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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?！?br /> 　　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。

MODICON MM-PMC2-300 OPERATOR INTERFACE PANEL

Siemens 6ES5420-4UA13 Digital Input Module 32 DI 24VDC SIMATIC with Warranty

TELEMECANIQUE TSX-ASZ-200 TSXASZ200

SIEMENS OUTPUT MODULE 6ES5-452-8MR11

SIEMENS SINUMERIK 840D/DE NCU 573.4 6FC5357-0BB34-0AE0 NIB

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GE Fanuc CCM IC655CCM500 communication module

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SIEMENS ACROMAG/SIEMENS/MOORE 15494-126-5/15494-268/1018-228F XLNT

Allen-Bradley Analog Output Module User's Manual_1987_95510323

AB Stromberg 200052 ABB 57275812 AIO86-8/4 3100-AIO

AC Motor Speed Control VFD - 30 HP - 600 Volt - Three Phase Input

A06B-0754-B200#3001 FANUC AC SERVO SPINDLE REMANUFACTURED

750T45HPM SQ D Transber 750KVA 3PH 12470/480V

RELIANCE ELECTRIC UGZ3455 USPP UGZ3455

ALLEN BRADLEY 5370-CVIMC USPP 5370CVIMC

ALLEN BRADLEY 2364-SPE12A NSFP 2364SPE12A

INDRAMAT MAC112C-1-HD-3-C/130-A-0/S005 USPP MAC112C1HD3C130A

YASKAWA ELECTRIC DDSCR-GL70H3 USPP DDSCRGL70H3

WESTINGHOUSE A206J3MJA-AC NSPP A206J3MJAAC

INTERMATIC UG30A2403D USPP UG30A2403D

Siemens 6ES5-247-4UA31 NSFP 6ES52474UA31

SIEMENS 6ES5 377-0AB21 6ES53770AB21

SIEMENS OP-393 II 6ES5 393-0UA12 OP393 6ES5393-0UA12

Siemens BOARD 6ES5-410-0AA12 6ES5 410 0AA12 6ES54100AA12 SIEMEN

Siemens 6ES7 151-1AA04-0AB0 6ES7151-1AA04-0AB0 FreeShip

Siemens OP Program Cable 6XV1440-2KH32

RELIANCE 0-57405-E O-57405-E I/O PLC MODULE ANALOG DCS HD-400X36-TUFR MODULE -

Texas Instruments 505-4908

SUNPAK INTERFACE MODULE HA-1D FOR USE WITH HASSELBLAD 503CX 500ELX CAMERAS

TYAN TRANSPORT VX50 B4985 Thunder n4250QE S4985 OPTERON Barebone B4985V50V4H-4P

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Modicon DI-1135-000

Schneider Modicon /Schneider AS-BDAP-218 TSX Compact DAP 218 Discrete Output module 8x24

Schneider Modicon ASB803008 115VAC Input Module AS-B803-008

Schneider Modicon AS-BDEP-214 USPP ASBDEP214

Schneider Modicon AS-BDAP-220 Discreet Input/Output Combination Module ASBDAP220

Schneider Modicon -AS-516P-002

Schneider Modicon DEP 216/ AS-BDEP-216

Schneider Telemecanique Analog Output Module TM2AMO1HT

Schneider Modicon AS-BDEP-216/DEP 216 Discrete Input Module

QLogic SANbox2-64 modular Fibre channel fabric switch 64 ports

SIEMENS 6ES5454-4UA11 SIMATIC OUTPUT MODULE 16PT QUANTITY

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METSO U4440123 V1.1 MAKA PCB ASSLY COMMUNICATION I CONTROL MODULE F4310209 48568

SIEMENS Simodrive 6SN1123-1AA00-0AA1 6SN11231AA000AA1

SIEMENS SINUMERIK 840DE 6FC5357-0BB11-0AE0 NCU 571.2

SIEMENS /MOORE 39PSMNAN APACS PSM MODULE 16013-1/2ME

ALLEN-BRADLEY VERSAVIEW 1500P CAT 6181P15NS2KH/B

ALLEN BRADLEY SLC 500 1746-OA16 OUTPUT MODULE

ABB ROBOTICS DSQC 317 3HAB2220-1 MEMORY MODULE EXPANSION BOARD 6MB 77484

A06B-0147-B077#7008 FANUC SERVO MOTORS REMANUFACTURED

03400 SIEMENS TYP 03400-A NR.340884 GE.548 184.0001.00 (SINUMERIK 3T)-AT DUBAI

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ALLEN BRADLEY 1756-L60M03SE NSPP 1756L60M03SE

