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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?！?br /> 　　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。

TOSHIBA VT130H2-U-4330 USPP VT130H2U4330

SYMAX 8030-CRM-540 NSPP 8030CRM540

FISHER ROSEMOUNT 1153DB5RC NSFP 1153DB5RC

Siemens 6ES5-095-8ME03 USPP 6ES50958ME03

SIEMENS 6ES5 318-8MB13 ET200U - DP Profibus INTERFACE

SIEMENS 6ES5-931-7AA11 NSPP 6ES59317AA11

Siemens 6ES5 727-2DB00/6ES5727-2DB00 CP 526 PBT 982 CABLE XLNT

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Rigol Digital Color Oscilloscope 60MHz dual CH DS1062CA

Terasaki Electric TM-30D

SNMP Web based IP Interface Four4 Way Relay Module Board Controller

VWIC2-2MFT-T1/E1 CISCO

Siemens C7-633 6ES7 633-1DF02-0AE3 #2 ping Worldwide

Modicon AS-T584-103

Schneider Modicon Automation Inc DAP 216/AS-BDAP-216 DAP216ASBDAP216 Output Module

Schneider Modicon AEG/GOULD// AS-B548-000 I/O HOUSING XLNT

Schneider Modicon AS-B885-100 USPP ASB885100

Schneider Modicon AS-B266-501

Schneider Modicon PC-0984-385 Programmable Controller with AS-9770-000

Schneider Modicon AS-P930-004 Rack

Schneider Automation / Modicon PanelMate Plus MM-PMC2-200 WARRANTY

SIEMANS SIMATIC TI305-02N INPUT MODULE TI30502N

RELIANCE ELECTRIC 0-57405 USPP 057405

Siemens 6ES7145-1GB31-0XB0 EM 145 EXPANSION ANANLOG OUTPUT MODULE

SIEMENS /ASCOM Fraco 77-964-1 SINUMERIK Power Supply Converter 60 DAYS WARRANTY

Omron C200H-LK201-V1 Serial Communications module

SIEMENS SIMODRIVE 611 6SN 1123-1AA00-0CA0 MORE AVAILABL

SIEMENS SINUMERIK PC CARD 6FC5247-0AA11-0AA2 NIB

SIEMENS Lot Elektonik 6FC5248-0AFO6-OAA0 NIB

AllenBradley1771-ODDPLC-5Isolated120VACOutputModule

Allen Bradley SLC-500 Output Mod. 16-Point 1746-OA16

ABB PCB Board YPP110A with YPK112A

Zygo interferometry and data analysis 6202-0132-01

, factory sealed Siemens 6Fx1138-4BA01

MODICON AS-506P-005 USPP AS506P005

ALLEN BRADLEY 1394C-SJT10-T-RL USPP 1394CSJT10TRL

GETTYS 110-094 USPP 110094

GE FANUC 44A399785-G02 USPP 44A399785G02

SIEMENS 6SC9111-2AH25 USPP 6SC91112AH25

SIEMENS 1FT5076-0AF71-1-Z USPP 1FT50760AF711Z

ACME ELECTRIC T-1-37924 NSFP T137924

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Siemens S5 6ES5 458-7LC11 Relay Output Module

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Siemens 6ES5 430-4UA13 6ES5 430 FAST SHIPPING

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Siemens DCS Module 6DR2803-8C NIB

