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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)計的數(shù)字運算操作的電子裝置。它采用可以編制程序的存儲器，用來在其內(nèi)部存儲執(zhí)行邏輯運算、順序運算、計時、計數(shù)和算術(shù)運算等操作的指令，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)形成一個整體，易于擴(kuò)展其功能的原則而設(shè)計。
　　一種特殊的R&B吹塑機(jī)器有9根伺服液壓驅(qū)動軸——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根用來控制運動。這種機(jī)器包含2個梭子，2個模具，以及2根吹管。運轉(zhuǎn)時，夾具反復(fù)打開和夾緊模具，吹管反復(fù)做上下運動，傳送裝置帶動夾具至型坯正下方，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)升級項目。Chin說：“R&B使用了標(biāo)準(zhǔn)的SiemensSimaticS7PLC來控制這些位置運動。我們提供了一套功能模塊，使R&B能運用PLC進(jìn)行位置控制。其它的機(jī)器可能要使用運動控制器來控制運動，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，這是專用運動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)了運動控制功能，它通過液壓驅(qū)動裝置對各個部件進(jìn)行定位?！?br /> 　　PLC還對30多個區(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個區(qū)域既能加熱又能冷卻，另外18個只能加熱。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)動軸。它不需要特殊的運動控制環(huán)境。加入運動控制功能的PLC相對于專用PLC和獨立的運動控制器而言，具有更出色的性能和更高效的處理能力。

ALLEN BRADLEY Solid State Timer Relay 700-RTC20100U1 WARRANTY

ABB 57086785 DI86-M8/8 AB Stromberg

ACE Technology Limited ACE-1133C Hand-Held Thermal Imager, Night vision device

A20P3CDR-P US THREE PHASE MOTORS REMANUFACTURED

80C04-CR2 Tektronix Optical Sampling Module

SICK OPTIC ELECTRONIC DME2000-000S01 USPP DME2000000S01

ALLEN BRADLEY 1785-V80B USPP 1785V80B

GENERAL ELECTRIC DS3815PMMA1F1B USPP DS3815PMMA1F1B

ASEA BROWN BOVERI 3HAB5957-1 USPP 3HAB59571

MITSUBISHI FR-SF-4-7.5KP USPP FRSF475KP

INDRAMAT HDS03.2-W100N-HS12-01-FW USPP HDS032W100NHS120

ALLEN BRADLEY 7300-UPW-1 USPP 7300UPW1

STI MS46SR-20-1045-Q2-R USPP MS46SR201045Q2R

Siemens 6ES5-431-7LA11 NSFP 6ES54317LA11

SIEMENS 6ES5 464-8MF11 6ES54648MF11

SIEMENS 6ES5-931-8MD11Power Supply Mod 115/230VAC

Siemens S5 6ES5 316-8MA12 IM316 Interface Module

SIEMENS 6ES7 413-1XG02-0AB0 6ES74131XG020AB0

Siemens Rectifier Module GR40

Promise VTrak J630sS hard drive array

HILSCHER CIF-50-PB COMMUNICATION MODULE INTERFACE CIF50PB

Veeder-Root TLS-350 330313-001 PLLD Interface Module

Siemens 6AV6642-0DC01-1AX0 OP177B Membrane Keypad

SIEMENS LOGO 6ED1 055-1FB00-0BA0

Omron 3G2A5-BI081

Schneider Modicon AS-S908-000 PLC

Schneider Modicon AS-H827-107 PLC RACK 11SLOT

Schneider Modicon AS-E908-131 USPP ASE908131

Schneider Modicon Gould Output Module AS-B828-016 WARRANTY

Schneider Modicon AS-BDAO-216

Schneider Modicon PRG CONTROLLER AS-M84A-002 ~ Repaired

Telemecanique ABA 6PT322 Temperature Module

Schneider Telemecanique ATV58 Inverter Operator Panel

Siemens6ES7322-1BL00-0AA0SM322OutputModule6ES7322-1BL00

SIEMENS 6AV6-545-0AH10-0AX0/6AV6545-0AH10-0AX0 TOUCHSCREEN INTERFACE XLNT

SIEMENS Sinumerik 6EV1362-5BK00 24V @ 40Amps.

GE FANUC IC610CCM105D COMMUNICATIONS PROGRAMMABLE PROGRAMER CONTROLLER MODULE

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D 6FC5247-0AA00-0AA26SN1123

SIEMENS SINUMERIK 6FC5 203-0AF02-0AA0 Membrane Keypad

SIEMENS Moore Nullmatic Pneumatic Controller #509M

ALLEN-BRADLEY LOT! CAT 1201-HAZ 2 PROGRAMMING TER.

