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。
250259-001 / PCB, CRT CONTROLLER LAMP DRIVER / ELECTROGLAS
795-002627-001() / OPTICAL 405MM / LAM RESEARCH CORPORATION
A-356 / BANNER AMP SHARP SENSOR BOARD BANNER MPC3 / MOTION MANUFACTURING INC
CDRB2BW20-90S-R73CL / SMC PNEUMATIC ACTUATOR / SMC
3163000 / PC / BTU ENGINEERING - BRUCE
281621 / PWB ASSY MCU CHAMBER CONTROL / FUSION SEMICONDUCTOR SYSTEMS
BIQ-021583 / PDS BOARD / ADVANTEST
MHQ2-10D / AIR CHUCK PRESS 1.0-6KGF-CM2 85 PSI ASSY / SMC
0085710-000 / F5 SE FOCUS FLIPPER / APPLIED MATERIALS AMAT
960912-06 / XVM-8017-TONS-D001 S1 CLASSB PH3 75VDC 3000RPM 7.57A .6KW / EMERSON
0050-27753 /WLDMENT LOWER NF3 RPSII 300MM PRODUCER GASLINE FITTING/ APPLIED MATE
FK3SIIG6EEMM / PCB BOARD / S MICROSYSTEMS
LI13V37A / PCB LCT-M / INTEK
115/230VAC POWER CONTROLLER / POWER CNTL. DIMENSION VX 330 / DIGITAL INSTRUMENTS
4022.471.5887 /PCB BOARD SLOT 16 /ASML
291011-200 / PCB BOARD, MOTOR, REV A X2 / FSI
0020-10472 /LEVER, JAM RELEASE / APPLIED MATERIALS AMAT
PM C01 471A / BALZERS VACUUM PUMP TURBO CONTROLLER TCP 120 R-01079 / PFEIFFER
853-031197-807 / ASSY WELDMOT CTR GAS DZ BA / LAM RESEARCH
0040-41326 / RETAINER,SPRING,TOP RF SOURCE 300MM / APPLIED MATERIALS AMAT
6LVV-DPC233P-C / DIAPHRAGM VALVE SC-01 CLEAN 3 WAY FMF / SWAGELOK
07-01012-000 / COPLEY CONTROLS 800-1380 SERVO AMPLIFIER / COPLEY CONTROLS CORP
715-073071-001 / LIFTER 3 PLC PIN /LAM
310C0100-505 / ACTUATOR ASM 1-1 4NC W SNSR / OEM GROUP
713-801125-016 / PL COV TEST 2300 / LAM RESEARCH CORPORATION
100254 / P.S AND DAMPENER / ELECTROGLAS
0020-23036 /CAM,LEFT OUTBOARD /APPLIED MATERIALS AMAT
2808-106043 GBL-UHEAT EXCHANGER CTRL ASSY PRINTER CIRCUIT IVERSAL HX NOVELLUS
9090-00273 / DEVICENET I/O BLOCK DIP294-2 / AMAT
44T4565 / DIAD LOAD BD CARD, PCB BOARD, 44T4565 / OZTEK CORP
CDQ2A25-25DC() / CYLINDER, 1 MPA, 145 PSI, DS / SMC
0100-00008 / TC GAUGE PWB ASSY / APPLIED MATERIALS AMAT
0100-00015 / PWB, POSITION ENCODER BUFFER / APPLIED MATERIALS AMAT
3870-04730(LOT OF 6)/SURFACE MOT 2-PORT 1-1-8 DIAPH. VALVE 1-4 C-SEALS/FUJIKIN
DH0700002 / HORIZONTAL X SCAN GENERATOR / ZZ
002-9922-01 / TRAVERONNECT BOARD / BROOKS AUTOMATION INC
NRY0WP544 / MANIFOLD PUMP RACK PROCESS COOLING WATER / EVANS COMPONENTS INC
03-042620-00 / CABLE ASSY,TURBO CNTRL,SPD-S / NOVELLUS
MC200-902 / AMBIENT INLINE PURIFIERS, PURE GAS / MICRO TORR
BP 412 524 -X /VALVE LEVER WITH MEMBRANE CPL /BALZERS
36-0109 / FT-500 POWER SUPPLY CONN. BD. / PROMETRIX
3420829502 / PCB BOARD / AXIOMTEK
AC057A / VGA VIDEO SPLITTER / BLACK
T154968 / PCB BOARD / DIGITAL HEAD