Server Enterprise 3500

Square D 8040 PCM-902

SIEMENS 6ES5 318-8MB11 INTERFACE MODULE IN BOX

WE SHIP SAME CISCO WS-C3750V2-48PS-S SWICTH 1 YR

Siemens 6GK7 342-5DA02-0XE0 CP342-5 DP NIB

Siemens TP177B 6AV6 642-0BA01-1AX1 Touch Glass

Schneider Modicon AS-BDAP-209 115v Output Module

Schneider Modicon ASBDEP210 AS-BDEP-210Compact b

Schneider Modicon AS-B806-032 OUTPUT MODULE 800 I/O 115VAC OUT

Schneider Modicon PC-0984-380 CPU MODULE AS-9507-000

Schneider Modicon AS-P120-000 AC Power Converter

Schneider Modicon AS-B885-100 ASB885100 Motion Module

Schneider/Modicon PLC Analog Output Module 140ACO02000 NIB

SIEMENS 6ES7 321-1BL00-0AA0 SIMATIC S7 INPUT MODULE

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

Siemens Genumerik 3G Board GE.548 190.0001.00 GE548190000100 GE54819OOOO1OO

SIEMENS Sinumerik 805 6FC4100-1AA00-Z Free Ship

SIEMENS 6AV1222-0AD20 Communications Processor Module R6AV1222-0AD20

SIEMENS 6SN1145-1BA00-0CA0

SIEMENS 6SN1114-0AA01-0AA0 SIMODRIVE 611-A SETTING MODULE FOR FEED ENHANCED INTERFACE

SIEMENS 6FC5-114-0AA02-0AA2 USPP 6FC51140AA020AA2

Allen-BradleyPanelView1000OperatorInterfacePanel2711-T10C8SERB

ALLEN BRADLEY X-355028 NSPP X355028

ABB DSAV-111 P/N.57350001-CN 61.2 Hz Video Board

ADI PMI OP227EY OP227EY T6223 IC chip good quality

(9203) Allen Bradley PLC-5/60 Processor Module W/KEYS

INDRAMAT TRANS-01.3 USPP TRANS013

XINIX 1011A-M USPP 1011AM

FANUC A16B-0160-0960 USPP A16B01600960

EMERSON 5A26391H18 USPP 5A26391H18

RELIANCE ELECTRIC 86466-60V NSFP 8646660V

OMRON C500-NC222-E NSFP C500NC222E

OMRON NT30C-ST141-E NSFP NT30CST141E

Siemens 6ES5 441-7LA11 6ES54417LA11

Siemens 6ES5-921-3WB14 USPP 6ES59213WB14

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Siemens 6ES5 441-8MA11 -- 6ES54418MA11

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Spectrum Controls 8000 RDI-132

Motorola Display Interface Module 2 M68DIM2 M68MM01-A2

WS-X4648-RJ45-E CATALYST 4500 E-SERIES 48-PORT 10/100/1000 RJ45

Siemens 6ES7 422-1BL00-0AB0 6ES7422-1BL00-0AB0

SIEMENS RWD82 Controller

Reliance 0-57552

Schneider Modicon John as Bo Duke in The Dukes of Hazzard 24X30 Poster

Schneider Modicon AS-B258-101 O TO 10V ANALOG MUX MERCURY RELAY

Schneider Modicon AS-P965-000 NSFP ASP965000

Schneider Modicon AS-B840

Schneider Modicon AS-B804-016

Modicon MM-PM10-300C PanelMate Plus 1000 MMPM10300C

SIEMENS SIMATIC 505-4032A INPUT MODULE 5054032A

SIEMENS 6ES5101-8RW11 24VDC PLC SIMATIC PROGAMM CONTROL

SIEMENS S5 6ES5 470-7LB12 ANALOG OUTPUT MODULE

SIEMENS 6DD2920-0AD0 LIGHT RECEIVER MODULE IN BOX

SIEMENS Sinumerik 840D NCU Box 6FC5247-0AA00-0AA2 Version G

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SIEMENS Simodrive 611 LT 160A 6SN1124-1AA00-0EA1

SIEMENS 6FC9348-2CZ Servo Cable WOW

Advantech PCA-6003 PCA-6003V

Allen-Bradley 1771-OBD/C DC Output Module 10-60VDC

ABB ACS800-04M-0320-3 VSD AC Drive

ADE 7000 system 14 station, 7200 system 9 station

6ES7614-1AH03-0AB3 Brand , Factory Sealed,

92-00273-09/09-00150 EATON MONITORS CRT REMANUFACTURED

SQUARE D PXF362000 USPP PXF362000

CONTROL TECHNIQUES SPMD1604S USPP SPMD1604S

BOSCH 0811-404-656 NSFP 0811404656

NACHI MFM452H5V NSPP MFM452H5V

MEASUREX 09806710 USPP 09806710

FANUC A16B-1211-0060 NSPP A16B12110060

Siemens 6ES5 185-3UA13 6ES51853UA13

Siemens 6ES5-470-4UA11 USPP 6ES54704UA11

SIEMENS 6ES5-095-8MA02/6ES5095-8MA02 CPU MODULEXLNT

SIEMENS S5 6ES59417UA21 6ES5 941-7UA21

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Siemens Supply Fuse 3NA3 820-2C 50A

