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。
GENERAL ELECTRIC CIRCUIT BOARD IC3600SCBN2 IC3600SCBN2A
REBUILT JOHN CRANE SAFEMATIC SEAL ASSEMBLY SE2-T-2.362-QRMG-300426
1/4HP 1PH 115/208-230V 1140RPM INDUSTRIAL MOTOR L1300
SKF SPHERICAL ROLLER BEARING 23317-CC/W33
PEELLE .4A 3PH 220V 600RPM MOTOR 033050
NIB ENDRESS HAUSER LIQUIPHANT M VIBRATION POINT LEVEL SWITCH FTL50H-PTC2IC6E6A
MOORE INDUSTRIES INTEGRATING TOTALIZER ITX/4-20MA/J/7VLP-2LG
ABB ACCURAY CIRCUIT BOARD 4-083885-001
ALLEN-BRADLEY 24V COIL SAFETY CONTACTOR 100S-C72DJ04C
ORTLINGHAUS ELECTROMAGNETIC BRAKE 100139909
FESTO GUIDE CYLINDER DFM-32-100-P-A-KF
ABB HART 2600T 4-20MA PRESSURE TRANSMITTER 264DSFSSB2A1V2E6B1N2
ANDERSON 115/230VAC MIC 2000 SERIES TEMP CONTROLLER 62509901
ANDERSON 115/230VAC MIC 2000 SERIES TEMP CONTROLLER 62518801
ANDERSON 115/230VAC MIC 2000 SERIES REV. A TEMP CONTROLLER 62518801
EUCHNER 110V SAFETY SWITCH TZ1RA110PG-R
RELIANCE ELECTRIC RESOLVER INPUT MODULE 57411-2L 57C411
MAC 24VDC SOLENOID VALVE 252B-521JC
PANALARM 120V 3.5A POWER SUPPLY 02-81-100-120A-5D-12
SIEMENS 150A 3-POLE CIRCUIT BREAKER FXD63A150
OHAUS ADVENTURER ANALYTICAL BALANCE SCALE AR5120
VALMET METSO PAPER SPINDLE WIN2013649 000-1133418
ACCURAY ABB SCANNER CONTROL MODULE POWER SUPPLY 082318-001
CARDKEY POWER REGULATOR 31-1788-03
CONWAY CLUTCH BRAKE 15Z2B23
GENUINE SKF THRUST BEARING 51320
TIMKEN SPHERICAL ROLLER BEARING 22220EJW33
AVG AUTOMATION 24 VDC 6" TOUCH SCREEN EZ3-T6C-E
WESTINGHOUSE LOSS OF PULSE MODULE 588C435G01 198P843 SUB 4 588C600H85
GENERAL ELECTRIC CIRCUIT BOARD 531X135PRGAAM1
EATON CUTLER-HAMMER AIR CIRCUIT BREAKER PRIMARY FINGER CLUSTER 1A33570G01
ANAHEIM AUTOMATION STEP MOTOR DRIVER DPS75001
POSITRON BASIC RATE ISDN TELELINE ISOLATOR 751333A 220-751341-401
WEIDMULLER ACTION INSTRUMENT SLIMPAK POWER SUPPLY 2X115 H910-0001-4
APPLIED MOTION 5A ETHERNET/IP STEP DRIVE ST5-IP-EE
CONTROL TECHNIQUES 30M 12-PIN FEEDBACK CABLE SRBAIB030
BOSTON 8P GEAR 12448 PA826Y-G
RELIANCE ELECTRIC AUTOMAX 16-SLOT RACK 57C331 803456-8R
TIMKEN TAPERED ROLLER BEARING CUP 99100
GENUINE SKF TAPERED ROLLER BEARING 32314-BJ2/QCL7C
FOXBORO 4-20MA 0-100 IF PANEL INDICATOR 65PX-JG
CUTLER-HAMMER THERMAL OVERLOAD RELAY BA33P 6710C92G19
PARTIAL ABB 3P EH550 CONTACT KIT EHCK550-3
