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　PLC(ProgrammableLogicController)可编程逻辑控制器是20世纪60年代末期逐步发展起来的一种以计算机技术为基础的新型工业控制装置。PLC是一种专门为在工业环境下应用而设计的数字运算操作的电子装置。它采用可以编制程序的存储器，用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令，并能通过数字式或模拟式的输入和输出，控制各种类型的机械或生产过程。PLC及其有关的外围设备都应该按易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。
　　一种特殊的R&B吹塑机器有9根伺服液压驱动轴——3根用来控制型坯(把材料挤压成空心管或半球体，这是吹塑工艺的第一步)，6根用来控制运动。这种机器包含2个梭子，2个模具，以及2根吹管。运转时，夹具反复打开和夹紧模具，吹管反复做上下运动，传送装置带动夹具至型坯正下方，到达吹气位置。
　　DavidChin是NDCTechnologies的技术人员，该公司是Siemens的战略合作伙伴，一同参与了R&B控制系统升级项目。Chin说：“R&B使用了标准的SiemensSimaticS7PLC来控制这些位置运动。我们提供了一套功能模块，使R&B能运用PLC进行位置控制。其它的机器可能要使用运动控制器来控制运动，这是一种专用于伺服控制和定位的控制器。我们定制的功能模块能够达到与独立控制器相同的功能和性能。”
　　Chin说：“PLC通常很难做到高精度的伺服控制，这是专用运动控制器被广泛采用的原因。但是在我们的应用中，标准的SiemensS-7PLC承担了运动控制功能，它通过液压驱动装置对各个部件进行定位。”
　　PLC还对30多个区域进行温度控制，这些区域包括加料斗、挤出机以及型坯顶部。其中12个区域既能加热又能冷却，另外18个只能加热。温控系统必须将机器各部分的温度误差范围控制在1度以内。型坯顶部要能够将料斗传来的冷塑料加热到415°F。
　　常规PLC采用IEC-61131标准语言编写的功能模块控制所有的伺服液压系统驱动轴。它不需要特殊的运动控制环境。加入运动控制功能的PLC相对于专用PLC和独立的运动控制器而言，具有更出色的性能和更高效的处理能力。

YASKAWA ELECTRIC USASEM-35TV12 USPP USASEM35TV12

MODICON AS-P964-000 NSFP ASP964000

Siemens 6ES5-301-3AB13/6ES5301-3AB13 COMM. & INTERFACE MODULE NIB

SIEMENS 6ES5 375-1LA41 6ES53751LA41

SIEMENS 6ES5-752-0AA23 USPP 6ES57520AA23

Siemens 6ES5 755-0AA11 ETHERNET TRANSCEIVER 3C100

Siemens Memory Sub Module 6ES5 374-0AA11 22792

Siemens 6ES7 231-7PB20-0XA0 6ES7231-7PB20-0XA0 FreeShip

SIEMENS OP7 6AV3607-1JC20-0AX0 Membrane Keypad

QLogic InfiniBand 12005-PT16 16-Port 40 Gbps QDR Pass-Thru Module for Dell

GOOD ALLEN-BRADLEY INTERFACE MODULE PROGRAMMIMG TERMINAL 1201-HAP

TOYOGIKEN PCN-1T50 INTERFACE MODULE AC/DC 125V 1A XLNT

Siemens 3UG3013-1BL60

Siemens FT5072-1AC71-1AA0 Permanent Magnet Motor

Modicon PC-M984-230

Schneider Modicon GOULD AS-W801-001 I/O SIGNAL CABLE 1FT

Schneider Modicon AS-BZAE-201 High Speed Counter ASBZAE201

Schneider Modicon AS-D005-009 USPP ASD005009

Schneider Modicon AS-P451-622 I/O PROCESSOR MODULE

Schneider Modicon AS-B805-016 Input Module -

Schneider Modicon MICRO 84 CONTROLLER MODULE AS-M84A-002

Schneider Telemecanique XBTGT5330 95%

Schneider Lexium Servo Drive MHDA1056N00

PROLOG NDC-S911 NSPP NDCS911

SIEMENS 6ES5 452-8MR11 RELAY OUTPUT MODULE

SIEMENS 6EW1861-3BA 6EW1 861-3BA SINUMERIK 800 Power Supply 60 DAYS WARRANTY!

