福建中立恒自动化设备有限公司
一、摘要 PLC是一种专门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按照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。在工业生产的各个领域,机械加工企业为了提高生产效率,采用机械化流水作业的方式,对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代,生产线承担的加工对象也随之改变,这就需要改变控制程序,使生产线的机械设备按新的工艺过程运行,而继电接触器控制器系统是采用固定接线,很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多,随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势:1.向高速度、大容量方向发展
为了提高PLC的处理能力,要求PLC具有的响应速度和更大的存储容量。目前,有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面,有的PLC可达几十兆字节。为了扩大存储容量,有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多,为了适应市场的多种需要,今后PLC要向多品种方向发展,特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC,其使用32位微处理器,多CPU并行工作和大容量存储器,功能强。
TM-6703-993 / PULNIX CAMERA P/N 10-7628 LOT CODE D 11/14/03 / PULNIX
17128110 / ARC SLIT 15R / AXCELIS TECHNOLOGIES
EAUM-984000 / SWITCH, PRESSURE / DISCO
17270080 / BLOCK FEM / AXCELIS TECHNOLOGIES
4505532152 / OPTIC LENSE, 1.5X/532NM, S6EXK0015, SILL 253241 / MMIT
0100-00055 / WPWB,GATE HEATER CONTROL / APPLIED MATERIALS AMAT
SWE30-12F() / PCB BOARD, 12V, 50.60HZ, SWE30-12F / TOKO
17129710 / INA 14905 UPD TO 17106481 / AXCELIS TECHNOLOGIES
LPM-7508 / MI-O BOARD / WINSYSTEMS
BUTTON ASSY/800E-2X01(),800E-2X10(LOT OF 7),800E-2D0() /RADWELL
PIO-32/32T / PCB, DIGITAL I/O PCI CARD / CONTEC
DS2110-339559-11 / HEATER,PANEL / TOKYO ELECTRON TEL
0200-18086 / NOZZLE-CERAMIC / APPLIED MATERIALS AMAT
ZSE1-00-18C / COMPACT PRESSURE SWITCH FOR VACUUM / SMC
HGF15M4AM / MANIFOLD, KOGANEI F15T2-PN / F15T3-PN / HUMPHREY
UG10-002015-11 / CLAMP COVER MOT / TEL EPION INC
002-0012 / CYLINDER, AIR, ELEVATOR / FORTREND
619-30-024.00 / HIGH POWER SPOT CONTROLLER / ZEISS
BM70020 / CPU85 XYZ BOARD CONTROL BOARD / BROOKS AUTOMATION INC
734-027625-001 / O-RING, VITON V75, C/S .210 BARR SEAL / LAM RESEARCH
3700-03769 / ORING 3.100 X .210 8085 KALREZ / APPLIED MATERIALS AMAT
853-080502-001 / ASSY CABLE PWR INTLK SEN UV / LAM RESEARCH CORPORATION
AB31-B2-4 / SOLENOID VALVE AB SERIES, 24 VDC,AB31-B2-4 / CKD CORPORATION
GAMD402-X0193-03Y / VALVE PNEUMATIC / CKD
102938-000 / BOARD / MICRO CONTROL COMPANY
MDZ480-V5H11A9G0 / 06DZ1036, PROGRAMMABLE FREQ CONTROLLER, AC 230V / E-T-A- ELEC
WV-POL-44P-NC-EP-ASB / LIQUID FLOW CONTROLLER / BECO
914CE2-6 / CONFIGURATION ML 750 / HONEYWELL
1 914CE2-6 / CONFIGURATION ML 750 / HONEYWELL
0020-23350 / SHIELD RF HEATER / APPLIED MATERIALS AMAT
3161961 / PCB BOARD, 5 ZTRIGGER INTERCONNECT, 3161961 / BTU ENGIN. - BRUCE
910-1001-02F / PXB-721 / QUATECH
853-027429-001 / BOARD GAS RATIO CNTL / TYGON
016-350-G1 / PHOTOMULTIPLIER TUBE HOUSING ASSY / INFICON
A28703039 / SOL VALVE 1/4 NPT 2 WAY 110V, HONEYWELL V4046C 1047 / EDWARDS
PH554-A2 / 5 PHASE STEPPING MOTOR, DC 0.75A / VEXTA