CONNECT TECH INC. INTELLICON BOARD IAT04064
MEASUREX CONTROLLER CIRCUIT BOARD REV.A 05286800
BANNER EZ-SCREEN LIGHT CURTAIN SLSCE14-900Q8
MEASUREX SERIAL INTERFACE I/O CARD REV.D 05265200 052652-00
NEXEN NIRECO HORTON TENSION METER TM140D
FOXBORO 4-20MA 0-100 IF PANEL INDICATOR 65PV-JG
DODGE 4-BOLT FLANGE ROLLER BEARING 2-7/16" BORE F4B-E-207R
BENTLY NEVADA 3300 XL 8MM PROXIMITY SENSOR 330106-05-30-10-02-05
ABB LOGIK-DRIVE CIRCUIT BOARD 49Q03117AB CAD109
DODGE 3-1/2" PS80 SPACER CENTER ASSEMBLY 011571
ABB 100A FUSIBLE DISCONNECT SWITCH OS100GJ12 1SCA115665R1001
SIEMENS MINI-FIELD REGULAOR 6DM1-001-0WB00-2
MARTIN 30 TOOTH 3-3/4" BORE SPROCKET 100E30
.5HP 1725RPM 575V GENERAL PURPOSE MOTOR CM3538-5
NOS TURCK 3-POLE MALE / FEMALE STRAIGHT CABLE GSDA-GKDA-30-14M/S3102
GRAVCO / TITAN PUMP STATOR EPDM 400-2521-BM-BA 2K0123-CDDB
PARKER PNEUMATIC ACTUATOR PV33D-BB2-B
GENUINE SKF SPHERICAL ROLLER BEARING 22313 EK/VA405
DAVIS 6" WAFER STYLE CHECK VALVE 1260
DAVIS 6" WAFER STYLE CHECK VALVE 1260
HONEYWELL DIGITAL RELAY OUTPUT BOARD 51304443-100 PM01 LCM-C101
VICKERS HYDRAULIC PUMP PV20-1P9P-1C11
SQUARE D NEMA SIZE 3 DC CONTACTOR 7004-HEO-1
GUYAN ELECTRIC 20HP DYNAMIC BRAKE SR20-3-18443-001
HONEYWELL MEASUREX QVBSC II INTERFACE BOARD 09802700 08597401 054043-00
HONEYWELL MEASUREX VIDEO MEMORY BOARD REV.B 05267300
FACTORY FAIRCHILD PNEUMATIC PRESSURE TRANSDUCER TT7800-401
BOSTON 380-460V 3HP 5.3A ADJUSTABLE SPEED DRIVE ACE204V3P0030N1
ASCO 110/120V 1" SOLENOID VALVE 8215B50VH
HORTON AIR CHAMP PILOT MOT CLUTCH 802850
SYSTEMS ENHANCEMENT 115VAC POWER ADMINISTRATOR PA-800
GENUINE SKF CYLINDRICAL ROLLER BEARING NU-315-ECM/C3
RELIANCE DUTY MASTER IBRAKE TYPE F SIZE 50 F53C0824N-UU
VICKERS HYDRAULIC PUMP CARTRIDGE KIT 20D12G0152
APPLIED MOTION PRODUCTS STEP MOTOR HT34-489D
FACTORY DYNAPAR ENCODER 3/8" SHAFT 15' CABLE HR6251024023F
RADISYS CONTROL BOARD EXM-15A 61-0250-02
RADISYS CONTROL BOARD 61-0250-01 EXM-15A
GE FANUC 120/240V POWER SUPPLY MODULE IC694PWR330A
MOORE SIEMENS CONTROL BOARD FACEPLACE 15756-8-2
ALLEN-BRADLEY PROFIBUS COMMICATION ADDAPTER 1738-APB
RELIANCE ELECTRIC AUTOMAX 115V. AC HIGH OUTPUT MODULE O-57403-D
DOMINO 8-PIN SHAFT ENCODER 14828
ALLEN-BRADLEY 128MB PANELVIEW PLUS FLASH MODULE 2711P-RW2
BAILEY MULTI-FCTION CONTROLLER NMFC02