Honeywell Interface Module Communicating Thermostat & Telephone Access Module

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU BOX 6FC52476FC5357#2ZD

SIEMENS SINUMERIK 810D CCU-BOX 6FC5447-0AA01-0AA0

SIEMENS Moore 61F 7200-17NC Pneumatic Booster Relay

ALLEN-BRADLEY Panelview 300 24VDC 2711-B5A1L1 Series F

553VIC14430 MODICON MONITORS CRT REMANUFACTURED

ABB TEACH PENDANT 3HNE 00313-1

A06B-0153-B084#0008 FANUC SERVO MOTORS REMANUFACTURED

7171 OLYMPUS ENCORE HIGH SPEED CAMERA MOTION ANALYSIS CAMERA

RELIANCE ELECTRIC 2EC4040 NSPP 2EC4040

ALLEN BRADLEY 1785-L40L/E NSPP 1785L40LE

ALLEN BRADLEY 1398-PDM-010 USPP 1398PDM010

GENERAL ELECTRIC DS3800NRTB1A USPP DS3800NRTB1A

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

Siemens 6ED1055-1MM00-0BA1 6ED1 055-1MM00-0BA1 in Box

Siemens LOGO! AM2 PT100 6ED1 055-1MD00-0BA0

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 of 12 Cisco MEM1600-6FC Smart 6MB Flash Card

ALLENBRADLEY1771OD16ISOLATEDOUTPUTMODULE

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

ABB PC-D232 3BHE022293R0101

Zygo ZMI-2002 Measurement Board 8020-0211-01-J Rev.L

.. Square D 800A Fusible Main Switch Cat# QMB367MW ... X-53

MODICON AS-506P-F12 NSFP AS506PF12

ALLEN BRADLEY 1394C-SJT22-A NSFP 1394CSJT22A

GETTYS 110-094-2 NSFP 1100942

GE FANUC 44A751082-012R01 USPP 44A751082012R01

SIEMENS 6SC9111-2AJ25 USPP 6SC91112AJ25

SIEMENS 1FT6064-6AC71-3EG1 NSFP 1FT60646AC713EG1

ADEPT TECH 10315-00940 USPP 1031500940

Siemens 6es5 905-3RB11 Simatic S5-105R ZB/CPU

Siemens S5 6ES5 470-7LC12 6ES5470-7LC12

SIEMENS 6ES5-465-4UA12/6ES5465-4UA12 ANALOG INPUT MODULE XLNT

Siemens 6ES5 430-4UA13/6ES5430-4UA13 32 PT INPUT XLNT

Siemens S5 Rack 6ES5 700-2LA12 21514

Siemens DCS Module 6DS1140-8AA in box, seal opened

SERIES7 SLATE I5-2467M 1.6G 4GB PN XE700T1A-A05US

Square D 8055 SCP-654

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 input

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

SIEMENS 6ES5-405-7AB21 USPP 6ES54057AB21

Siemens 6ES5 441-8MA11 -- 6ES54418MA11

Siemens S5 6ES5 421-8MA11 6ES54218MA11

Siemens 6SE7090-0XX84-0KB0 6SE7 090-0XX84-0KB0 FreeShip

Siemens 6ES7 331-7RD00-0AB0 -FS- 6ES73317RD000AB0

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

SIEMENS 6SN1113-1AA00-1JA1 6SN11131AA001JA1 SIMODRIVE VPM FACTORY SEALED

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 RJA36120CU33A NSFP RJA36120CU33A

CONTROL TECHNIQUES TA-460 NSFP TA460

BOSCH RHO4.1/IPC300 USPP RHO41IPC300

NACHI RAX11 USPP RAX11

MEASUREX 51304754-150 NSFP 51304754150

FANUC A16B-1211-0092 USPP A16B12110092

Siemens 6ES5 185-3UA21 CHASSIS EXPANSION RACK 21 SLOT

Siemens 6ES5-470-4UA12 USPP 6ES54704UA12

SIEMENS 6ES5-100-8MA01 USPP 6ES51008MA01

SIEMENS S5 ANALOG INPUT 6ES5 464-8MA21

Siemens 6ES5 095-8MB03 6ES50958MB03

Siemens 6ES7431-7QH00-0AB0 6ES7 431-7QH00-0AB0

Siemens Supply Fuse 3NA3820-2C 50A

Siemens 6ES5393-0UA12

Interface Module Avaya Definity Polycom Soundstation 2

YOSHIMURA FOR POLARIS XP900RZR 2012

Siemens 6ES5928-3UA21 in Box Open Seal

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

Oriental Motor UDX5114N-E

Schneider Modicon AS-B885-002/ASB885002 Beautiful condition

Schneider Modicon AS-516P-006 USPP 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