AS-568A-039 / KALREZ CT027-101896-1 O-RING / DNS
CB4035 / GAS INTERFACE BOARD A44035/04 / ELECTROTECH
0100-00046 / PCB PWB AC CURRENT SENSE BOARD AMAT 8330 / APPLIED MATERIALS AMAT
54741001 / REALLY SLIM BEARING / KAYDON
1871860-1 / PCB ASSY CN11/CN10 40L / TYCO
TK6277A2 / CS8560D CCD CAMERA WITH 25MM COMPUTAR LENS / TOSHIBA
9710028 / UHV-24 ION GAUGE FILAMENT / AGILENT TECHNOLOGIES, INC
404949-002 / NEEDLE-FLOW CONTROL .171 / FSI
RS404T-6 / TURCK CABLE, U2070, 4409M / TURCK
R74G-4AK-RMG / REGULATOR 50-125PSI 200MM / NORGREN
HC-UFS13D / AC SERVO MOTOR, 3AC, 120V, 0.7A,100W, 3000 RPM / MITSUBISHI
0021-11295 / ADAPTER, CONNECTOR, 750W MOTOR, ECP / APPLIED MATERIALS AMAT
77-645-11072 / AC TB MODULE MANIFOLD, 14 MODULE KGG PC 4-3 / PHOENIX CONTACT
0620-03143/CABLE ASSY DNET DROP 5.0METER 300V 80C RSC-WKC/APPLIED MATERIALS AMAT
3700-03765 / ORING, WAFER LIFT ID 2.109 CSD .139 / KALREZ
0140-17037 / AMAT HARNESS ASSY 24VDC POWER DIST 3 / APPLIED MATERIALS AMAT
102941-003 /PCB CCA ABES-M DRIVER-RECEIVER DAUGHTER/ MICRO CONTROL CO
G36-10-01 / BOOSTER REGULATOR GAUGE MPA / SMC
CT040-000908-1 / MOTOR DRIVER 201382 ORIENTAL MOTOR CSD58-14N-P / TEL
0470802702 / HOLDER, 8IN WAFER / NOVELLUS
FBPCB-0174 / PCB / DISCO
939GT4L-G-OC / 939 NVIDIA NFORCE4 SLI ATX AMD MOTHERBOARD / JETWAY
77-603-070400-001 / BOTTOM SEAL CONNECTION / HERMES MICROVISION INC HMI
ALDPFOM-T1 / DIGITAL INPUT MODULE / ALGO
CDRB1BW15-180S / ROTARY ACTUATOR AUTO SWITCH MAX PRESS 0.7 MPS / SMC
1851216-00 / TRANSFORMER, HIREL 208V 0710-4 / ADVANCED ENERGY
9602-0405 / FMK SATELLITE FTT/R DIGITAL GAS DETECTOR IT / MST
279821 / QUARTZ TUBE ASSY / FUSION SEMICONDUCTOR SYSTEMS
306271-001 / FILTER-IN-LINE SS / FSI
834-067484-001 / CA, COAX, RF, GATING / LAM RESEARCH CORPORATION
501-33981-01 / MOTOR DRIVE FOR LEAD SCREW / EXCELTEQ INC
CIF-50-DNM-PCI / PCB BASED ON EC1 L0405002 / HILSCHER
MOHLH506-A / PLATE,WATERPROOF / DISCO
1110-01030 / NTWRK SPLITTER DNET 8 DROP PAS / APPLIED MATERIALS AMAT
BO19-3347 / KIT,TOOLS FOR CHNGING CONTACTS FURNACE / PERKIN ELMER
PMC75E-4 / COSEL POWER SUPPLY 5V 1.5-6A AC100-120V/200-240V 1.8A 1.0A / COSEL
C666244 / PROCESSOR CARD / VARIAN
MSPLV10809 / IN LINE BLOCK ANGLE VALVE NW-16-A/O 1 1/4" VALVE / AGILENT
4012405 / 2 FUSION IONIZER W/FAN 24VDC, 0.2A, 5W / SIMCO
275529-EU / 275 MINI-CONVECTRON / GRANVILLE-PHILLIPS
7.01.049 / CONVERTER BOARD 522133 TEMPRESS / GENERAL SIGNAL
000-304300 / PCB, 419-304300 FAD INTERFACE
25FC10 / F7750 EMI FILTER 25 A 120/250 V 50-60 HZ / CORCOM
101905/DEVICENET E84 COMMICATION INTERFACE MODULE, KLA 750-617029-000/BROOKS A
UG10-001415-11 / GATE TUBE SKIMMER GATE / TEL EPION INC
E15005240 / PCB ASSY RESISTOR BOARD REV A / VARIAN
0205SS24 / FLOW METER 0205SS24 STAINLESS BODY / PROTEUS INDUSTRIES INC.