DYNAPAR INCREMENTAL ENCODER H22012010001K
ALLEN-BRADLEY SER. B FRN. 6.002 DEVICENET SCANNER 1747-SDN
FACTORY ALLEN-BRADLEY 105A 1500V SCR DRIVE KIT SP-192706
SEW-EURODRIVE 71.75 RATIO 1480 TORQUE 1750 RPM GEAR REDUCER SA47TAM56
GENERAL ELECTRIC 80 AMP 5.5 KV E-RATED FUSE 9F60FJD080
LEESON 1750RPM 1/4HP AC MOTOR C42D17FK2D 09B002.00
FAG SPHERICAL ROLLER BEARING 22222EASK-M 22222EASK.M
STAR RADIAL LINEAR BEARING 0678-080-00
S AS IS RONAN X84 TEMPERATURE MONITOR - POWERS UP, WILL NEED CALIBRATION X84
TSUBAKI 50' ROLLER CHAIN 40-RIV
VICKERS MAINSTAGE DIAGRAM DG4V--5-60-M-J-H7-30 / DG5S-H8-33C-M-J-H-7-40
NORCAN FLUID POWER HYDRAULIC CYLINDER RE1316499-E
GE PC CIRCUIT CARD 68A944807G1
CASE OF 4 HILCO HDRAFIL HYDRAULIC FILTER ELEMENTS PD718-03-CN
LITHONIA LIGHTING 480V CONTOUR FLOOD LIGHT TFR-400S-TA-480-LPI
METSO VALMET FBC FIELDBUS CONTROLLER A413075
SIEMENS MOORE TRANSMITTER CONTROLLER 340DDBHAAB5N113
POSITRON TELELINE BASIC RATE ISOLATOR MODULE 751333 220-751333-401
GE 115-120V 60HZ 110V 50HZ COIL 55-501463G002
REXNORD CARTRIDGE ROLLER BEARING ZMC5107
MITSUBISHI AC SERVO MOTOR HA40C-S
ALLEN-BRADLEY 20A 3-POLE CIRCUIT BREAKER 140U-I6C3-C20M
ALLEN-BRADLEY PC BOARD 77131-772-02
FAFNIR SUPER PRECISION BEARING SET 2MM211WI DUL
TB WOODS 12" COMPANION PULLEY SHEAVE 12.0X1W-SF
AESSEAL 90MM CARTRIDGE SEAL C.U.R.C 1HABSS0090A01P
HEIDENHAIN ENCODER ROD 426A-02540MR KF01,00 IP64 223-675-OU
GE 1.5HP 200-230/460V 3450RPM 3PH INDUSTRIAL MOTOR 5K49PN2348
RESEARCH CONTROL BRONZE 3/4" 6-15SIG VALVE 9102GCNBZSV1E06P36
FAG SPHERICAL ROLLER BEARING 23022-E1A-XL-M
RELIANCE ELECTRIC DUTY MASTER IBRAKE F52A0624
COGNEX MVS FRAME GRABBER BOARD VPM-8100X-000
RADISYS CONTROL BOARD 61-0250-00 EXM-15A
RADISYS SERCOS CONTROL BOARD EXM-15 61-0115-01
GGT CIRCUIT BOARD A-03100-2847 071271005
GENERAL ELECTRIC LOGIC INVERTER PC BOARD IC3600LIVF1A 006/03
TB WOODS SPLIT HYTREL SF SLEEVE 11HS
ALLEN-BRADLEY 0.75KW 1.0HP POWERFLEX 4 AC DRIVE 22A-B4P5N104
1 ALLEN-BRADLEY 0.75KW 1.0HP POWERFLEX 4 AC DRIVE 22A-B4P5N104
GE FANUC HORNER COMMICATION MODULE HE693SNP900D
BENTLY NEVADA PROXIMITY SENSOR PROXIMITOR 330180-50-05
SPIRAX SARCO 3/4" STEAM TRAP B1H-180
HONEYWELL PRESSURE SENSOR 244PC73G / 1089-0515-05
FUJI ELECTRIC 100-120V COIL MAGNETIC CONTACTOR 2NC3H0 SC-6N/ UD