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　PLC(ProgrammableLogicController)可編程邏輯控制器是20世紀60年代末期逐步發(fā)展起來的一種以計算機技術為基礎的新型工業(yè)控制裝置。PLC是一種專門為在工業(yè)環(huán)境下應用而設計的數字運算操作的電子裝置。它采用可以編制程序的存儲器，用來在其內部存儲執(zhí)行邏輯運算、順序運算、計時、計數和算術運算等操作的指令，并能通過數字式或模擬式的輸入和輸出，控制各種類型的機械或生產過程。PLC及其有關的外圍設備都應該按易于與工業(yè)控制系統(tǒng)形成一個整體，易于擴展其功能的原則而設計。
　　一種特殊的R&B吹塑機器有9根伺服液壓驅動軸——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。這種機器包含2個梭子，2個模具，以及2根吹管。運轉時，夾具反復打開和夾緊模具，吹管反復做上下運動，傳送裝置帶動夾具至型坯正下方，到達吹氣位置。
　　DavidChin是NDCTechnologies的技術人員，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使用了標準的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進行位置控制。其它的機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到與獨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，這是專用運動控制器被廣泛采用的原因。但是在我們的應用中，標準的SiemensS-7PLC承擔了運動控制功能，它通過液壓驅動裝置對各個部件進行定位。”
　　PLC還對30多個區(qū)域進行溫度控制，這些區(qū)域包括加料斗、擠出機以及型坯頂部。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)必須將機器各部分的溫度誤差范圍控制在1度以內。型坯頂部要能夠將料斗傳來的冷塑料加熱到415°F。
　　常規(guī)PLC采用IEC-61131標準語言編寫的功能模塊控制所有的伺服液壓系統(tǒng)驅動軸。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。

