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。

626C13TBE / TRANSDUCER ABSOLUTE PRESSURE 1000 TORR / MKS

990-004552-003 / CARD CAGE / PNEUTRONICS

UG10-00-11 / SHIELD LEFT GUIDE ROD / TEL EPION

UG10-002008-11 / SHIELD LOWER PULLEY / TEL EPION INC

0200-36399 / SHIELD,TOP,CERAMIC,,TXZ 300MM CVD / APPLIED MATERIALS AMAT

0150-00099 / SYSTEMS I-O INTERCONN. COTERCABLE / APPLIED MATERIALS AMAT

IMAGRAPH / PCI-VIDEOMIXER, 760058 / GROHMANN

SP2001 / 2000G SCOUT PRO DIGITAL SCALE 110V / OHAUS

2100844 / SERVO MOTOR, M-2348-103 / TEKNIC, INC

0020-10936 / AMAT 8 INCH BLOCKER PERF. PLATE, SILANE 200MM / APPLIED MATERIALS

10025226 / PRE-ALIGNER CHUCK, 100-200 MM, WAFER / EVG-EV GROUP

4630-1051 / MKS MAIN VALVE HEATER / MKS

PSK-090/PRECISION MODULE LINEAR BALLSCREW R146540000 640.0MM BOSCH GROUP/REXROTH

0021-09914 / PLATE, BLOCKER, DXZ SACVD, CENTURA / APPLIED MATERIALS AMAT

EBX(I)75-Z/ POWER SUPPLY INPUT100-240VAC 130VA 50-60HZ/ LEISTGSELEKTRONIKJENA

0100-99011 / GAS INTERLOCK / APPLIED MATERIALS AMAT

839-032633-002 / ASSY TC J-TYPE TEMP ESC MARCHI S-0961-02 / LAM RESEARCH

797-092055-204 / MASS FLOW CONTROLLER STEC 4400 O2 20 SCCM    / LAM

28-8875-014 / PC ASSY, QUAD MICRO,STPR.PR. / ONTRAK

565-0480 / SLIDE SLIDER / HITACHI

0021-19060 / CUP OUTER FEEDTHRU SUPPORT MONOLITHIC / APPLIED MATERIALS AMAT

170B / ION LASER POWER SUPPLY MODULE / OMNICHROME LASER

804-972-00 / BOARD KINEMATIC COUPLER, 804-972-00 / TERADYNE

910089 / PROTEUS 910089 FLOW SWITCH 0.40GPM / PROTEUS INDUSTRIES INC.

