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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。”
　　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。

SIEMENS 6ES5 314-3UA11 6ES53143UA11

Siemens BT8004

Omron 3G2A5-RT002-EV1

Schneider Modicon Input Module DEP210 AS-BDEP-210 13406

Schneider Modicon AS-BDEP-220 BRAND Guaranteed Discreet Input ASBDEP220

Schneider Modicon AS-B373-000 USPP ASB373000

Schneider Modicon AS-T190-000 USPP AST190000

Schneider Modicon AS-BDAP-209 PLC

Schneider Modicon AS-B824

MODICON AS-B572-010 OUTPUT MODULE 0-10V ANALOG

Siemens Input Module 6ES5420-7LA11

SIEMENS 6DD1640-0AC0 EM11 I/O MODULE PG16

Siemens Output Module 505-4832

SIEMENS Simodrive / Sinumerik E52930-A3210-C5-B1 Board.

Tellabs 81.5512B GCM Rev I & J Telecommunication x8 Modules Cards/Boards

SIEMENS 6SN1118-0DM11-0AA1 6SN11180DM110AA1 SimoDrive

SIEMENS Simodrive 1FT5076-0AC01-0-Z _ 1FU1050-6AC _ encoder plug MIA

SIEMENS 6FC5357-0BB15-0AA0 6FC5 357-0BB15-0AA0 SINUMERIK 840D/DE NCU 571.5

Advantech PCM-3810 A2 PC/104

Allen-Bradley 1747-L511 Output Module

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 84810

ADEPT TECH 10310-70200 USPP 1031070200

(#3275) Yaskawa GPD 515/G5 CIMR-G5M4018 30HP AC Drive NIB

HORIBA OPE-435 USPP OPE435

TB WOODS WFC4030-0C USPP WFC40300C

DEMATIC KBF100-B-4 NSFP KBF100B4

COSMOS LS-1842 USPP LS1842

PACIFIC SCIENTIFIC SC-752A001-01 NSPP SC752A00101

MODICON AM-S985-042 USPP AMS985042

GRASEBY CONTROLS 34X030 USPP 34X030

Siemens 6ES5 308-3UB11 IM308 INTERFACE MODULE

Siemens 6ES5-524-3UA15 USPP 6ES55243UA15

SIEMENS 6ES5-372-0AA61/6ES5372-0AA61 EPROM MEMORY SUB-MODULE XLNT

Siemens 6ES5 103-8MA03 CPU Module 20K 24V WOW

Siemens 6ES5-375-0LA41 6ES53750LA41 N355

Siemens 6GK7 443-1EX11-0XE0 6GK74431EX110XE0 NIB

Siemens TP177B 6AV6642-0BA01-1AX0 Touchscreen Glass

Siemens 6ES5701-2LA11

Laerdal Medical Corp Monitor Interface 5060 Interface ALS Module 399

YASKAWA ELECTRIC JAMSC-B1074-1 USPP JAMSCB10741

SIEMENS 6ES7 222-1HF21-0XA0 6ES7222-1HF21-0XA0 FreeShip

Siemens OP277 6AV6643-0BA01-1AX0 Membrane Keypad

Red Lion LIBC1E00

Schneider Modicon AS-B821-108 ASB821108 Input Module

Schneider Modicon AS-884A-101 Processor Module 60 DAY WARRANTY

Schneider Modicon AS-P120-000

Schneider Modicon AS-B236

Schneider Modicon AS-516P-007 Processor Board Rev C16 AIND/UVG

Modicon XBTF024110 Magelis Operator Interface XBT F024110 24VDC 35W V1.1 3244

Siemens Simatic s7-300 analog b module 6ES7 331-7KB02-0AB0

