-453-4UA12/6ES5453-4UA12 OUTPUT MODULE NIB

SIEMENS 6DD1601-0AE012 mo. warrantyFree UK/EU ShippingPrice Inc UK VAT

Mercedes W215 W220 R230 navigation communication module

SIEMENS Simodrive 6SN1123-1AA00-0DA1

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

SIEMENS /MOORE 39BCMNBN APACS BCM MODULE A5E00282273/05

ALLEN-BRADLEY SPILLPROOF KEYBOARD 6189-KBE1 GOOD

Allen Bradley SLC 500 1746-0A16 Series D Output Module

ABB ROBOTICS SERVO MOTOR 1FT3078-5AZ21-9-Z

A06B-0147-B084#0076 FANUC SERVO MOTORS REMANUFACTURED

0-51828 RELIANCE ELECTRIC NDIA CARD 051828

NIKKI DENSO NPST-E USPP NPSTE

ALLEN BRADLEY 1756-L62 NSFP 1756L62

ALLEN BRADLEY 1336F-BF100C-AA-HA2C NSFP 1336FBF100CAAHA2

GENERAL ELECTRIC AK-2-15 USPP AK215

SYMAX 8020-SCP-424 USPP 8020SCP424

SIEMENS D400/50-MREQ-GDG8V70 USPP D40050MREQGDG8V7

BENTLY NEVADA 18745-03 NSFP 1874503

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S Hp Virtual Conn 8Gb 20port Fibre Chan Mod 572018-B21

Telemecanique LA1-LCO8OBD

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Siemens 6SE7041-8EK85-0LA0 C98043-A1695-L Control Board

Modicon AS-M680-116