SIEMENS A1-106-101-507/R1-106-101-507 CONTROL BOARD XLNT

SIEMENS 6DD1681-0DH1 USPP 6DD16810DH1

ProSoft Technology 3100 MYC Communication Interface Module

SIEMENS 6SN1-114-0NB01-0AA0 USPP 6SN11140NB010AA0

SIEMENS SINUMERIK PCU 50 6FC5210-0DF33-2AB0 NIB

SIEMENS 6FC5210-0DA21-0AA0 6FC52100DA210AA0

SIEMENS MOORE 39IDM115ACCAN APACS QUADLOG IDM INPUT DISCRETE MODULE ROM V3 24999

Allen-Bradley Panel View 550 Series C 2711-B5A5X WOW

AB 1336S-C050-AA-EN 1336SC050AAEN 50HP 600V TESTED

ABB[INVERTER]ACS60100703 55KW good in condition for industry use

A06B-0345-B231 FANUC SERVO MOTORS REMANUFACTURED

75 HP ELECTRIC MOTOR 1200 RPM 405TD FRAME NEMA PREMIUM EFFICIENT SEVERE DUTY

RELIANCE ELECTRIC 78469-1R USPP 784691R

ALLEN BRADLEY 2711-K14C15 USPP 2711K14C15

ALLEN BRADLEY 1771-IKC NSFP 1771IKC

HONEYWELL 4DP7APXOA-311 USPP 4DP7APXOA311

WESTINGHOUSE NB3800PF NSFP NB3800PF

THK GL15S16-1250L-C NSFP GL15S161250LC

GENERAL ELECTRIC DS3800NTCA USPP DS3800NTCA

Siemens 6ES5-188-3UA21 USPP 6ES51883UA21

SIEMENS 6ES5 375-0LC41 MEMORY MODULE

SIEMENS 6ES5-998-0SH21 NSPP 6ES59980SH21

Siemens 6ES5 942-7UA12/6ES59427UA12 CPU NICE

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

Siemens Micromaster 6SE6 400-0AP00-0AB0 Advanced Operator Panel

RELIANCE ELECTRIC 57C-433 USPP 57C433

Texas Instruments 500-5001

Spirent Adtech AX/4000 401383 OC3c/12c L3 MM Interface

VEXTA Fine Step 5-Phase Driver DFR1507 ONTEC ONTEC SAVE NET I/O MODULE

Siemens C98043-A1660-L1

Modicon AS-W511-002

Schneider Modicon AUTOMATION AS-BDAP-218 OUTPUT MODULE

Schneider Modicon 4 Channel Analog Input AS-BADU-205

Schneider Modicon AS-BDAP-209 IN BOX

Schneider Modicon AS-B872-100

Schneider Modicon SECONDARY SUBRACK AS HDTA 201

Schneider Modicon Auxiliary Power Supply AS-P120-000 WARRANTY

Schneider Modicon 140-NOE-771-00 140NOE77100

Scientific Atlanta Prisma DT Chassis Modules Decoders Optical Input

RELEASE SuperMicro X9DRH-IF MB ※FULL MFR ※

Siemens 6ES7 132-4BB31-0AA0 OUTPUT MODULE 2POINT 2AMP 24VDC

SIEMENS SINUMERIK 840D/DE NCU 573.3 6FC5357-0BB33-0AE2 NIB

MODICON PLC AS-J892-001 COMMUNICATION MODULE

SIEMENS SIMODRIVE 611 BOARD 6SN1118-0DJ23-0AA1

SIEMENS SINUMERIK OP 010 10.4" 6FC5203-0AF00-0AA1

SIEMENS CAT CATERPILLAR D6H TRACTOR SHOP REPAIR SERVICE MANUAL S/N 1KD 2KD 3ED 4RC 6FC

AllenBradley1756-OF6CI/A1756-0F6CIControlLogixOutputModuleCard

Allen Bradley SLC 500 Output Module 1746-OW16 Ser C White Label

ABB Robot IRB 1400 Welding Robot w/ S4 M94A Control, Teach Pendant, Hobart Pwr S

A06B-0128-B677#7208 FANUC SERVO MOTORS REMANUFACTURED

0.1-716 μm LPA-9S Desktop Fully Automatic Laser Particle Size Analyzer Sizer

MODICON AS-P230-080 USPP ASP230080

ALLEN BRADLEY 150-A135NBD USPP 150A135NBD

ADEPT TECH 10332-48712 USPP 1033248712

GE FANUC IC697CMM742 USPP IC697CMM742

SIEMENS S30810-Q2168-X/07 USPP S30810Q2168X07

SIEMENS 6ES5-955-3NF42 USPP 6ES59553NF42

ALLEN BRADLEY 5130-RM1 USPP 5130RM1

Siemens 6ES5 935-8ME11 6ES59358ME11

Siemens simatic 6es5244-3aa22 6es5 244-3aa22 XLT

SIEMENS 6ES5-521-8MA11 NSFP 6ES55218MA11

Siemens 6ES5 441-7LA13/6ES54417LA13 Output SEALED OFFERS ACCEPTED

SIEMENS 220uF 450V Capacitor 36 x 36mm

Siemens EM277 6ES7 277-0AA22-0XA0 6ES72770AA220XA0 NIB

Schneider 140DAI54300 Input Module