TELEMECANIQUE TSX-AEY-1600 TSXAEY1600

Siemens Simatic S5 6ES5 441-8MA11 Digital Output Module

Siemens 9610 9610EH-1156-JZZB NIB Power Meter Display ION Ethernet Access

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

SIEMENS 6SN1118-0DM33-0AA2 6SN11180DM330AA2 Servo

SIEMENS Simodrive 6SN1123-1AB00-0AA0 LT-MODUL Version A

SIEMENS I/O MUDULE BOARD 64EY32AUSGAENGE 6FC3984-3RA USMT CNC

Advantech PCM-3641 4-port RS-232 High-Speed Module FS

ALLEN-BRADLEY 2711-k6C2L1 PANELVIEW 600 TOUCH SCREEN TESTED

ABB 58031844 Mem86-3 192K AB Stromberg

ACOPOS SERVO DRIVE BV1320.00-2 SELLING AS IT IS

AAT-AAT1105A-T1-T SOP IC Original Packing

8510A-A11-A2 ALLEN BRADLEY CONTROLLERS REMANUFACTURED

SIEMENS 6RY1-243-0AA00 USPP 6RY12430AA00

ATLAS COPCO ETD-S7-50-13-CTADS USPP ETDS75013CTADS

ASEA BROWN BOVERI DCS502-B02505121 USPP DCS502B02505121

MITSUBISHI MR-J2S-11KB NSFP MRJ2S11KB

INDRAMAT MAC112D0ED1B130 USPP MAC112D0ED1B130

APW MCLEAN M17-0216-G009H USPP M170216G009H

TEST PRODUCTS T73879 NSPP T73879

Siemens 6ES5-440-5AA11 USPP 6ES54405AA11

SIEMENS 6ES5 482-8MA13

SIEMENS S5 6ES5 267-8MA11 6ES52678MA11

Siemens S5 6ES5 450-8MB11 Digital Output Module

SIEMENS 6ES7 621-1AD01-0AE3 C7-621 99%

Siemens RWX62.734/509 Controller

PreSonus FireStudio Firewire Mobile Studio Interface Bundle Extended

Honeywell 51400955-100 DCS Process Network Interface Board Module Card

Volvo V70 S60 01-06 GROM USB interface car module Bluetooth AUX iPhone VOL01U2P

Siemens 6DD1607-0CA1 6DD1 607-0CA1 in Box

Siemens LOGO! 12/24RC 6ED1052-1MD00-0BA6 NIB

Omron 3G2A5-MP00

Schneider Modicon AS-P120-000/ASP120000 Power Supply SEALED

Schneider Modicon BOARD AS-521P-011 REV 35 /REPAIRED

Schneider Modicon AS-H819-007 NSFP ASH819007

Schneider Modicon Gould/ AS-2802-000

Schneider Modicon AS-BDAP-216

Schneider Modicon Quantum 140CPS11420 Power Supply AS-IS

Telemecanique Digital Operator Panel VL 1006366598

Schneider Telemecanique Modicon TSX3721001

Siemens6ES5-452-8MR11Output Module 4POINT 24VDC

Siemens 6AV6 545-0BA15-2AX0 6AV65450BA152AX0 Panel

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

GE FANUC ENHANCED COMMUNICATION MODULE IC693CMM302F

SIEMENS WARRANTY Control Board w/ 6SN1114-0AA01-0AA0

SIEMENS SINUMERIK 3/800 6FC3988-7AH20 TESTED WARRANTY

SIEMENS Moore 1/4" Air Filter Regulator 91F60 Airco 03340-60

ALLEN-BRADLEY DATALINER OPERATOR INTERFACE CAT2706-D21J8

A-B NIPPONDENSO 8500-A2D-L1B AC Servo Motor [PZ4]