SS-4BMRG-VCR /NEEDLE REGULATOR VALVE /NUPRO
D37280700 /PUMP DISPLAY TERMINAL 5-WAY XLR PLUG, 24V /EDWARDS
7225 / 16 RELAY OUTPUTS ISOLATED D/I 7225 REV.B / ICP ELECTRONICS
17560B16E / DC EF OUT 16PT 10-31.2VDC,1A,2A INRUSH / ALLEN BRADLEY
1AD0179 HEDS-5540 A12 / HEAD ENCODER WITH PULLY / R2D INGENIERIE
950-905-01 / PCB / TERADYNE
SS-4MA-MH / MEDIUM FLOW ANGLE PATTERN METERING VALVE, SS, 1/4IN SWAGELOK
6LV-BNBW4 / NUPRO HIGH PURITY BELLOWS VALVE 1/4" NC-11 CLEAN / NUPRO SWAGELOK
03-032159-00 / CABLE ASSY 9PIN BREAKOUT / NOVELLUS
03-147891-00 / CABLE ASSY DE-9P, MINIGRABBER CAB-I-159 / NOVELLUS
03-147886-00() / CABLE ASSY, DE-9PS TO DE-9P.3M / NOVELLUS
2-39-56302 / DNS 3-AXIS DRIVER, D2420-1, GEDA-001 / DNS
E15000990 / I.G. INTERFACE PCB ASSEMBLY REV 5 / VARIAN
18906 / EXHAUST FLTR FOR D8B D4B TURBO BCKNG PMP / LEYBOLD
625-794770 / PCB , MICRO,CNTROR, STD, LINES ROFIN SINAR / ROFIN-BAASEL, INC
360170 / 360-370 STABIL-ION GAUGE EXT-T / MKS
HY244R2GN / POWER SUPPLY OUTPUT 24V4.2A, INPUT50/60HZ / SHINDENGEN
CT2A CABLE / CABLE MALE 9 PIN, FEMALE ROD 4 PIN / CAMECA
00344204-03 /SERVO AMPLIFIER TBS200 10X-02 200V 10-20A /SIEMENS
60195656 /SIEMENS CARD SMD 70V STEPPER MOTOR DRIVER /MUHLBAUER HIGH TECH INTERNA
710-650094-20 / KLA VAC 710-650094-20 CARD CONTROLLER / KLA TENCOR
1679551-501 / PCB BOARD, SENSOR BD, 1679550-401 / DELTA DESIGN
2002-0012-04 PCE / CABLE, 4 FOOT PRE POWER, 8PIN M TO M / BROOKS AUTOMATION
B2DA1250 /HONEYWELL VALVE 24V DC 250PSI 6W MILLIPORE GUAGE/ PARKER
0020-24291 /MOTING PLATE PC 2 RF MATCH /APPLIED MATERIALS AMAT
0020-24167 / CLAMP, SHIELD, INNER, 300MM SIP ENCORE SE-083669 / AMAT
99-106-001 / PCB AUTOTE SLUG ATS-1 415 421 515 / TEGAL
2-816006-A / HEATER FOR M-308ATE / HITACHI
0020-30722 / FINGER REMOVABLE AL200MM / APPLIED MATERIALS AMAT
3161950 / PCB BOARD, SYSTEM MICROCONT. ASSY, 2859302 / BTU ENGINEERING - BRUCE
B08-l1-0-0-C4-0-DLS-AJJC200 / CONTROLLER, RS422, 0-600C / EUROTHERM
E15000320 / PCB ELEVATOR CONTROL ASSY / VARIAN
16-455989-00 / DUCT, EXHAUST, UV ENCL FACIL, ALUM / NOVELLUS
VE-1120X / SHIELD-DIVIDER TARGET PLATE VENZON VE-11 / VENZON ENGINEERING
0020-32312 / DOOR, SLIT VALVE, S / APPLIED MATERIALS AMAT
559-209 / OBJEKTIV LL 20X0.4 LENS / LEITZ WETZLAR
0150-08835 003 / CABLE ASSY,SLIT VALVE INTERFACE,VANTAGE / AMAT
EPC-1-0 2905 /PCB BOARD, GAS CABINET REV 2 /TRION TECHNOLOGY
0021-22583 / BUSHING RIGID COIL SUPPORT / APPLIED MATERIALS AMAT
0190-08556 / RETAINING RING, 8IN. PPS - SST W - OUT GROOV / AMAT
0015-76144 / COUPLING, MODIFIED, SHUTTER, 300MM, PVD / APPLIED MATERIALS AMAT