Square D 9050 PDH-11AA

SIEMENS 6GK1-502-3CB10 INTERFACE MODULE 6GK15023CB10

WE SHIP SAME CISCO SGE2000P CISCO 24PORT GB 4SFP STACKABLE SWIT

Siemens 6SA8252-0AC61 CU5

Siemens TP27-10 6AV3627-1QL00-0AX0 Touchscreen Glass, Bergquist Touch Products

Schneider Modicon TSX COMPACT DISCRETE INPUT DEP 216 AS-BDEP-216 5

Schneider Modicon AS-BDAP-210ASBDAP210

Schneider Modicon AS-B825-016 USPP ASB825016

Schneider Modicon AS-B581-001 MODULE

Schneider Modicon AS-W510-004 USPP ASW510004

Schneider Modicon AS-C480-000 PCB PC Board Card

SCHNEIDER TC2000 INDUSTRIAL PC OPERATOR INTERFACE 3515 KPM BROKEN NOB

Siemens 6ES7 131-0BL00-0XB0 32 PT Input Module

RSP720-3CXL-10GE Cisco Route Switch Processor 720 with 10 Gigabit EN uplin

Siemens Cutout for OP17 Operator Panel Cut Out

SIEMENS Sinumerik 840C CPU Int/Face. 6FC5110-0CB01-0AA0 E Stand D

RS422/RS485 COMMUNICATIONS MODULE MITSUBISHI FR-EPE

SIEMENS 6SN1-162-0EB00-0BA0 NSFP 6SN11620EB000BA0

SIEMENS 6RB2160-0FB00 6RB2160-OFB00 6RB216O-OFBOO 6RB2 160-0FB00 SIMODRIVE Board

SIEMENS 6FC5-111-0CA01-0AA0 USPP 6FC51110CA010AA0

ALLENBRADLEY6181P-15TSXPHSER.CVersaView1500PINDUSTRIALCOMPUTER

ALLEN BRADLEY VERSAVIEW CE 6182H-12TRH4D 6182H12TRH4D

ABB E4S-A 3200 Amp SACE Breaker EMAX 600V E4SA 32 E4S3200 Bolt On BO

ADTRAN 4200663L1 USPP 4200663L1

(H2-5) 1 HORTON 912010 LH8B PHOTOHEADLINE FOLLO. H2-5.

KEYENCE CORP LS-5121 NSFP LS5121

ADEPT TECH 10332-00655 USPP 1033200655

FLUKE 720A USPP 720A

FANUC A06B-0162-B175 NSFP A06B0162B175

SEW EURODRIVE MDV60A-0220-503-4-0T USPP MDV60A022050340T

RELIANCE ELECTRIC 0-48673 NSPP 048673

ROBERTSHAW DMS-ETH-001 USPP DMSETH001

Siemens 6ES5 460-7LA12 6ES54607LA12

Siemens 6ES5-928-3UA12 USPP 6ES59283UA12

SIEMENS 6ES5-430-8MC11 NSFP 6ES54308MC11

Siemens 6ES5 490-8FB11 -- 6ES54908FB11

Siemens S5 6ES5 470-7LC12 6ES54707LC12

Siemens 802SE Membrane Keypad

SIEMENS 6ES7 138-4FA00-0AB0 DISTRIBUTED I/O MODULE ET200S PROFISAFE QUANTITY

Square D 8005 RT-108

NORTEL APLICATION MODULE NT5B74AABJ w/ Interface Card MS-BIC NTBB80AA

WS-F6700-DFC3C Cisco Distributed Forwarding Card 3C Switching accelerator

Siemens 6ES7154-1AA00-0AB0 6ES7 154-1AA00-0AB0 NIB FS

SIEMENS Servo Motor 1FT3056-6AZ99-9-ZS15

Reliance 54394-1

Schneider Modicon Gould AS-S212-210 REV A13 Control Board

Schneider Modicon AS-B353-001 NSFP ASB353001

Schneider Modicon AS-S908-110 NSPP ASS908110

Schneider Modicon AS-B885-002 ASB885002 ASB885 Basic Module

Schneider Modicon AS-B807-032 ASB807032 32 Point 120 VAC Input

Modicon AS-B872-200_ASB872200_LR32678_Output Module Minor Scratches

Siemens Low VDC Input Module 505-4116

Siemens 6ES5 441-7LA11 -FS- 6ES54417LA11

SIEMENS PLC OUTPUT MODULE 6ES5-456-4UB12 6ES54564UB12

SIEMENS EA-12 ANALOG OUTPUT MODULE 6DD1642-0BC0 /BOX

TTC Fireberd 6000A Communications Analyzer w/ option 6005 & ISU 600 w/ 4 Modules

SIEMENS 6SN1118-0DG21-0AA1 CONTROL MODULE / BOARD VER:B

SIEMENS SIMODRIVE 611 6SN1113-1AA00-0CA0 NIB

SIEMENS 6FC5500-0AA11-2AA0 Membrane Keypad 6FC5 500-0AA11-2AA0

Advantech PCL-724 REV.A1 24 Bit DIO Card

Allen-Bradley 1769-OF8V Analog Output Module

ABB AXEM Servo Motor MC17HR0021 W/B14 FLANGE 0.54kW 104V 6.7A Motor & Brake

ADEPT PROCESSOR MODULE 040 IDE 10332-48712 (1033248712)