0041-47915 / UPPER AC DIST FULL SYMETRICAL 4 Z/ APPLIED MATERIALS AMAT

879-780-00 /PCB, ARBITARY WAVE GEN AD780 REV D/ TERADYNE

2181-020009-1E / PCB ASSY STC-C / TOKYO ELECTRON TEL

471-14077-000 / ZM1510 HSPMI-STRAIGHT-THRU 740-12848-000 ZYGO OPTIC 8450 / KLA

UG10-001199-11 / SHIELD CHAMBER O / TEL EPION INC

840L-RFQ-3983 / DIGITAL MFC 10000SCCM GAS HCL 1/4" VCO SLPM / SIERRA INSTRUMENTS

UMPLANFL 50X0.80 / BD INFINITY METALLURGICAL MICRO. OBJECTIVE / OLYMPUS AMERICA

DVT LEGEND 530 / DVT LEGEND 530 SMART IMAGE SENSOR 2D3R / COGNEX

DLP180-24-1 / POWER SUPPLY 100-240VAC 2.7A / TDK-LAMBDA

748435-001 / HP600GB HOT PLUG DISK 0B31342 748386-001 / HP

BGR-026907 / ADVANTEST PCB, TEST BOARD FOR ADVANTEST T5771ES / ADVANTEST

2110-334091-11 / HEAT INSULATOR / TOKYO ELECTRON TEL

5KH32GNB784AX / HP AC MOTOR / MARATHON ELECTRIC

C0094-0860-01 /CCFM FAN FILTER CONTROLS /ASYST TECHNOLOGIES

716-028447-002 / DISK CERAMIC / LAM RESEARCH

7-020-0353 / BALL ELECTRONICS SYSTEMS TVX90 SERIES CRT MONITOR / DOTRONIX

KD2300-.5SU /KAMAN MEASURING SYSTEMS OSCILLATOR DEMODULATOR/KAMAN IND

BH8-2317-01 /PCB CANON BG3-3122, STG-BB-EX5-PCB, BH8-2317-01 /CANON

350SC / CABLE OLFLEX HEAT 1 X 2.5SQ 50M / PSK TECH AMERICA INC

2S700-582-1 / PCB TCCNT 2S014-035-14 FOR OPTISTATION 3 / NIKON

253A-13782 / THROTTLE VALVE / MKS

0021-07586 / RING, MIDDLE PURGE SST, 300MM TXZ / APPLIED MATERIALS AMAT

AD07N / VALVE,3WAY,NW40,HITEMP,KALREZ8900,SCS14A-25A,C-2250-006-3600 / HISAKA

04-716643-01 /HEATER SUPPORT SHIELD /NOVELLUS

0471664301 /HEATER SUPPORT SHIELD /VARIAN

3161951V03() / SYSTEM MICROCONTROLLER ASSEMBLY PCB BOARD / BRUCE IND.