AB Allen Bradley 2711P-K10C4A1 Color PanelView+ in original ( PRICE)

AC Motor Control Drive - 25 HP - 480 Volt - Three Phase Input

A06B-0502-B072#7008 FANUC SERVO MOTORS REMANUFACTURED

75 HP Rotary Phase Converter with Starter

RELIANCE ELECTRIC 84586-24R USPP 8458624R

ALLEN BRADLEY 4100-214-PRL USPP 4100214PRL

ALLEN BRADLEY 1775-A1 USPP 1775A1

INDRAMAT CLM01.3-X-0-2-0-FW USPP CLM013X020FW

XYCOM 9487-27B2118050000 USPP 948727B211805000

TYCOR PTY4803Y6515F NSFP PTY4803Y6515F

HOFFMAN A-42SA3810LP USPP A42SA3810LP

Siemens 6ES5-242-1AA13/6ES5242-1AA13 COUNTER MODULE XLNT

SIEMENS 6ES5 375-1LA41 MEMORY MODULE

SIEMENS Digital Input Module 6ES5 434-7LA11

Siemens 6ES5 998-0UB53 NSFP 6ES59980UB53

Siemens 6ES5464-8MC11 6ES5 464-8MC11

SIEMENS MP277-10 6AV6 643-0CD01-1AX1 Touch Glass

Reliance Electric 0-57416-K Remote I/O Comm Mod Missing Mounting Clip

Texas Instruments 500-5037A

Square D Modified Differential Ground Fault Interface Module S48891

UPGRADED CISCO1841-HSEC/K9 ROUTER WITH 1YR 1841-HSEC/K9

Siemens CABLE 6ES7 901-0BF00-0AA0 HMI MPI to S7-300

Modicon AS-W903-015

Schneider Modicon AOUTMATION TSX COMPACT DEP 218/AS-BDEP-218

Schneider Modicon HS Counter Module AS-B883-001

Schneider Modicon AS-BDAP-253 NSFP ASBDAP253

Schneider Modicon AS-B885-121

Schneider Modicon /Gould AS-P453-632 Remote I/O Module (UVG)

Schneider Modicon CHASSIS RACK AS-H819-209 AS-9534-02

SCHNEIDER Modicon TSXDSZ08R5

SCHNEIDER TSX QUANTUM ANALOG INPUT MODULE 140 AVI 030 00 043 502 753

Redback AIM-1K-2OC3SM VAC1DEOAAA SMS 1800 2 Port OC3 SM 90 Free Ship

SIEMENS 6ES5-470-4UA13/6ES5470-4UA13 OUTPUT MODULE XLNT

SIEMENS FANUC SINUMERIK Pulse Generator A860-0201-T002

Mitsubishi Melsec A1SJ71QC24N Serial Communication Module

SIEMENS Simodrive 6SN1115-0AA12-0AA0. CNC Cntrl Mod

SIEMENS SINUMERIK HANDWHEEL 6FC9320-5DC00 NIB

SIEMENS 6FC6C9 Battery Systemax D13 D13RI D13RL D13RY D14 D14E D14E0 D14E1

AllenBradley1746-NO4I/A1746-N04ISLC500AnalogCurrentOutputModule

ALLEN BRADLEY SLC 500 4-CHANNEL ANALOG INPUT / OUTPUT MODULE 1746 F104V

ABB ROBOT SERVO 3HAC 10556-1/0

A06B-0143-B088#0076 FANUC SERVO MOTORS REMANUFACTURED

0020-28434 CLAMP RING 8' JMF TI PVD DEGAS HTHU BUFF0020-28434

MODICON P1-984A-816 USPP P1984A816

ALLEN BRADLEY 150-B240NBDB USPP 150B240NBDB

ALLEN BRADLEY 1326AB-B515E-21-K5L USPP 1326ABB515E21K5L

GENERAL ELECTRIC 193X-532ADG04 USPP 193X532ADG04

SQUARE D CM4000 NSPP CM4000

SIEMENS 6SC6100-0GC14 NSFP 6SC61000GC14

ASEA BROWN BOVERI 3HAB2241-1 USPP 3HAB22411

Siemens 6ES5 943-7UB11 6ES59437UB11

Siemens SIMATIC S5 6ES5 431-8MC11

SIEMENS 6ES5-700-2LA11 USPP 6ES57002LA11

Siemens 6ES5 454-7LA11 NICE

SIEMENS 64kB MMC 6ES7 953-8LF20-0AA0 in Box

Siemens GSM TC35 SIM CARD

SATT CONTROL 492620802 USPP 492620802

Square D EQ5138-G2

Siemens FireFinder NIM-1R Network Interface Module MXL

SERIES E REV AA1 F/W REV K.2

Siemens 6SE7014-OTP50-Z NIB

Siemens TP7 6AV3607-1NH00-0AX0 Touch Panel in Box

Schneider Modicon DEP218/AS-BDEP-218 INPUT MODULE

Schneider Modicon AS-BADU-204Compact Analog Input ASBADU204

Schneider Modicon AS-B836-016 USPP ASB836016

Schneider Modicon PLC ZAE 204 / AS-BZAE-204 Module

Schneider Modicon AS-WBXT-201 NSFP ASWBXT201

Schneider Modicon AS-H819-209 7-SLOT CHASSIS SERIES 984 HSG PRIM 19 IN SYS BUS NIB