ALLEN BRADLEY 1336-C005-EAD USPP 1336C005EAD

GENERAL ELECTRIC 6VAF554 USPP 6VAF554

STEARNS 1081011A2FBF USPP 1081011A2FBF

SIEMENS 6SE9-216-8CB40 NSFP 6SE92168CB40

BARBER COLMAN 80BE-00044-212-V-00 USPP 80BE00044212V00

Siemens 6ES5 945-7UA21

Siemens SIMATIC S5 6ES5 945-7UA13

SIEMENS 6ES5-712-8BC50 NSFP 6ES57128BC50

Siemens 6ES5 490-8MA12 NSFP 6ES54908MA12

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Siemens K-TP178 6AV6 640-0DA11-0AX0 Protective Film

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SIEMENS INTERFACE MODULE DUAL LOCAL LINE NETWORK 505-7339 SEALED 5057339

Wago ETHERNET 750-880 Starter Kit 2.0 51262278 ETHERNET-STARTERKIT 2.0

Siemens 6SE7038-6GL84-1BG2 6SE7 038-6GL84-1BG2 6SE70386GL841BG2 NIB

Modicon AS-M484-104

Schneider Modicon AS-BDAP-209

Schneider Modicon ASB872002 Excellent Analog OUT Module AS-B872-002

Schneider Modicon AS-B863-001 USPP ASB863001

Schneider Modicon AS-BDEP-209 ASBDEP209 8 AC Input

Schneider Modicon Card Module NUL 200/AS-BNU1-200

Schneider Modicon AS-HDTA-200/ASHDTA200 Primary rack OFFERS

Schneider Modicon MM-PM15-401 MMPM15401 MMPMMP003C

SIEMENS 6ES5 463-4UB12 ANALOG INPUT MODULE

RIS TM-2482-P13-000-P2-00-RE-00 TEMPERATURE MONITOR 117

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SIEMENS Sinumerik FBG Module 6FX1126-5AA01 E Stand C

Reliance Electric 0-57404-1E 0574041E Network Communications Module Repaired

SIEMENS Drive 6SN1112-1AB00-0AA1

SIEMENS SUN SG-XL8500-SDLT6FC SDLT600 FC Tape Drive SL8500

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AllenBradley2711-K10G16/C2711K10G16Panelview

Allen Bradley Versa View 1500H 6189-RDT15CA 2711P-RN6 6182-15TEH6B

ABB IRB 1400 SER 14-20050 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Energy RFPP RF10S 7520709010

(O1-10) 1 G&L MOTION CONTROL M.1302.1226 SERVO MOTOR O1-10

MEASUREX 09437701 USPP 09437701

ALLEN BRADLEY 1336F-B020-AA-EN-HAS1-L4 NSFP 1336FB020AAENHAS

GE FANUC IC752WTD805-CB USPP IC752WTD805CB

FANUC A16B-1211-0150 USPP A16B12110150

SIEMENS 6DS1-211-8AA USPP 6DS12118AA

RELIANCE ELECTRIC 45C-37B NSFP 45C37B

SIEMENS 6GK7-343-1HX00-0XE0 USPP 6GK73431HX000XE0

Siemens 6ES5 470-7LA12 6ES54707LA12

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Square D 8030 CC-30

OMRON C500-IP004-E PERIPHERAL INTERFACE MODULE

WS-C2960S-24TS-L CISCO 2960S-24TS SWICTH W/1 YR -WSC2960S24TSL Fast Sh

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SIEMENS SINUMERIK 6FC5203-0AF00-0AA0 Membrane Keypad

Saftronics CIMR-G3U21P5

Schneider Modicon AS-P120-000ASP120000

Schneider Modicon AS-B552-000 NSPP ASB552000

Schneider Modicon AS-W801-002 NSPP ASW801002

Schneider Modicon AS-BDEP-218 Discrete Input Mod.

