0100-35160板卡船舶半导体工控备件优势经销

福建中立恒自动化设备有限公司

1．输入/输出单元

输入/输出单元通常也称I/O单元或I/O模块，是PLC与工业生产现场之间的连接部件。

PLC通过输入接口可以检测被控对象的各种数据，以这些数据作为PLC对被控制对象进行控制的依据；同时PLC又通过输出接口将处理结果送给被控制对象，以实现控制目的。

由于外部输入设备和输出设备所需的信号电平是多种多样的，而PLC内部CPU的处理的信息只能是标准电平，所以I/O接口要实现这种转换。

I/O接口一般都具有光电隔离和滤波功能，以提高PLC的抗干扰能力。另外，I/O接口上通常还有状态指示，工作状况直观，便于维护。

PLC提供了多种操作电平和驱动能力的I/O接口，有各种各样功能的I/O接口供用户选用。I/O接口的主要类型有：数字量（开关量）输入、数字量（开关量）输出、模拟量输入、模拟量输出等。

常用的开关量输入接口按其使用的电源不同有三种类型：直流输入接口、交流输入接口和交/直流输入接口。

常用的开关量输出接口按输出开关器件不同有三种类型：是继电器输出、晶体管输出和双向晶闸管输出。

继电器输出接口可驱动交流或直流负载，但其响应时间长，动作频率低；而晶体管输出和双向晶闸管输出接口的响应速度快，动作频率高，但前者只能用于驱动直流负载，后者只能用于交流负载。

PLC的I/O接口所能接受的输入信号个数和输出信号个数称为PLC输入/输出（I/O）点数。I/O点数是选择PLC的重要依据之一。当系统的I/O点数不够时，可通过PLC的I/O扩展接口对系统进行扩展。

2．通信接口

PLC配有各种通信接口，这些通信接口一般都带有通信处理器。

PLC通过这些通信接口可与监视器、打印机、其它PLC、计算机等设备实现通信。

PLC与打印机连接，可将过程信息、系统参数等输出打印；与监视器连接，可将控制过程图像显示出来；与其它PLC连接，可组成多机系统或连成网络，实现更大规模控制。

与计算机连接，可组成多级分布式控制系统，实现控制与管理相结合。远程I/O系统也必须配备相应的通信接口模块。

3．智能接口模块

智能接口模块是一独立的计算机系统，它有自己的CPU、系统程序、存储器以及与PLC系统总线相连的接口。

它作为PLC系统的一个模块，通过总线与PLC相连，进行数据交换，并在PLC的协调管理下独立地进行工作。

PLC的智能接口模块种类很多，如：高速计数模块、闭环控制模块、运动控制模块、中断控制模块等。

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28198 NSK TEL H-ARM DUAL ARM WAFER ROBOT HEAD, 16891KN02311 CX80-001366-11

29718 APPLIED MATERIALS SIDE MATCH ASSY 0010-32149

31988 ADVANCED ENERGY PCB, E-Chuck 1.5KV Inverter Ver 2 2300780-A

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28612 APPLIED MATERIALS 300MM TXZ DLI HEATER CONTROLLER MODULE 0090-08137

21928 APPLIED MATERIALS ASSEMBLY, RTPC MODULE, 0100-01540, 0100-01539 0010-28579

15624 LAM RESEARCH ASSY,CAP,ELECTRODE,ESC 8",SEMI 839-440462-508

34573 APPLIED MATERIALS PEDESTAL ASSY, ESC, 200MM, FLAT, EMXP 0040-00878

21448 NIKON 15 PERCENT CONVEX RPF (RANDOM PATTERN 4G680-972AB

25429 PERKIN ELMER DIFFERENTIAL SCANNING CALORIMETER W/ TAC 7/DX DSC 7

17808 APPLIED MATERIALS ASSY, 2 PHASE STEPPER MOTOR 0010-75183

18183 NOVELLUS INDEXER,WF,EXCL,OPTION,200MM 15-00934-02

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28853 ADVANCED ENERGY RF POWER SUPPLY, P/N: 3155082-220 RFX600A

1 ASTEX RF MATCH ROUTER, 0040-32477, PCB IPS SOURCE(X6) 0010-37735

27920 ADVANCED ENERGY FIXED MATCH MULTIFCTION ADPTR, 13.56MHZ 2KW 3155094-007

18920 APPLIED MATERIALS CABLE ASSY,GAS PANEL UMBILICAL #2, 75 FT 0150-76668

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6627 APPLIED MATERIALS INLINE O3 SNSR, ULTRA FULL FLOW HI-CON 0190-01399

16192 ADVANCED ENERGY PRECISION OPTICAL IR PYROMETER SEKIDENKO OR400M

26184 APPLIED MATERIALS ASSEMBLY, BIASED ELECTRODE, AC  0010-04561

33629 APPLIED MATERIALS COMPACTPCI LOW PWR DUAL-SLOT CPU MOD 0190-22207

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29947 MOTOROLA PCB, VMEBUS SINGLE-BD COM W/ PMC422FP, 01-W3829F02K MVME5500

16211 NSK XP ROBOT CTLR M-ELC-JG014VF3 P016785 AMAT ELC-JG014VF3-01

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32276 APPLIED MATERIALS RF MATCH 0090-06191

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29675 NEUTRONICS APPLIED MATERIALS OXYGEN ANALYZER MODEL 3100 0195-14841

35779 APPLIED MATERIALS CPCI HDD-850 MASS STORAGE BD W/ 9000-31-040 0660-00171

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9491 APPLIED MATERIALS DPS LAMP DRIVER P1145 0190-35302