Siemens 6ES5385-8MB11

Interface Masters Niagara 2295 RJ with 2 2295D-RJ modules

YOSHIMURA FOR POLARIS XP900RZR 2012

SIEMENS 6ES5-925-3KA12 6ES59253KA12

Siemens MP277-8 6AV6 643-0CB01-1AX1 Touchscreen Glass

Oriental Motor SS31MA-J

Schneider Modicon AS-B885-100 ASB885100 Motion Module

Schneider Modicon AS-516P-006 NSPP AS516P006

Schneider Modicon AS-M380-004 MEMORY CARTRIDGE ASM380004

Schneider Modicon AS-8533-003 USPP AS8533003

Schneider Modicon 100-367-1 Interface Card AS-S004-000 Rev A

Schneider Modicon AS-B875-002 ASB875002 Analog Input

SIEMENS U-25N INPUT MODULE NIB U25N

Schneider/Modicon Module TM2AMI4LT NIB

Siemens Sinumerik 820G 6FC3801-3AC-Z 6FC8504-1AX00 CRT Monitor Operator Panel

SIEMENS 500-5016 ANALOG OUTPUT MODULE 5005016

SIEMENS SINUMERIK 820 6FC3261-1AC-Z BACKPLA5703749001.51 TESTED WARRANTY

CISCO WS-SVC-CMM-24FXS Communication Media Module QTY Available

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576S

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 BBA

Advantech Motherboard PCA-6104 NIB

ALLEN-BRADLEY 2750-PA POWER SUPPLY

ABB 3HAB5957-1 16MB Memory Board DSQC 324

ACCURAY 086266-001 SYS SYSTEM SCANNER VME CONTROL BOARD CARD VMEBUS MODULE 85801

A1110616089 RG3-30T4

80C07B Tektronix 80C07B CR1/F6 2.5GHz Optical Sampling Module CAL/

SIEMENS 6ES5-928-3UB21 NSPP 6ES59283UB21

ASEA BROWN BOVERI 57288531 NSPP 57288531

ALLEN BRADLEY 83003C1J1 USPP 83003C1J1

LOUIS ALLIS 46S1676-1010 USPP 46S16761010

HITACHI COMM-2H NSFP COMM2H

ALLEN BRADLEY 1336S-BRF100-AN-EN5 USPP 1336SBRF100ANEN5

RELIANCE ELECTRIC 54339-10 USPP 5433910

Siemens 6ES5-373-0AA81 USPP 6ES53730AA81

SIEMENS 6ES5 450-8MD11 DIGITAL OUTPUT MODULE

SIEMENS Westinghouse 6ES5 NLIM-2306 Interface Module

Siemens Output Module 8 Point 24VDC 6ES5 451-8MA11 WOW

Siemens 6ES7 291-8GF23-0XA0 64K Memory Card NIB

Siemens PC/MPI+ PC MPI+ PLC Programming Serial Cable

PWR-C45-4200ACV CATALYST 4500 4200W AC DUAL INPUT POWER SUPPLY 1YR - A

GSM Modem Pool 16 Ports RS232 PCI interface Wavecom Module AT Commands Q2403A

Tripp Lite B055001PS2 PS2 Server Interface Module B055-001-PS2

Siemens 6AG1312-5BE03-2AB0 CPU312C

Siemens IM153-1 6ES7153-1AA02-0XB0 6ES7 153-1AA02-0XB0

Modicon SW-AP9D-PDA

Schneider Modicon GOULD 884 CONTROLLER AS-884A-211

Schneider Modicon ASJ890101 RIO Processor AS-J890-101

Schneider Modicon AS-E380-904 NSFP ASE380904

Schneider Modicon AS-S908-012