Schneider Modicon AS-B827-032 24 VDC Input ASB827032

MODICON AEG PANELMATE PLUS OPERATOR INTERFACE MM-PMC2-200 PARTS OR REPAIR

SIEMENS Digital Input Module 6ES5436-4UA12 NIB Box Opened to Meke Pictures

SFP-GE-Z CISCO GENUINE 1000BASE-ZX GIGABIT ETHERNET SFP DOM

Siemens OP-393 II C 6ES5 393-0UA13 OP393 6ES5393-0UA13 OP 393-II C

SIEMENS Sinumerik 6FC5110-0DB01-0AA1 E.Stand J CPU Interface Module

Standard Communications TVM450 TV Modulator refurbished

SIEMENS 6SN1122-0BA12-0AA0 Drive Logic Section

SIEMENS Circuit Board 6SC6300-0FE01 SIMODRIVE

SIEMENS 6FC5247-0AF11-0AA0 6FC5 247-0AF11-0AA0 Direct Control Key Module

Advantech RS-422/485 Isolated Repeater ADAM-4510S

ALLEN-BRADLEY 1734-OA2 120/230 Vac 2 Channel Output Module IN BOX

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88228

ADEPT TECH 10332-11400 NSPP 1033211400

(1000 pcs) x DS4E-S-DC5V PANASONIC/ AROMAT RELAY

INDRAMAT DDS02.1-W050-DA01-00 USPP DDS021W050DA0102

TELEMECANIQUE TSX-P474-25 USPP TSXP47425

ENDRESS & HAUSER 83F08-CFUDAANAB3AE NSFP 83F08CFUDAANAB3A

CUTLER HAMMER CPS160220YAH USPP CPS160220YAH

QUALITROL IDM-LSU-MKII NSPP IDMLSUMKII

MODICON AS-P451-522 USPP ASP451522

INDRAMAT PLCB02-02-FW USPP PLCB0202FW

Siemens 6ES5 318-8MB11 6ES53188MB11

Siemens 6ES5-535-3MA12 NSFP 6ES55353MA12

SIEMENS 6ES5-374-1KH21/6ES5374-1KH21 256K MEMORY MODULE XLNT

Siemens 6ES5 318-8MA12 S5 Interface Module

Siemens 6GK1-143-0AB01/6GK11430AB01 Comm Module NICE OFFERS ACCEPTED

Siemens 6RA24 C98043-A1605-L1-5-7 Board

Siemens TP270 LCD Display for 6AV6545-0CC10-0AX0

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LOT 2 Allen Bradley 1492-IFM20D120N INTERFACE MODULE

Yamaha O2R96 VCM Digital Mixer

Siemens 6ES7 223-1PL00-0XA0 6ES7223-1PL00-0XA0 in Box Seal Opened

SIEMENS OP7 6AV3 607-1JC20-0AX0

Reliance 0-51811-1

Schneider Modicon AS-B802-008/ASB802008

Schneider Modicon AS-9385-001 USPP AS9385001

Schneider Modicon AS-P420-61M USPP ASP42061M

Schneider Modicon AS-B550-000 NSFP ASB550000

Schneider Modicon AS-884A-201/AS884A201

MODICON TELEMECANIQUE C1600 W81491349 WELDING VFD OP PANEL DATA ENTRY PANEL

Siemens Simatic S7 1P6ES7 131-4BD01-0AB0 Digital Input Module

Siemens 6ES7 332-5HD01-0AB0 -- 6ES73325HD010AB0

Siemens Simatic Output Module 6ES5440-8MA11 NOS

SIEMENS Sinumerik 6FC5403-0AA20-1AA0 6FC54030AA201AA0

SIEMENS SINUMERIK MODULE DRIVE 1P 6SL3040-0NC00-0AA0 A5E01585149 VERSION CNIB

SIEMENS 2008 Simodrive LT-Modul INT. 15A 6SN1123-1AA00-0AA1

SIEMENS SIMODRIVE 6SN1123-1AA00-0AA1

SIEMENS CONTROLLER CARD 6FC5357-0BB34-0AE0

Advantech Remote Data Acquisition Module ADAM-4017 NIB

Allen-Bradley 2711-B5A5L1 Series H Panelview 550 Touchscreen REV D FRN 3.13

ABB AC 800M PM856 3BSE018128R1 & PM856K01 3BSE018104R1

Acterna JDSU FST-2310 Module w/ OC48 OC12 OC3 For FST2000 TTC 2000 TBERD 2310

6ES71310BL100XB0 Brand , Factory Sealed,

8562EC Portable Spectrum Analyzer, 30 Hz to 13.2 GHz with CAL &

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BAILEY CONTROLS INICT-13A NSFP INICT13A

