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。
3155031-004C / AZX90 13.56MHZ RF MATCH / ADVANCED ENERGY
PG-RR-B0D1 / ATM SCANNER WAFER TRANSFER ROBOT / CANON
9400X-XA11-ADK3 / DUAL PNEUMATIC VALVE ADIXEN TURBO CHAMBER ASSY / VAT
002-4485-03 / PCB ASSY / BROOKS AUTOMATION
0240-27888 / ENDURA/CENTURA PIK 8" CONSUMABLE KIT-20 CYCLE /APPLIED MATERIALS
HFK 15Z-TW1 / 1.5KW RF GENERATOR 1.5 OUTPUT 450 KHZ / KYOSAN ELECTRIC
0020-99175 / COVER, RING, AL CH WITH LCF, ESC / APPLIED MATERIALS AMAT
ST800-CC50-MC2-PVDF / TANK - PVDF / VERTEQ
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832-038915-100/RF MATCH NETWORK POLY ETCH AUTO TER WITH EXCHANGE/LAM RESEARCH
42486-00 / INJECTOR VACUUM CONTROLLER / GENUS
17-186919-00 27-293802-00 / I-O CNTRLR ASSEMBLY DIGITAL DYNAMICS IO CNTRLR / NOV
0010-09292 / ASSY, TC AMP HOUSING / APPLIED MATERIALS AMAT
796-901160-202 / VAT GATE VALVE ASSY 65048-PH52-BIV1 / LAM 2300 FLEX EX / LAM
905080-001 / FSI 905080-001 / FSI
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KH3-71383 / POWER CONVERTER 1PHASE 2WIRE 200V0V 50/60HZ INPUT100V / ADVANTEST
64K8016686 / COLLAR-SA TANK - ASSY - LID - LIFT / MARLER ENTERPRISES
2L39-000021-31 / POWER SUPPLY -1800V 4A 50/60HZ 25A / TOKYO ELECTRON TEL
02-105157-00 /ASSY,SYS CONT,P166 ,DUAL ETHER) OBSOLETE, 02-157568-00/ LAM
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PFD3-322S / BELLOW PUMP TEFLON 12 GPM-1" FL. SLURRY / ASTI
01-E27171 / ASM EXPANDER ASSY/ ASM
0340X-CE24-BPH2-0161 / RFK-VAT GATE VALVE WITH PERLAST SEAL-RH / VAT
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CESA-804X6 W/EXCHANGE/DRVR MTR BX SERVO PK DNS80A CACR-03-DS3BUHY5/DAI NIPPON
BH8-1300-01 / BG4-2766 CCD OPTF CAP / CANON
02-429650-00 / ASSY HDSIOC1 DC SYNC INEXT PVD, DIGITAL DYNAMICS / LAM RESEARCH
825 / TEL CLEAN TRACK LHP IT / TOKYO ELECTRON TEL
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95048-XA52-1003 / ASSY VALVE POPPET THROTTLE PMT SAP 1201188 / VAT
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1880-020069-13 / HIGH VOLTAGE POWER SUPPLY / TOKYO ELECTRON TEL
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1850F-8-5002 / TEMPPROBE, TTR, 4, 8IN, SENSARRAY ALTIC / SENSARRAY
HRS012-AN-20 / THERMO CHILLER / SMC
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16495-01 / I/O INTERFACE PCB L3500-3510 / GASONICS
1081-835-01 / PLATE-SPACER NITROGEN PURGE TEXTURED / ASM AMERICA INC
MS14-2 / BROOKHAVEN MS14-2 GENUS CURRENT INTEGRATOR / GENUS
0020-89827 / SHIELD OUTER ALD/CVD 300MM ENDURA2 / APPLIED MATERIALS AMAT
121-236 / SPINDLE-CONTROL HIGH TORQUE UPGRADE, SC755A040-08 / SVG
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35FT L / WJ
0125-0510 / CONTROLLER, 6100 ROBOT,LASERSCRIBE / CYBEQ SYSTEMS
720-15593-000 /STAGE CONTROLLER MEI IV300MM -8300,8450,300MM W-EXCHANGE /KLA
BD4-7497 / CHUCK REMOVAL/CLEANING TOOL I 4 - I 5 / CANON
0200-10960 / EXTENDED CERAMIC ISOLATOR, UC3 LINER / APPLIED MATERIALS AMAT
1D870030061 / BREAKOUT TEL ASSEMBLY PENREC4 DRM 125VAC / TOKYO ELECTRON
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HP / HOT PLATE ASSY SK2000 / DAINIPPON SCREEN MFG CO LTD
INR-244-242B /THERMO-CON COLD PLATE CONTROLLER PS COOLING TEL 2980-192453-13 SMC
796-098290-002 / CONT ADAPT PRESS VLV 102422-R1 METAL ETCHBANNER / LAM
77500008 / COMPRESSION PLATE PRESS AST 2900 / MATTSON
94-2675 / GASONICS COMPUTER 3510 94-2673 PROCESS CONTROLLER / NOVELLUS
STAGE ASSEMBLY IDS AMS 3000 / STAGE ASSEMBLY / SCHUMACHER