PHSV88153 / VPO PLATE / SVG

N68-0013 / PC 3000, A1 VERSION 3, MV4 / EUROTHERM

0150-00162 / CRYO AC INTERCONNECT / APPLIED MATERIALS AMAT

SS-40-40STRM-PP-Z / PL SERIES TUBE EXTENSION VALVE 2" 1000WOG CF8M / EVANS

NP8134R201 / BOARD CONN BLT L PCB / TAIYO YUDEN

90-2583 / PCB IVERSAL DIGITAL PCA PEP-3510 / GASONICS

112613001 / DYNAMIC RESEARCH ENCODER C25F085E1G-2500-S930/ VARIAN

2-F1-D0494_F1-D0689 KIT / SPIN CUP KIT UPPER AND LOWER / DNS DAI NIPPON SCREEN

0020-22383 / PEDESTAL, SST, 8 101 W TROUGH / APPLIED MATERIALS AMAT

026182 / ELECTRODE UPPER 100-25-50 AL / LAM RESEARCH CORPORATION

XDP-36B / BOARD, PC SHINKAWA / SHINKAWA

AXC200B-ES / IN LINE DUCT/EXHAUST ALT VENT SUPPLY / CFM

91161-1-1 / PCB MB VIDEO CONTROL SYSTEM SEM 1800 SUBCARD 91131-1-1 / AMRAY

CHUV3L0P1 / OPTIMIZER FILTER DEV-L, 0.1UM / MILLIPORE

303-08640 / EXPANDER, BEAM 2X-8X,14401.256.000.20 / AB LASERS

0050-86833 / LINE OVERPRESSURE CH B / APPLIED MATERIALS AMAT

ESVP-2002-NWB-A-F1 / ANGLE PNEUMATIC NW50 / NOR-CAL

2-39-64025 / ARM, CERAMIC SK-2000 /DNS

91-5024-CER / POWER SUPPLY FOR ION SYSTEM 21-0420 MODEL 5024E-CE / SIMCO

FI-600-1.4-001 / FAN ASSYMBLY 873-103-03 REV E 1000485 / EBMPAPST

715-250588-001 / CLAMP LOWER LAM / LAM RESEARCH CORPORATION

715-250586-001 / BAF BOT UPR ELCTD / LAM RESEARCH CORPORATION

8002-4103 / PCB BOARD, FAULT INDICATOR, HALF STEPPER DRIVER / KULICKE  SOFFA

NXVZM10942SP /QUICK CHANGE NXM DISP LIQUID FILTER PTFE 10" CHEM-LINE / ENTEGRIS

E3004-61045 / VOLTEX POWER SUPPLY PIN BD PS SP1 D2082 /AGILENT TECHNOLOGIES, INC

E17215450 / BLANKOFF 10 CRYO TO VAT / VARIAN

99-80267-01 / PCB, SHUTTLE INTERFACE, CIMPRO-2, 49-98 / SVG

0040-39390 / MANIFOLD, DUAL FT, METAL ALD / APPLIED MATERIALS AMAT

A012-0001 / OPTICAL ISOLATOR / GSI GROUP

SKP345 / REMOTE BOARD, PNP, RE000432-2 / SEIKO SEIKI

716-011427-001/ DISK,QTZ,9 /LAM RESEARCH

102437-000 / CCA, ABES-WRP, LOGIC BACKPLANE, QK / MICRO CONTROL COMPANY

0010-09549 / WAFER LIFT ASSY / APPLIED MATERIALS AMAT

0040-88004 / BELLOWS PEDESTAL LIFT 300MM CVD ENDURA II / APPLIED MATERIALS

LIS-7I-15 / PCB REGULATED POWER SUPPLY 15VDC / LAMBDA ELECTRONICS

126-1438-69F0504 / MOD E99-211N W-A196-01 / ENTEGRIS

685-001064-103 / CMLA11E MANOMETER CAPACITANCE SER 10TORR / MILLIPORE

0050-98707/HOSE, 0.75ID, BASEPLATE, 50FT, 300MM EPI, WATER MODULE COMPONENT/AMAT

E93-103-61C02 / STORAGE  125MM 2 CAP / FLUOROWARE

NNS30-15 / POWER SUPPLY 15V 3.4A / NEMIC-LAMBDA

6ES55465-4UA13/ANALOG INPUT 5159-009-32-69-54-480 C79040-A7412-C360-03-05/SIEMEN

Z610131 / CHUCK 4-8IN LOADING STATION SPTBM0014 / ELECTRONIC VISIONS

22-0075-010 / PCB-PIA GESPAC GESPIA-2A 8835 22-0075-01 / ENTREPIX

0020-18686 / FIXTURE ,MEMBRANE, 300MM TITAN PROFILER / APPLIED MATERIALS AMAT

MOHLR006-A / TABLE, CHUCK(FE5F-2NX4A) / DISCO

208-1130010 / CONTROLLER, 8 CH LITH ANAFAZE CLS208 S2210000 / WATLOW

501013-000028 / MOTION BOARD - DOUL-SUE-2S(V3.1) / MIRAE / MIRAE CORPORATION

E19589040 / ELECTROSTATIC CHUCK ASSY 300MM E17409500 TOTO VAEZ308XXF / TOTO

212031 / WAFER PAN ASSEMBLY / FUSION SEMICONDUCTOR SYSTEMS

ACE-716C / POWER SUPPLY / ICP ELECTRONICS

3Z10-401673-11 / CAP,CLAMP RING A HT / TOKYO ELECTRON TEL

1500070 / PCB, CONTROL, CURRENT ARC, NOVA 1500070 / NOVA

37300033 / SEALING ELEMENT PTFE / MATTSON

KD2300-.5SU / KAMAN MEASURING SYSTEMS OSCILLATOR DEMODULATOR/ KAMAN

002-4037-02 / POWER PAK / BROOKS AUTOMATION

E17024183 / SHIELD ENTRANCE BEAM / VARIAN

3404995987 / INPROCESS MOTOR, EAUO-339400 / MARPOSS

ESA-J2006CF3-1 / NSK ESA SERVO DRIVER / NSK

BM19575 L01 / SERVO, COMMKEY, TEACH PENDANT / PRI

37-7393(LOT OF 10) / FILAMENT FLOODG HSS / SIGNET

1426-761 / GROD 240 120 V AC / ZEISS

880-QTZ-260-4A / RING F QUARTZ WCO-IBM-001A 715-443131-001 / LAM RESEARCH

ASM66MC / VEXTA MOTOR DC 5.06V 0.8A MAGNETIC BRAKE DC 24V 0.25A / ORIENTAL MOTOR

CTS25 / ASSY. CAMERA VIEWER COMPACT PRECISION STEEL LINEAR STAGE / PORT

DN 12 R6-3C / BLOWER WHR - DN12 R6-3C - ASM 830003487 / DIETZ

IC693CHS391J / BACKPLANE CPU - 10-SLOT BASE EMI ENHANCED / GE-FENUC

771-026552-001 / SETRA 2271Z02PCE511ZZFR1, XDCR PRESS PSI/KPA INT RED LED / LAM

849-510280-001 / KIT QUARTERLY MWAVE STPR A6 / LAM RESEARCH

0220-22964 / KIT 8'' 101 G12 / APPLIED MATERIALS AMAT

DT01-EZ / PCB BOARD / DATA TRANSLATION

001-2298-73 / END EFFECTOR / BROOKS AUTOMATION

0021-21469 / RING RESTRAINT, 1.574 DIA SHFT, 8 BESC / APPLIED MATERIALS AMAT

0240-76246 / KIT, HEATER ELECTRICAL / APPLIED MATERIALS AMAT

0221-11446-922 / REDUCER SPINDLE / HUB CITY

256266-001 / CCD CAMERA LOGIC BOARD / ELECTROGLAS

L511T-021 /SANYO DENKI DC SERVO MOTOR, 100W, 24V, 6.2A /SANYO DENKI

2118-00 / PCB BOARD WITH MOT / INTRASERVER TECH

NVT-910-00149 /GAS STICK W/AK-1015S-4PL-4-4-0HF, 6A-B6LJ-SSP-NL-C3 /AZTECH

140-401-00004 / MODEL 140XIII CONFIG. V18.8.1 THERMAL BARCODE / ZEBRA

6B3617D / PCB TPI CPU 3 / ADVANTEST

A4922-9215KME / 5-PHASE STEPPING MOTOR 0.72 STEP 1.4A 0.7 OHM / VEXTA