AC Motor Inverter - 60 HP - 600 Volt - Three Phase Input

A06B-0572-B372#7076 FANUC SERVO MOTORS REMANUFACTURED

750 kVA Transber OLSUN Electronics 12470-480/277 - Built in 02/97 Indoor Dry

RELIANCE ELECTRIC DSA-MTR-60D USPP DSAMTR60D

ALLEN BRADLEY 5130-KAA USPP 5130KAA

ALLEN BRADLEY 200042 NSPP 200042

INDRAMAT HDS03.2-W100N-HS76-01-FW USPP HDS032W100NHS760

YASKAWA ELECTRIC CACR-SR30-TZ6SM USPP CACRSR30TZ6SM

WEST ELECTRONICS M-3800 NSPP M3800

HONEYWELL TC-CCR012 NSFP TCCCR012

Siemens 6ES5-244-3AA11 USPP 6ES52443AA11

SIEMENS 6ES5 376-1AA21 SUB-MEMORY MODULE IN BOX

SIEMENS Input Module 6ES5 436-4UB12 SURPLUS Opened Box

Siemens Adaption Casing 6ES5-491-0LA12 17790

Siemens 6ES6400-0EN00-0AA0 Micromaster Encoder FreeShip

SIEMENS MP370 12.1" 6AV6545-0DA10-0AX0 Touch Screen Display Glass

Reliance AutoMax SA 500 AC power module servo amplifier 615055-1S

Texas Instruments 505-4316

Statec Magnetic Memory Interface Module PPS8500DSS2C2

UC520-16U-4FXO-K9 CISCO 16U CME BASE CUE PHONE FL W/4FXO 1VIC

Siemens Contactor 3TF35-11 3TF3511 3TF35-11-0XM0 AC220V in Box

Modicon AS-W978-050

Schneider Modicon Pat Harrington Jr as from One Day At A Time 8X10 PHOTO 1

Schneider Modicon AEG/GOULD/MODICON/ AS-C484-265 MAINFRAME CONTROLLER RFB

Schneider Modicon AS-BDEP-013 NSPP ASBDEP013

Schneider Modicon AS-BDAP-212 Compact Combo Module ASBDAP212

Schneider Modicon -AS-2184-011

Schneider Modicon DAP 216 / AS-BDAP-216 DISCRETE OUTPUT CARD MODULE 16 X 24 VDC

Schneider PLC 140 ACO 13000 140ACO13000 NIB Sealed

SCHNEIDER MODICON TSX QUANTUM 24VDC SOURCE INPUT MODULE 140 DDI 353 10

QY22 Mitsubishi PLC 16 Point Triac Output Card

SIEMENS 6ES5-456-4UA12/6ES5456-4UA12 DIGITAL OUTPUT MODULE NIB

SIEMENS SINUMERIK 6FC5203-0AF02-0AA1 MembraKeypad - OP012 free ship

MITSUBISHI COMMUNICATION MODULE A1SJ71QC24N R2 RS-232-C

SIEMENS SIMODRIVE 6SN1118-0DM21-0AA0 6SN11180DM210AA0

SIEMENS SINUMERIK CONTROL DRIVE MODEL 6FC 3451 OJA Z

SIEMENS 3Wa

Allen-BradleyPanelView 1200 Operator Interface 2711-TC1

Allen Bradley SLC 500 1746-OB32 Ser D 1746-0B32 Output Module

ABB robot, Fanuc robot, Motoman robot, Nachi robot,

A06B-0143-B188 FANUC SERVO MOTORS REMANUFACTURED

0190-09379 wPCB ASSY VME CPU SYNERGY UPGRADED

MTS SYSTEMS CO MPAZ-100-460-206 USPP MPAZ100460206

ALLEN BRADLEY 1756-L1M1 FNFP 1756L1M1

ALLEN BRADLEY 1336-B010-EAD-FA2 USPP 1336B010EADFA2

GENERAL ELECTRIC 502997 USPP 502997

SQUARE D PA360000M USPP PA360000M

SIEMENS 6SE3217-3DB40 NSPP 6SE32173DB40

AUTOMATION INTELLIGENCE 8207D82 USPP 8207D82

Siemens 6ES5 944-7UB11 -- 6ES59447UB11

Siemens Simatic S5 6ES5 526-3LF01 6ES55263LF01

SIEMENS 6ES5-701-1LA12 NSFP 6ES57011LA12

Siemens 6ES5 482-4UA20/6ES54824UA20 I/O Ver 02 SEALED OFFERS ACCEPTED

Siemens 6AV3503-1DB10 OP3 ping Worldwide

Siemens Inverter 6SE6420-2UC25-5CA1 6SE64202UC255CA1 in Box

Sans Digital HA-ARC-ARC1223X 2-Port Mini-SAS 6G SAS/SATA PCIe 2.0 x8 Controller

Superior Electric M063-FD09

SIEMENS Interface Module 6ES5 752-0AA43 WITH PAPERWORK

SER C F/W REV A PKG DATE 07/18/2011

Siemens 6SE7028-0ES87-2DA1 6SE7 028-0ES87-2DA1 FreeShip

Siemens USB/PPI+ USB PPI+ PLC Cable 6ES7 901-3DB30-0XA0

Schneider Modicon AS-BDEP-209 ASBDEP209 8 AC Input NIB

Schneider Modicon ASB875111 Analog Input Module AS-B875-111

Schneider Modicon AS-B840-108 USPP ASB840108

Schneider Modicon AS-B258-101 Analog MUX Mercury Relay 0 To 10 V B258-101

Schneider Modicon B872 4-20MA ANALOG CURRENT OUTPUT MODULE AS-B872-100 NO TERMINAL