Schneider Modicon AS-984A-001

Schneider Modicon Module Housing 7 Slot Rack AS-H819-209

Schneider TSX Quantum 140 DAO 853 00 140DAO85300 in Box Open Seal

Schneider Modicon AS-B809-016 NIB

POWER AUTOMATION PAMIO-2416 USPP PAMIO2416

SIEMENS 6ES0-451-8MR12/6ES0451-8MR12 RELAY OUTPUT MODULE XLNT

SIEMENS 6FC53570BA330AE0

Great Condition MEDICAL ASSISTING PATIENT CARE & COMMUNICATION Module A

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 #2KH

SIEMENS SINUMERIK 6FX1133-0BA00 6FC3171-0AB CONTROL OPERATING PANEL MORI SEIKI

SIEMENS 39ACM24BEN ACM Plus 040/4M Advanced Control Module 16139-215/4 APACS

Allen-Bradley Panelview 1200 Operator Interface 2711-TC1X

590A/0350/9/1/00 EUROTHERM DRIVES 115V 10A DC DRIVE

ABB VD86-SCAN VIDEO CONTROL BOARD IN A

A06B-0157-B075#7076 FANUC SERVO MOTORS

74LS51 IC 14 Pin Dip- Dual 2-Wide 2-IN AND/OR/Invert Gate

RELIANCE ELECTRIC 45C-225-D USPP 45C225D

ALLEN BRADLEY 1785-V30B NSFP 1785V30B

ALLEN BRADLEY 150-B54NBD NSPP 150B54NBD

GIDDINGS & LEWIS 1-21783 USPP 121783

TRIDIUM INC JACE-511-UI USPP JACE511UI

TELEMECANIQUE ATS-23C41N USPP ATS23C41N

FOXBORO P0400YE-0J USPP P0400YE0J

Siemens 6ES5-105-3RB41 USPP 6ES51053RB41

SIEMENS 6ES5 373-1AA61 6ES5373-1AA61 6ES53731AA61

SIEMENS 6ES5-951-7LB12 USPP 6ES59517LB12

Siemens 6ES5 756-0AA11 Slot Filler Module

Siemens 6ES5 375-0LA15 6ES5375-0LA15 Memory Card FS

Siemens LOGO! Memory Card 6ED1056-5CA00-0BA0 NIB

REMOTE I/O ADAPTER MODULE PLC 2/3/5 1771-ASB PLC-5

Texas Instruments 305-01AB

Spirent Adtech 400319 /OC48c ATM Single Mode Interface

VMware 1041M-T2B Server 4 Six-Core Istanbul 256Gb RAM

SIEMENS C85139-E1721-A880

Modicon AS-T984-104

Schneider Modicon AUTOMATION DEP 218 TSX COMPACT AS-BDEP-218 DISCRETE 16PT INPUT

Schneider Modicon Automation AS-BDAP-212 BDAP 212 Module

Schneider Modicon AS-BADU-205 NSPP ASBADU205

Schneider Modicon ASB807132 24VAC Input Module AS-B807-132

Schneider Modicon POWER SUPPLY AS-P120-000 OPEN BOX

Schneider Modicon AS-S901-100 I/O Processor Rev A14 AIND/UVG

SCHNEIDER 140-DI0-330-00/140-DIO-330-00 TSX QUANTUM DIGITAL OUTPUT MODULE XLNT

SHARP DC INPUT MODULE JW-212NA

Reliance 57405-E Drive Analog I/O Module 57405E

Siemens 6ES7 322-5GH00-0AB0 OUTPUT MODULE 16DO 24-48VU

SIEMENS SINUMERIK 6FX1122-1AC02 6FX11221AC02

NR&D NIOBRARA UNIVERSAL COMMUNICATION MODULE UCM4-D UCM4D

SIEMENS SIMODRIVE 611 6SN1118-0DK21-0AA0 NIB