福建中立恒自动化设备有限公司
目前,世界上有200多个厂家生产可编程序控制器产品,厂家有德国的西门子,美国的Rockwell(AB)、通用(GE),日本的三菱、欧姆龙,法国的施耐德等。
可编程序控制器总的发展趋势是向高集成度、小体积、大容量、高速度、易使用、高性能方向发展。具体表现在以下几个方面:
(1)向小型化、专用化、低成本方向发展
20世纪80年代初,小型PLC在价格上还高于小系统用的继电器控制装置。随着微电子技术的发展,新型器件大幅度的提高功能和降低价格,使PLC结构更为紧凑,功能不断增加,将原来大、中型PLC才有的功能移植到小型PLC上,如模拟量处理、数据通讯和复杂的功能指令等,但价格不断下降,真正成为继电器控制系统的替代产品。
(2)向大容量,高速度方向发展
大型PLC采用多微处理器系统,有的采用32位微处理器,可同时进行多任务操作,处理速度提高,特别是增强了过程控制和数据处理的功能。另外,存储容量大大增加。
(3)与计算机联系密切
从功能上看,PLC不仅能完成逻辑运算,且计算机的复杂运算功能在PLC中也进一步得到利用,从结构上看,计算机的硬件和技术越来越多地应用到PLC;从语言上看,PLC己不再是单纯用梯形图语言,而且可用多种语言编程,如类似计算机汇编语言的语句表,甚至可直接由计算机语言编程;在通讯方面,PLC与计算机可直接相连并进行信息传递。
(4)发展多样化
可编程序控制器发展的多样化体现在3个方面:产品类型、编程语言和应用领域。
(5)模块化
PLC的扩展模块发展迅速。功能明确化、专用化的复杂功能由专门模块来完成。主机仅仅通过通讯设备向模块发布命令和测试状态,这使得PLC的系统功能进一步增强,控制系统设计进一步简化。
(6)网络与通讯能力增强
计算机与PLC之间以及各个PLC之间的联网和通讯的能力不断增强,使用工业网络可以有效地节省资源、降低成本、提高系统可靠性和灵活性,致使网络的应用有普遍化的趋势。
(7)多样化与标准化
生产PLC产品的各厂家都在大力度地开发自己的新产品,以求占据市场的更大份额。因此产品向多样化方向发展,出现了欧、美、日多种流派。与此同时,为了推动技术标准化的进程。一些国际性组织,如国际电工委员会(IEC)不断为PLC的发展制定一些新的标准,如对各种类型的产品作一定的归纳或定义,或对PLC未来的发展制定一种方向或框架。
(8)工业软件发展迅速
与可编程序控制器硬件技术的发展相适应,工业软件的发展非常迅速,它使系统应用更加简单易行,大大方便了PLC系统的开发人员和操作使用人员。
可编程序控制器的输出信号类型可以是开关量、模拟量和数字量。输出单元从广义上分包含两部分:一是与被控设备相连接的接口电路,另一部分是输出的映像寄存器。
PLC运行时CPU从输入映像寄存器读取输入信息并进行处理,将处理结果放到输出映像寄存器。输出映像寄存器由输出点相对应的触发器组成,输出接口电路将其由弱电控制信号转换成现场需要的强电信号输出,以驱动电磁阀、接触器、指示灯等被控设备的执行元件。
GATOR CSSTRIR18-145-15 STAINLESS STEEL MOTOR 1.5HP 208-230/460V 1740RPM 7/8"
ATEQ F420 LEAK DETECTOR 203.00 B203-2151
LMI PUMPS B721-297 METERING PUMP PULSE INPUT 50/60HZ B721297
3M 70-0067-4520-5 TAPE HEAD NPH UPPER 2" 70006745205
TECO WESTINGHOUSE GH1/54C MOTOR 1.5HP 230/460V 1800RPM 5/8" DIA. AEGHPE-10C
AMI UCPX18 PILLOW BLOCK BEARING 90MM 50363190
SIEMENS 17DSE92NF COMBINATION STARTER 14DS32A 49EC17BN241108R SIZE 1
THK NRS45LR2SSC0E1020LH-II LINEAR GUIDE BEARING NRS45LR2SSC0E1020LHII
CALKINS P31A497BEEJ1230 HYDRAULIC PUMP
REXROTH 4WE10E40 /CW110N9DAL CONTROL VALVE R900979378
VICKERS KDG4V-3-2C28S-Z-M-U-H7-20 SOLENOID VALVE KDG4V32C28SZMUH720
FANUC A16B-1010-0041/08B MOTHER BOARD A16B1010004108B
ROSEMOT 8712C-R03M4C1 MAGNETIC FLOW TRANSMITTER 8712CR03M4C1