25982 ADVANCED ENERGY RF FIXED MATCH 3155094-005

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2078 VARIAN HAND OPERATED GATE VALVE PN:E32000375IIS 160MM

27325 APPLIED MATERIALS PYROMETER, 300MM RADIANCE, RTP, 0150-00743 0010-15632

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21582 AGILENT NETWORK/SPECTRUM/IMPEDANCE ANALYZER 4395A

11793 LAM RESEARCH PCB, A4 GAS  INTERFACE, VMIVME MODEL 5530S 810-077433-002

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3726 SMC Thermo-Con Cooler Control - INR-244-110E

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33659 BR JONAS  REDMANN AUTOMATION PANEL 900, 15" 5AP920.1505-K28

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21597 APPLIED MATERIALS LINER COMMON BD/BLOK LOWK 200MM PROD 0200-01393

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4892 GAERTNER SCIENTIFIC ELLIPSOMETER L116 C

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21221 APPLIED MATERIALS MOD HUB RADIANCE DC-RTP 0150-04251 0010-42974

24886 APPLIED MATERIALS Assy, Ende Effektor 0190-22231

24143 PRECISION FLOW TECH GASLINE WELDMENT W/ GAUGE, 6LV-HBBW4-P-C 600075

23675 LAM RESEARCH ASSY, HTR, VLV BODY 839-030998-608

29730 APPLIED MATERIALS Assy, System Elektronik Modul, Epi 300 0010-17730

34316 ADVANCED ENERGY RF MATCH, NAVIGATOR, AMAT 0190-37824 3155195-001

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15976 APPLIED MATERIALS PCB ASSEMBLY, INCOMPATIBLE GAS INTERLOCK 0100-00308

32743 APPLIED MATERIALS PCB, System Electronic Interface, Six Plate

20149 APPLIED MATERIALS GASLINE ASSY, 300MM PIB B/S ISOLATOR 0010-15489

26006 NOVELLUS ASSY, XFER PLATE 15-276525-00

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34314 APPLIED MATERIALS PEDESTAL INTERGRATION , 0010-45873

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16258 APPLIED MATERIALS MEI EXMP, 8 AXIS MOTION CONTROLLER T008-2001 0190-13990

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14701 APPLIED MATERIALS ASSY, HEATER, 8, DXZ 0010-05254

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14302 APPLIED MATERIALS ELECTROSTATIC CHUCK 0041-11565

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15558 APPLIED MATERIALS SHIELD, UPPER, STRAIGHT, SIP II 200MM 0021-23332

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189 DAINIPPON SCREEN DNS MONITOR CEMP-0115

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18405 TOKYO ELECTRON ELECTROSTATIC CHUCK 7X006AA-90013

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8890 DIGITAL DYNAMICS I/O Control- 27-262408-00

25949 APPLIED MATERIALS PCB ASSY MOTION CTRL VS4 4 AXIS W/ENC,PCBVS4B 0190-03503

15998 SHIMADZU TURBOMOLECULAR PUMP, 4500RPM, 9.5" TMP-303LM

32188 SVS-VISTEK IND CAMERA W/ MAKRO-IFOC 7 M58 SVCAM HR25000M CL

32204 ADVANCED ENERGY Apex 1513 RF Generator, 660-032596X214 3156110-214

33661 BR INDUSTRIAL AUTOMATION PC 5PC810.SX02-00

3064 EMERSON POSITIONING SERVO DRIVE 960138-01 FX-6300

5072 VERITY SilicDetector, 12V, Max 3W, P/N: 100898 PM221-S

32033 YASKAWA WAFER PRE-ALIGNER, AMAT: 0190-14752 XU-ACP4860

34076 APPLIED MATERIALS ELECTRICAL ASSY, TEMPERATURE CONTROLLER  0090-07673

32534 NOVELLUS Sesioc 1 PVD Ixt 02-265264-00

32532 NOVELLUS Sesioc 1 PVD Ixt 02-258471-00

29048 APPLIED MATERIALS PCB ASSY,SBC SYNERGY 68040 CTLR 0090-75015

32626 SMC Cooler Control, Thermo-Con INR-244-110-X41

7937 APPLIED MATERIALS WAFER LIFT ASSEMBLY ENDURA PRECLEAN 0010-20753

28378 APPLIED MATERIALS PCB, Sycamore Polisher V3 Dist Bd 0190-32547

28618 LAM RESEARCH Gas Panel Assy 853-257153-282

8876 PARKER DOMNICK HTER ULTRA-HIGH PURITY HYDROGEN GENERATOR 20H-MD 110HMD

7571 APPLIED MATERIALS 5000 CLEANROOM ASSY ROBOT 8'' 0010-13221

11204 LAM RESEARCH ASSY, COOLING BASE, 615-00060-001-P01 540-00052-002-P01

33454 KOLLMORGEN SERVODISC DC MTR, PLATINUM SERIES, TYPE U12D-B 00D12B09101-5

14054 NIKON PCB, NK8241 INTERFACE BOARD 4S015-259

10267 APPLIED MATERIALS VIEW LID ENDURA 2 PRECLEAN CHAMBER 0010-24584

9027 APPLIED MATERIALS MOT ASSY-DUAL-W/PASS-THROUGH 300MM REFLEXION 0010-47364

13128 STAUBLI ROBOT CONTROL TEACH PENDANT SP1 D21142102

27841 APPLIED MATERIALS SHIELD, DARK SPACE, .050 GAP, 300MM PVD 0021-30003

29858 VERITY HIGH PERFORMANCE SPECTROMETER, 1007563, 3D80-000906-24 SD1024F