Schneider Modicon AS-H827-107/ASH827107 Chassis Rack

SCHNEIDER MODICON TC2000 INDUSTRIAL PC OPERATOR INTERFACE 3515 KPM CASE BACK

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

ROBOTRON 503-1-0324-07 USPP 5031032407

SIEMENS BREAKERS P/N: 1EC 60947 VDE 0660

SIEMENS Sinumerik CPU Slave 6FX1111-0AN02 E Stand E & 00

RELIANCE ELECTRIC AUTOMAX NETWORK COMMUNICATIONS MODULE 0-57404-1E

SIEMENS CONTROLLER CARD 6SN1118-0DM33-0AA0

SIEMENS 6SN1118-1NH01-0AA1 6SN1 118-1NH01-0AA1 SIMODRIVE 611-U Control Unit

SIEMENS 6FC5-110-0BB01-0AA1

AllenBradley2711P-RDT7C/C2711PRDT7CPanelviewPlus

ALLEN BRADLEY VersaView 1500M OPERATOR INTERFACE DISPLAY 6186-M15AL SER. B

ABB IEPAS02 SEAL DATE 11-29-10 POWER SUPPLY SEALED

ADVANCED ENERGY MDX DC power supply, lots of 7

(N2-3) 1 ROBOTRON 323-0-0102-00 CONTROLLER N2-3

MEASUREX 053669-01 USPP 05366901

ALLEN BRADLEY 1336-B050-EAG-FA2-L2-S1 USPP 1336B050EAGFA2L2

GE FANUC IC600LX680 USPP IC600LX680

FANUC A16B-0160-0471 USPP A16B01600471

SIEMENS 6AV7-500-0BA00-0AA0 NSFP 6AV75000BA000AA0

RELIANCE ELECTRIC 2GU42001 USPP 2GU42001

SIEMENS 6ES7-315-2EG10-0AB0 USPP 6ES73152EG100AB0

Siemens 6ES5 470-4UB12 6ES54704UB12

Siemens 6ES5-945-7UA13 USPP 6ES59457UA13

SIEMENS 6ES5-440-8MA11 USPP 6ES54408MA11

Siemens 6ES5 777-0BB01 SINEC L1S5 BT 777

Siemens S5 6ES5 944-7UA12 6ES59447UA12

Siemens C98043-A1052-L1 03

SIEMENS 6ES5 482-8MA13 DIGITAL I/O MODULE

Square D 8020 SMM-710

Omega IM-Loader2 PC to Module Interface Cable

WS-C3560-24TS-S Cisco Cat 3560 SWITCH 24 10/100 2 SFP SLOTS

Siemens 6ES7314-1AF10-0AB0 6ES73141AF100AB0

Siemens Simodrive 6SE1200-1GA36-2

Reliance Motomatic II

Schneider Modicon ASP890000 EXCELLENT Slot Mount Remote I/O Processor AS-P890-000

Schneider Modicon AS-B545-000 USPP ASB545000

Schneider Modicon AS-W513-010 USPP ASW513010

Schneider Modicon AS-BDEP-210 ASBDEP210

Schneider Modicon AS-B825-016 24vdc Input Module XLNT

MODICON AS B828-016 OUTPUT MODULE 5VDC 16 PT

Siemens HTRI-D Addressable Dual Input Module- for FS-250 XLS

SHARP ZW-162N USPP ZW162N

SIEMENS OPERATOR INTERFACE PMU 6SE7090 0XX84 2FA0 2FAO

SIEMENS Sinumerik 6EV3053-0DC. Power Supply Module.

Tektronix TDS2CMAX Module forGPIB IEEE488 RS232 Communication TDS1K & TDS2k

SIEMENS 6SN1118-0NH00-0AA2 6SN11180NH000AA2

SIEMENS Simatic Simodrive Card C98040-A1087. .

SIEMENS 6FC5303-0AA02-0AA0 HANDWHEEL CONNECTION MODULE XLNT

Advantech POS-562 REV.A1

Allen-Bradley 1746-NO4V SLC 500 4-Ch Analog OUTPUT Module

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88138

ADEPT TECH 10330-15350 USPP 1033015350

(000 no lot) Fanuc PLC 10 s rack 7cards IC693CHS391C IC693CPU331S . PRISTINE

INDRAMAT CLM01.3-X-0-2-B-FW USPP CLM013X02BFW

TELEMECANIQUE ATV-58HD33N4ZU NSPP ATV58HD33N4ZU

EDWARDS MC4160-C14 NSFP MC4160C14

CUTLER HAMMER 92005401 USPP 92005401

PHOENIX CONTACT IBS-ISA-SC/486DX/I-T NSFP IBSISASC486DXIT