ROSEMOT 8712C-3884992 FLOW TRANSMITTER 8712C3884992 8712C-R03M4C1N5
YASKAWA ELECTRIC SGDB-30VNY10 SERVOPACK SGDB30VNY10
VEGA FX82.AXATIFHXKMAX VEGAFLEX 82 TRANSMITTER 1.4404GP5 615016
SIEMENS TEXAS INSTRUMENTS 505-7038 INPUT MODULE 5057038
MOOG J661-124 SERVO VALVE J661124
MOOG J661-124 VALVE J661124
BAILEY CONTROLS 6643269B2 SYMPHONY NETWORK BOARD P-HC-DOC-00010000 REV. B
BAILEY CONTROLS 664327A1A SYMPHONY COMMICATIONS BOARD P-HC-DOC-00001000 REV. A
RECTIFIER DIODE WESTCODE 52915-035-5001 9618 529150355001
ALLEN BRADLEY 836-C63JX15A PRESSURE CONTROL SER. B, 4-150PSI, 836C63JX15A
YAMAHA SR1-X-05 CONTROLLER SR1X05
FOXBORO IDP10-D12B21F-M1 PRESSURE TRANSMITTER IDP10D12B21FM1
SIEMENS 3TB5217-0BB4 CONTACTOR 3TB52170BB4
HONEYWELL STG97L-E1G-00000-MB.SM.1C-B77P PRESSURE TRANSMITTER 0-1500PSI
INA NNTR70X180X85 2ZL - YOKE TYPE ROLLER BEARING INA NNTR70
GENERAL ELECTRIC DS3800NFCD FIRING BOARD DS3800NFCD1L1E
GENERAL ELECTRIC DS3800HIOA1B1B INPUT ISOLATOR
GENEREL ELECTRIC DS3800NMEA1J1E PC BOARD
WHEDCO IMC-1151-1-B SERVO CONTROLLER 78003965/0004
ENDRESS HAUUM253-TU1005 TURBIDITY CONTROLLER LIQUISYS-M
ALLEN BRADLEY 1771-NR ANALOG MODULE F/W REV. F, SER. A
ABB PARAJUST P-HB-DIO-40010000 TERMINAL BASE DIGITAL I/O PHBDIO40010000
INDRAMAT TDM1.2-050-300-W1 SERVO CONTROLLER TDM12050300W1
TIMKEN 23136YMW507C08C3 SPHERICAL ROLLER BEARING
DOUBLE A VICKERS QXA-005-LC-A-24B1 VALVE 524848
ISYS 24944324-002 SERVO MOTOR DRIVER 2494-4316
ISYS 41428715 CPU BOARD DP1000
ZEMIC H6TF-C3-2.0T-3B LOAD CELL H6TFC320T3B
SIEMENS 1FK7063-5AH71-1KG3 SERVO MOTOR 1FK70635AH711KG3 B528-5929-01-001
ISYS 32745283-001 PCBA DP550 FFE SERCO AMP BOARD
SIEMENS SEAFN VL STORED ENERGY OPERATOR BREAKER 110/127V AC/DC
IDC MOTION 801-203 STEPPER MOTOR S23T 801203
REPAIRED GENERAL ELECTRIC 44A391788-G02 CIRCUIT BOARD 44A391788G02
ISYS 41486291-003 16MB CPU NDP BOARD NDPXXXX
SIEMENS 15799-282-2 BHA VME ADAPTER 157992822
WITTENSTEIN SP140S-MF1-3 GEAR SP140SMF13
GENERAL ELECTRIC DS3800HXMA1L1K EXPANDER BOARD
NUMATICS SBRM1803CCSK0 ROTARY ACTUATOR
ABB DSAI-110 32 POINT INPUT MODULE 57120001-DP/2, DSAI110, 57120001DP2