6SE7090-0XX85-1DA0 SIEMENS CUR CONTROL BOARD FOR 6SE70 MASTERDRIVE RECTIFIER

HONEYWELL 51305319-100 USPP 51305319100

SYMAX 8055-SCP-453 USPP 8055SCP453

CUTLER HAMMER SVX060A1-2A1N1 USPP SVX060A12A1N1

CONTROL TECHNIQUES 6180-8110 USPP 61808110

OMRON C500-CT041 NSFP C500CT041

MODCOMP 551-100689-001 NSPP 551100689001

GENERAL ELECTRIC 531X152IOCAKG1 USPP 531X152IOCAKG1

Siemens 6ES5 300-3AB11 6ES53003AB11

Siemens 6ES5-501-5AA11 USPP 6ES55015AA11

SIEMENS 6ES5-312-5AA13 NSPP 6ES53125AA13

Siemens / 6ES5 435-7LA11 -

Siemens 6ES5 922-3UA11 6ES5922-3UA11 6ES59223UA11

Siemens 6GF1018-2AA Vision Sensor

Siemens TP177A 6AV6 642-0AA11-0AX1 Protective Film

Siemens 6ES5470-8MA11

KENWOOD KCA-SR50 SIRIUS RADIO INTERFACE MODULE ADAPTER

YASKAWA MP930 JEPMC-IO350 I/O Module

Siemens 6ES7 214-1BD23-0XB0 6ES7214-1BD23-0XB0 NIB

Siemens OP27 6AV3627-1JK00-0AX0 Membrane Keypad worldwide

Power Sonic PS 670

Schneider Modicon AS-B838-032/ASB838032 Output Module OFFERS ACCEPTED

Schneider Modicon AS-5B31002A NSFP AS5B31002A

Schneider Modicon AS-M907-000 USPP ASM907000

Schneider Modicon AS-B061-P00 PBA DIGITAL I/O CONTROL BOARD

Schneider Modicon ANALOG CURRENT OUTPUT MODULE AS-B872-100 ASB872100

Schneider Modicon /Modicon/AS-HDT-201 Subrack 5-slot NIB

Siemens SM321 Input Module VIPA 321-1BL00 VIPA 3211BL00

Telemecanique Inverter Operator Panel ATV71

SIEMENS SIMATIC S7 6ES7 374-2XH00-0AA0

SIEMENS 305-20T OUTPUT MODULE 30520T

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

BMW E65 E66 VOICE COMMAND INPUT MODULE COMPUTER SES RECOGNITION 745 750 760

SIEMENS Simodrive 6SN1135-1BA11-0CA0 CMI# 1-230-1035A

SIEMENS OPERATOR INTERFACE 6FC5103-0AB01-0AA2

Advantech PCI-881 REV.3 board

Allen-Bradley 2711P-B6C20D PanelView Plus 600; Color/Touch/Ethernet/RS-232

ABB 52614759 / CPU86-U / CPU86U / CPU86 U / CPU86/U

ACME 300 KVA TRANSFORMER CAT# TP-53318-35 ... OD-227

A5E00825002 SIEMENS MM4/SINAMICS IGD1 R3-BGR 480V/650VDC 260AMP WITH IGBT MOD

8449A HP/Agilent Preamplifier 2 - 22 GHz

SIEMENS 6FC5110-0DB03-0AA4 NSFP 6FC51100DB030AA4

ASEA BROWN BOVERI EH550G-PRL11 NSFP EH550GPRL11

ASCO 9403-70-99C USPP 94037099C

MITSUBISHI A-985-GOT-TBA USPP A985GOTTBA

INDRAMAT DKC1.1-030-3 USPP DKC110303

ALLEN BRADLEY 284D-FVD2P3Z-10-CR-3 NSFP 284DFVD2P3Z10CR3

SQUARE D 3020-CM250 USPP 3020CM250