8302837-001 / COHU PYRAMID TEST HANDLER CPU / DELTA
99-000-1912 / ACCUBATH AQZ-A1252-14 234 VAC MAX 2372W NOM 208 VAC PH 1 / IMTEC
0020-03509C /GRIPPER ASSY AMP -264-017, 8330 150 MM, 0100-00027, 0100-00036/AMAT
58900086 / WAFERTRAY FOR 6" -LINER PLATE HOT, REPLACEMENT / MATTSON
CRD320010CVTY / ASSY, PLASMA TUBE, ES3 EATON FUSION / AXCELIS TECHNOLOGIES
P15836 / LINEAR TRACK SYSTEM, 300MM 20.5 6-0002-0196-SP LTRA 030-SB-RUD /BROOKS
AS320942 / IT HV ESC TYPE A / SPTS
PSC-8800 V3.37 / MODEL 8800 NOAH POU-3300 CONTROLLER / NOAH PRECISION PELTIER
0010-03016 / ASSY TC AMP/OT CU SZ CHILLER / APPLIED MATERIALS AMAT
0020-89739 / DOOR SLIT VALVE Y203,COAT 300MM,DPS232 / APPLIED MATERIALS AMAT
0021-52622 / PLATE,RPS MOTING, 2.50 SPACER, ALECT / APPLIED MATERIALS
310E-H00100-S-RS-110 / MONO EXACT DF-310E OXYGEN ANALYZER ASSY/ SERVOMEX
82400 ASSY / LASER, 1343NM, 83046, PCB 76646,26363-12-003 / ESI
1D10-204418-12 / ITYME COVER BELLOWS Y203, RECOATED NON / TOKYO ELECTRON TEL
V6SVTSFABF / KIT ACPI-V2 DIFFERENTIAL VACUUM PUMP ACP28I / PFEIFFER
AP300 / PUMP / WHITE KNIGHT
ES3D10-150030-11 / DEPO, SHIELD ASSY /TOKYO ELECTRON TEL
0242-00659 / 6" PCII SMF INTERNAL PIK PRODUCTION KIT /APPLIED MATERIALS AMAT
70-7013924 / ES3 COMPUTER ASSY, ASHER EATON FUSION / AXCELIS TECHNOLOGIES
0090-08990 / CONTROLLER, MF I-O MOTION CONT / APPLIED MATERIALS AMAT
0010-12090K / DIGITAL HYBRID, MXP, ETCH / APPLIED MATERIALS AMAT
PRE-200 SIDE MOT / ALIGNER EQUIPE PRE200 SIDE MOT CONNECTIONS / PRI
4S018-727 / IM-COM PCB REV A / NIKON
RGA-20C-V /RF GENERATOR 13.56M HZ 2000W AC INPUT 200V 15A 3Z39-000002-V2/ DAIHEN
61238-PAGZ-AHU3 / BUTTERFLY PRESSURE CONTROL VALVE ETHERNET INTERFACE 80MM / VAT
0190-11203 /CHAMBER AC DIST. PRODUCER ETCH 8930AMT7132G4/ APPLIED MATERIALS
SB01701-A02-HGE/EMOTEQ HARMONIC DRIVE 300MM MOTOR ROTATE T61105-56/ALLIED MOTION
577007-5107-027 / LASER RACK LSM 700 / LASOS LASERTECHNIK
030-001059 / CAR, INNER DEPO SHIELD RECOAT / NXEDGE
0041-48366 / PUMPING CHANNEL, NICKEL PLATED, NO BEAD / APPLIED MATERIALS AMAT
0040-32530 / CHILLER PLATE ASSY, SERP WATER CHANNEL ROOF / APPLIED MATERIALS
0040-81836 / ADAPTOR, CH TO ISO VALVE, PRODUCER SE / APPLIED MATERIALS AMAT
0041-26723 / 0041-26722 AMAT ESC 300MM BONDED ASSY REV. 02 / APPLIED MATERIALS
0550-01013 / ANALY-RGA TRANSPECTOR COMPACT SENSOR 912-350-G2 / APPLIED MATERIALS
1D81-000113-1D / PCB, TYB221-1/PUMP / TOKYO ELECTRON TEL
577007-5115-033 / LASERLINE 561 / LASOS LASERTECHNIK
2-VC-27646 / GEYH-001 STATION CONTROLLER SK-200 / DNS DAI NIPPON SCREEN
GLFPF3000VMM4 / FILTER, GAS, VCR, .01 MICRON, NOVELLUS 22-00006-00 /
4022-502-25243 / LITHOGRAPHY ELLIPTICAL MIRROR PEP 3 / ASML
E11097240 / CONTROL CHASSIS / VARIAN
L-004-001 / TRUSTED HIGH PERFORMANCE ENCRYPTION CHRYSALIS-ITS / LA
P63E-10660A / DC POWER SUPPLY 10 V 660 A 6600 W PROGRAMMABLE / POWER TEN INC
S-2192 / SNT USA SiC ELECTRODE 14 RING SAS #Q310-0993962 / SAMSG
0090-91032 / CHASSIS WIRED DAQ PDU / APPLIED MATERIALS
10846-XE24-AHA1 / VALVE GATE 8 INCH PNEU ACTR CONFLAT SST AMAT 3870-00332 / VAT
41777-01 / ASSY GENUS CONTROLLER E500/E220 / GENUS
BG5-0855-000 / ROBOT ASSY, SCH THETA, 300MM / CANON
1180900 /BELT DRIVE 14344 UPD 1193490 SPINDLE CHG SENSOR 11S3291 EATON / AXCELIS
0026-48570 / DEGAS MODULE / APPLIED MATERIALS AMAT
SCO-2000 / SILI COT WAFER AUDIT SYSTEM / BEYOND
0020-75904 / LIFT HOOP, ADVANCED 101 HEATER / APPLIED MATERIALS AMAT
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