BM12901 / PCB, POWER/DYNAMIC BRAKE / BROOKS AUTOMATION FOR PRI 7000 STOCKER
3270101D / MCS MEMORY MODULE / SCP
10-132658-00 / TUBE ASSY ISSLD DELIVERY MO / NOVELLUS
VA250AE131021 / 24VDC AIR VACUUM VALVE SOLENOID / HUMPHREY
4GB119-A2NH / SOLENOID VALVE, 0.2~0.7MPA, 2X19G / CDK
TYPE 0531 / VACUUM GUAGE / VARIAN
PZ2-51P / SENSOR-DIAL INDEXED / KEYENCE CORPORATION OF AMERICA
22-303847-00 / O-RING, 2-109, HYREC ARMOR / NOVELLUS
17270210 / BLOCK AMU / AXCELIS TECHNOLOGIES
MP-C-086 / VLV SEL, PC OVEN / ASCO
5718M-05D-07RO /DIGITAL OPTICAL KIT ENCODER E2-400-250-NE-D-G-B/ LIN ENGINEERING
932CBL300.019 / CARBONLEAF INSERTS / WEC TECHNOLOGY INC
186475-000 / CTR9642 / THERMCO
2-108-108 / SENSOR-LIQUID LEVEL / IDI INTEGRATED DESIGNS INC
553-395 / ICR POL DIC PRISM 50X/0.85 P FOR MICROSCOPE OBJECTIVE / LEITZ WETZLAR
3700-01687 / O-RING, 5.609 CHEMRAZ SLIT VAL / APPLIED MATERIALS AMAT
MGQM20-75-Y59A / COMPACT GUIDE PNEUMATIC CYLINDER / SMC
SS082-3Z-D5 / SOLID STATE CONTACTOR / FUJI ELECTRIC CO LTD
833-801639-003 / CABLE, ASSY, CA, RF GEN, BIAS, E116273 105C 28AWG / LAM
QJ71C24N / DEVICE NET MASTER SLAVE MODULE / MITSUBISHI
853-017631-001 / 75 TORR CL DECREASING 1A 115VAC / LAM RESEARCH CORPORATION
FC-D982C 25SLM N20 / MFC 25000SCCM NOVELLUS 22-136191-00 / AERA
W117G-25H-K12L24-X /PRESSURE SWITCH, 15 PSIG OPEN DECR, 250, 1A115VAC /WHITMAN C
AMB2P000-053580 / PNEUMATIC VALVE O.P. 0.34-0.49MPA TYPE NC 053580 / FUJIKIN
02-057547-00 / HOIST CONTROL PCB PCA / NOVELLUS SYSTEMS INC
1769-IQ16 / TRUE PLANTERAY GEARHEAD / ALLEN-BRADLEY
1 1769-IQ16 / TRUE PLANTERAY GEARHEAD / ALLEN-BRADLEY
3161560 / VACUUM SETPOINT / BTU ENGINEERING - BRUCE
2269-01 / PCB RTD 100 DEG RIGHT ANGLE CONNECTOR / GENUS INCORPORATED
021-42615 / GPC225-24, POWER SUPPLY MODEL 225W / CONDOR
DV-6M-KF-25 / VACUUM GAUGE TUBE / TELEDYNE HASTING
HF-KN13 / AC SERVO MOTOR, 3AC, 97V, 0.8A, 3000RPM / MITSUBISHI
MG-2I / MINIATURE VACUUM GAUGE / ANELVA
GECE-001/PCB COMMICATIONS BOARD WITH NKE MIX-16 MODULE SK200/DAI NIPPON SCREEN
GM8712-31 / MOTOR, 19.1 VDC 60.5:1 RATIO / PITTMAN
ASM66AC / VEXTA STEPPING MOTOR DC 5 42V0.8A / ORIENTAL MOTOR
Q62DA / DIGITAL TO ALOG 2-39-80065 CONVERTER IT MELSEC-Q / MISTUBISHI
3270151D / SCP MCS 4-20MA MODULE / SANTA CLARA PLASTIC
0020-31425 / LID, MIXER GAS , BWCVD / APPLIED MATERIALS AMAT
34D-9311A / MOTOR AUTO TRANFER HUB 878-0146 / API
0242-53731 /KIT 20A CB EQUIPMENT RACK MODULAR REMOTES / APPLIED MATERIALS AMAT
DPS-001617-1 / DC POWER SUPPLY SR60-24, ITN-958151-0015 / NEMIC-LAMBDA
PF2W504T-F03-1 / SMC FLOW SWITCH, PF2W504T-F03-1 / SMC
60947-5-1 / CONTACT BLOCK A600 P300 SER / CUTLER HAMMER
1990318-101 ACCELNET DHL OR EMS #P2697 YL COPELY CONTROLS 800-1656B DELTA
S82J-6512 / POWER SUPPLY AC200-240V 50/60HZ 0.8A OUTPUT DC12V 4.2A / OMRON
PFC 280PCX / POWER SUPPLY, 280 W, 100-240 VAC, 4.0A MAX / RAM TECHNOLOGIES
200-20613-000 / COMPACT PIRANI GAUGE PTR26750, TPR265, ES30, ES32 / KLA TENCOR
61-2308 / CLUSTER CNTRL,P-S 5VDC,V -15VDC,115VAC / NOVELLUS
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