Schneider PLC Analog Output Module 170AAO12000 NIB

SIEMENS 6ES5430-4UA14 DIGITAL INPUT MODULE NIB-FS

Roland M-480V System 58 bs x 26 outputs

SIEMENS CONTROL MONITOR MIPC3510A300MGT TOUCH SCREEN

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

RELIANCE ELECTRIC NETWORK COMMUNICATIONS MODULE 57404-1G

SIEMENS CONTROLLER CARD 6SN1118-0AA11-0AA0

SIEMENS One SimoDrive 6SN1130-1AA11-0BA0 Free Ship

SIEMENS 6FC5110-0DB02-0AA2 6FC51100DB020AA2 BOARD MODULE VER T

ALLENBRADLEY2711P-T9C1OPERATORINTERFACEPANELVIEW900SERIESCREVC

Allen Bradley VersaView 1500W 6180W-15KSXPH Operator Interface Panel

ABB FBK-H High Speed DC Power Circuit Breaker, 10,000 AMP, 800VDC

ADVANCED ENERGY APEX 1500/13 1.5KW RF GENERATOR

(L27-6) 1 EATON 220600E LSE-2 CIRCUIT BREAKER L27-6

MARCONI PC-28-155MM2 USPP PC28155MM2

ALLEN BRADLEY 1326AB-C2E-11-A7 USPP 1326ABC2E11A7

GE FANUC IC3600LRLB1 NSPP IC3600LRLB1

FANUC A06B-6058-H012 USPP A06B6058H012

SIEMENS 1FT6105-1AC71-1EH1 USPP 1FT61051AC711EH1

RELIANCE ELECTRIC 0-57411-2 NSFP 0574112

SIEMENS 3VF6212-1MK44-0AA0 NSFP 3VF62121MK440AA0

Siemens 6ES5 466-3LA11 6ES54663LA11

Siemens 6ES5-943-7UB11 NSFP 6ES59437UB11

SIEMENS 6ES5-435-6AU11 NSFP 6ES54356AU11

Siemens 6ES5 700-8MA11 BUS MODULES5 REFURBIS

Siemens S5 6ES5 921-3WB11 6ES59213WB11

Siemens C7-634 6ES7634-1DF02-0AE3 Membrane Keypad

SIEMENS 6ES5-308-3UA12 NSFP 6ES53083UA12

Square D 8020 SCP-311

NOTIFIER 2-Wire Detector Interface Module MMX-2

WS-C4506-E CISCO

Siemens 6ES7231-0HC21-0XA0 6ES72310HC210XA0 FreeShip

SIEMENS SIMATIC PANEL PC 870 PC870 6AV7 743-2AC00-0AA0 Membrane Keypad

Reliance 612404-7R

Schneider Modicon DAP 210 / AS-BDAP-210 89 PT OUTPUT MODULE

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 NSFP JAMSCB10741

SIEMENS 6ES7 222-1HF22-0XA0 6ES7222-1HF22-0XA0 FreeShip

Siemens OP35 6AV3 535-1TA01-0AX0 Membrane Keypad ping Worldwide

Red Lion MLSC0000

Schneider Modicon AS-B817-116 ASB817-116 16 Isolated AC Input NIB FS

Schneider Modicon AS-884A-101 USPP AS884A101

Schneider Modicon AS-P120-000 ASP120000

Schneider Modicon AS-B236

Schneider Modicon AS-516P-007 Processor Board Rev C21 AIND/UEX

Modicon XBT H021010M138 Operator Interface Terminal

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

TELEMECANIQUE TSXAEZ414

SIEMENS SIMATIC S5 6ES5 430-7LA12 OUTPUT MODULE

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

SIEMENS SINUMERIK FM-NC/810D/DE/840D/DE 6FC5203-0AB11-0AA2

SIEMENS 6SN1118-0NH00-0AA2 6SN11180NH000AA2

SIEMENS SIMODRIVE 6SN1123-1AB00-0AA0

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

Advantech PCM-3661 A1

Allen-Bradley 2711-K5A8 PanelView 550 Operator Interface Panel

ABB 58125067 CIRCUIT BOARD

Acoustic Microscope USL ICAM Ultrasonic Sciences CSAM

AAT-AAT1107 BUCK_BOOST SOP IC Original Packing

8510A-A11-D2 ALLEN BRADLEY DRIVES REMANUFACTURED

SIEMENS 6SC6000-0NA02 USPP 6SC60000NA02

ATLAS COPCO ETD-S7-50-13-CTADST NSPP ETDS75013CTADST

ASEA BROWN BOVERI DCS602-0050-41-15000C0 USPP DCS6020050411500

MITSUBISHI MR-SA52 USPP MRSA52

INDRAMAT MAC112D-0-FD-2C/130 USPP MAC112D0FD2C130

ASCO TM10A42BR NSPP TM10A42BR

TEXAS INSTRUMENTS PLC 2490683-U13 USPP 2490683U13

Siemens 6ES5-441-4UA14 NSFP 6ES54414UA14

SIEMENS 6ES5 482-8MA13 6ES54828MA13

SIEMENS S5 6ES5 300-3AB11 6ES53003AB11

Siemens S5 6ES5 451-8MA11 DIGITAL OUTPUT MODULE

SIEMENS 6ES7 621-1AD01-0AE3 Membrane Keypad C7-621

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