ATLAS COPCO 4240-0367-81 USPP 4240036781

MODICON AS-521P-011 NSFP AS521P011

INDRAMAT TDM-3.2-030-300-W1 USPP TDM32030300W1

BALDOR BSM90A-1150AA USPP BSM90A1150AA

WESTINGHOUSE 5D32161G02 USPP 5D32161G02

Siemens 6ES5-451-4UA14/6ES5451-4UA14 DIGITAL OUTPUT MODULE NIB

SIEMENS 6ES5 705-0AF00 6ES57050AF00

SIEMENS S5 6ES5 434 7LA12

Siemens S5 CPU 945 6ES5 945-7UA21 6ES5945 6ES59457UA21

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Siemens S7-200 EM231 6ES7 231-7PD22-0XA0 EM 231 AI4xTC

Siemens 3TH4355-3B

HONEYWELL TK-MUX021 REV E SERIAL INTERFACE MODULE

Web Mountain RUC-01 and SPIM-01 UPB Interface KIT Retails 279

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

Siemens LOGO! 6ED1052-1CC01-0BA6 NIB + LOGO USB Cable

Omron 3G2C7-LK202E-V1

Schneider Modicon AS-J812-000 PLC

Schneider Modicon PROM Board AS-506P-008_AS506P008 Rev C_8K of Memory_AS-5O6P-OO8

Schneider Modicon AS-H827-107 NSFP ASH827107

Schneider Modicon MODICON/ AS-B351-001 115 VAC INPUT MODULE XLNT

Schneider Modicon AS-EM85-301

Schneider Modicon Remote I/O Processor AS-P451-622 200

Telemecanique SCHNEIDER TSXDMZ28AR INPUT MODULE

Schneider Telemecanique TSX P57303AM TSXP57303AM

Siemens Touch Panel TP 170A/6AV6 545-0BA15-2AX0 and Bernstein Enclosure

Siemens 6AV3-617-1JC20-0AX1 Operator Interface WOW

SIEMENS Sinumerik 6FX1111-0AM02. CPU Slave Module .

FOXBORO COMP. P0400VP CMP10 PLC COMMUNICATIONS PROCESSOR 10 MODULE REV-0S 51921

SIEMENS SimoDrive Servo Drive Controller 6SN1130-1AD11-0GA0

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA24

SIEMENS MOORE 61VH PNEUMATIC VCH BOOSTER RELAY NIB

Allen-Bradley AB Panelview 1000 Cat 2711-K10C1

AB,ALLEN-BRADLEY BULLETIN SERCOS 1394 DIGITAL SERVO CONTROLLER 1394-SJT10-C-RL #

AC TECH Model # Q14075B 75HP VARIABLE SPEED AC MOTOR DRIVE

A06B-1234-B411#N111 FANUC SERVO PARTS

78092-1R

REXROTH MA4/200-7301-M USPP MA42007301M

ALLEN BRADLEY 6180-ADIDCFBCCZZ USPP 6180ADIDCFBCCZZ

ALLEN BRADLEY 2711-K9A3 USPP 2711K9A3

INDRAMAT TDM1.2-050-300-W1-220 USPP TDM12050300W1220

YOKOGAWA 3760-31-02/D/RS-232C/REM/AK-02/LMP USPP 37603102DRS232CR

XYCOM 3515-01L214103501X USPP 351501L214103501

KLOCKNER MOELLER DP-32DI/P-ECO NSFP DP32DIPECO

Siemens 6ES5-265-8MA01 NSPP 6ES52658MA01

SIEMENS 6ES5 410-7AA11 6ES54107AA11

SIEMENS RELAY OUTPUT MODULE 6ES5 451-7LA11 IN BOX

Siemens Comperator Module 2X Input 6ES5 461-8MA11 SURPLUS

Siemens 6ES7 212-1AB22-0XB0 6ES7212-1AB22-0XB0 FreeShip

Siemens OP177B 6AV6642-0DA01-1AX1 Touchscreen Glass