IZS41-340-04LB-X356 / ONIZER, 24VDC, 7KV, 480MA, 0.5 MPA MAX, / SMC
1103591 / TEFLON 3-WAY PNEUMATIC DIAPHRAGM VALVE / FURON
SIG.MONITOR / SIGNAL MONITOR 99-11948-01 GAS PNL ANNCIATOR / SYSTEMS CHEMISTRY
0140-10284 / H/A, GAS DIST TO LOCKOUT BD/W CUST INTFC / APPLIED MATERIALS AMAT
BM24480 IO / DRIVER,RESET,PCB / BROOKS AUTOMATION
BM24480 / IO DRIVER,RESET,PCB / BROOKS AUTOMATION
3304MR / PHOTOHELIC PRESSURE SWITCH/GAUGE SERIES 3000MR 25PSIG / DWYER
ERJ-1GNF1432C /RESISTOR 0201 AUTO AEC-Q200 THICK
0040-20727 / TUBE, FLANGED HEATER RF / APPLIED MATERIALS AMAT
0150-09840 / CABLE ASSY LAMP MODULE / APPLIED MATERIALS AMAT
XLD-50-X985 / VACUUM ANGLE ISOLATION VALVE / SMC
BIR-014284 / PCB AG FC CARD PIR-E142B4BB 0054-3249 F805B-BEB3 / ADVANTEST
103250011 / GAUGE, PIRANI, 325 MODUCELL / HPS DIV,MKS INSTRUMENTS INC
103H8222-5111 / MOTOR, Y1 / SANYO DENKI
15-401955-00 / BAFFLE, RUGHING, IALD / NOVELLUS
73-690-0313 / SWITCH MO PWR SUPPLY MVP MDL MP1-3D-1E-1L-1L-03 / ARTESYN TECH
5044-000281-11 / BUFFER ADD ON BOARD / TOKYO ELECTRON TEL
810-49928() / CONTROLLER, OVER TEMP, 240 VAC, 60HX, 10 VA, LV SERIES
9000467 / PCB, BOATLOAD CONTROL, PANEL, BRUCE 7600 / BTU ENGINEERING
DCM-1040 / CNC MOTION CONTROL BOARD / GALIL
0015-09055 / BELLOWS ASSY SUSCEPTOR HOLLOW / APPLIED MATERIALS AMAT
151070-001 / IVERSAL FIRING CARD / THERMCO
0021-09098 / RING SEPARATOR MXP LINER / APPLIED MATERIALS AMAT
AS-304-2() / VGA STA. DOUBLER FOR VGA AND SVGA, AUTO. KEYB, MOITOR / SSI
20A7-002NUS / LAPTOP / LENOVO
LMP-12751() / ARC LAMP, NEC / DIRECTED LIGHT INC
AB1NIZ3EH4 / 0.1 MICRON POSIDYNE FILTER CARTRIDGE / PALL
853-023620-001 / HARNESS-CHMBR SGNL RETROFIT / LAM RESEARCH
0200-03265/ 6 INCH SHADOW RING/ APPLIED MATERIALS AMAT
BLM03AX241SN1D(LOT/105,000)/FERRITE BEAD 240 OHM 0201 SURFACE MOT
678-009953-200 / HEATER CARTRIDGE 200 WATT / LAM RESEARCH
020-654-058-000 / I-LINE FILTER MODULE / APPLIED MATERIALS
36-0050 / S-M INTERFACE BOARD/ PROMETRIX
SSUPBO 16 / PILLOW BLOCK BRG / THOMSON
1 SSUPBO 16 / PILLOW BLOCK BRG / THOMSON
PC2110701-00 / PCI DIFFERENTIAL SCSI CONTROLLER 68 PIN WIDE / QLOGIC
234038-002 / MOTOR STIRRER W/CONT 24V 100W / LINDE ELECTRONICS
FDS15-50 / POWER SUPPLY T5365P 15V50A / ADVANTEST
15-00729-00 / CLAMP,FLAT / NOVELLUS
3386-002597-11 / CABLE 10 CHILLER I F / TOKYO ELECTRON TEL
0021-36302 / BLOCKER, PERF, SILOX 8 DXZ, MICROWAVE / APPLIED MATERIALS AMAT
715-510345-001 / TL, EXT, ALIGN, VCE, ALLI / LAM RESEARCH
566-5504 / PCB, CPU / HITACHI
566-5509 / PCB, DEF-CNHR / HITACHI
110109-02 /CLAMP,CUSHION,ATM,AVP /AVIZA TECHNOLOGY
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