Siemens 6ES5-420-3BA11 NSFP 6ES54203BA11

SIEMENS 6ES5 464-8MC11 -FS- 6ES54648MC11

SIEMENS 6ES5-103-8MA03

Siemens Positioning Cont. Module 6ES5 266-8MA11 WOW

Siemens 6ES7 352-1AH01-0XB0 6ES73521AH010XB0

Siemens Profibus DP 6ES7972-0BB50-0XA0 in box

PROVOX 37A8986X012 NSPP 37A8986X012

HEWLETT PACKARD 98630A HP BREADBOARD INTERFACE MODULE

VAOVA FMT-104U IN-CAR FM MODULATOR WITH USB INTERFACE 12 MONTHS WARRANTY

Siemens 6AV6640-0DA11-0AX0 Touch Glass

Siemens LOGO 24RCL 6ED1 053-1MB00-0BA2

Omron 3G207-IP002

Schneider Modicon AS-W801-006 ASW801006 Extender Cable NIB

Schneider Modicon AS-B247-001 ISOLATION INPUT MODULE

Schneider Modicon AS-E908-006 NSPP ASE908006

Schneider Modicon Gould Input Module AS-B805-016 115V 16 Port

Schneider Modicon AS-B832-016

Schneider Modicon PLC Rack 8 Slot AS-P933-007

Schneider/Telemecanique Twido TWDLMDA20DTK

Schneider Telemecanique Advantys DDI3615

SIEMENSOPERATORKEYBOARDPANELMODELNo.6ES5-982-3AA11

Siemens 6AV6545-0CA10-0AX0 6AV6 545-0CA10-0AX0 SIMATIC TP270 6 Touch Panel

SIEMENS Simodrive Sinumerik 6RB2100-0NA21 includes 6RB2100-0SA21

GE Fanuc IC693CMM302D Communications Module Comm Enhanced Genius

SIEMENS SIMODRIVE VPM 120 6SN1113-1AA00-1JA

SIEMENS Sinumerik 6FC5114-0AA02-0AA2 E.Stand A 840C Central Service Board

SIEMENS MOORE 15532-3FM-S MULTIPLIER DIVIDER SERIES 380

Allen-Bradley MobileView Guard G750 2727-G7P20D106

AB 4100-232-RL 4100232RL 2 AXIS CONTROLLER SER.H IMC S

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

A06B-0501-B001 FANUC SERVO MOTORS REMANUFACTURED

75 HP FUJI FRN075F1S-4U Variable Frequency Inverter 400-480 V 105 Amp

RELIANCE ELECTRIC 802420-R USPP 802420R

ALLEN BRADLEY 2750ASPR NSPP 2750ASPR

ALLEN BRADLEY 1771-QDC NSFP 1771QDC

HYDRAULIC VALVE DIVISION D41FHE0-2F4VB0020 USPP D41FHE02F4VB0020

XYCOM 9450 USPP 9450

TOTAL CONTROL PRODUCTS QPICTDE0000-A USPP QPICTDE0000A

GRACO C27340 NSFP C27340

Siemens 6ES5-241-3CA11 USPP 6ES52413CA11

SIEMENS 6ES5 375-1LA21 6ES53751LA21 Memory Submodule -

SIEMENS BUS TERM PN 6ES5 777-1BC01

Siemens 6ES5 982-3RA11 USPP 6ES59823RA11

Siemens 6ES5441-8MA11 6ES54418MA11

Siemens MP270 6AV6 542-0AH10-0AX0 Membrane Keypad

RELIANCE ELECTRIC 45C-201A USPP 45C201A

Texas Instruments 500-5023

Spirent/Zarak Abacus 81-01504-00 Analog Circuit Interface Module