EATON CUTLER HAMMER IBPFDB3020 BUSWAY CIRCUIT BREAKER ENCLOSURE
GE FANUC IC640WMI910B INTERFACE CARD
GE IC3600AOAL1D1C AMPLIFIER CIRCUIT BOARD
ABB 3HAB8101-13/05D SERVO DRIVE DSQC-346U , DSQC346U
MOOG TYPE: P60HXAA5NSM0-P SERVO VALVE MODEL: D661-5002
MOOG MODEL: J631A064 SERVO VALVE
MOOG MODEL: J661B173A SERVO VALVE
MOOG MODEL: J661-124 SERVO VALVE J661124
REXROTH CML40.2-NP-330-NA-NNNN-NW INDRACONTROL L40 CML402NP330NANNNNNW
SONY MAGNESCALE SR74-052LSKKY SCALE IT SR74052LSKKY
RELIANCE ELECTRIC 86466-75R RECTIFIER STACK 8646675R
SIEMENS A5E00159503 TOUCH PANEL 12'' TFT SERIES P5
YASKAWA ELECTRIC SGBD-15ADG SERVO DRIVE SGBD15ADG
HONEYWELL 46182731-511 MOTHERBOARD ASSEMBLY BPR3 KIT 46182731511
KOLLMORGEN EB-404-D-91-B3000 BRUSHLESS MOTOR 6HP
ABB 3HAB8101-11/06B DRIVE IT DSQC-346E
HONEYWELL MEASUREX 085026-02 PC BOARD 08502602
HONEYWELL MEASUREX 053567-02 PROCESSOR BOARD QSSB ML4, 08502602, 05356702
HONEYWELL MEASUREX 085643-02 BSC TYPE 2 BOARD 053718, 08564302
HONEYWELL MEASUREX 053499-00 BSC QBUS BOARD REV. B 08500103, 05349900
REPAIRED GENERAL ELECTRIC GE DS3800NMFA1D1D BOARD
REPAIRED GENERAL ELECTRIC GE DS3800NSCC1E1D BOARD
REPAIRED GENERAL ELECTRIC GE DS3800NSCD1B1C BOARD
REPAIRED GENERAL ELECTRIC GE DS3800N0CB1J1G BOARD
ABB 3HAB8101-14/05A DSQC345E ROBOT SERVO DRIVE 3HAB810114/05A
BECKER VASF 1.120/2 PUMP W/ E-001-9719-1-000 MODULE
GENERAL ELECTRIC 0621L0451-G001 INTERFACE CARD 0621L0451G001
GE FANUC IC697PCM711W COPROCESSOR IC697PCM711
EATON VICKERS DG5V-8-S-6A-T-M-FPA5WL-B-10 DIRECTIONAL CONTROL VALVE
General Electric DS3800DMEA1D1C Motor Exciter Control
SIEMENS 6SN1124-1AA00-0BA1 DRIVE SIEMENS 6SN1118-0DM21-0AA0
GENERAL ELECTRIC GE DS3800NSWA1A1B BOARD
FANUC A06B-0086-B203 SERVO MOTOR A06B-0086-B203#0100 WITH A860--T321
GENERAL ELECTRIC GE 531X139APMAKG2
WESTINGHOUSE 4256A91G03 PC BOARD 4GHC3-SUB-X
ALLEN BRADLEY 442L-TA40614CACD TRANSMITTER 442LTA40614CACD
WESTINGHOUSE SELTRONIC 83E3105 CIRCUIT BREAKER 600V, 1200AMP
EMERSON MIC-8285A PWM MODULE MIC8285A
MURATEC MVL-GED-INV-100 PANEL DISPLAY BOARD CN8-G106A-610 MVLGEDINV100
FORCE MEASURING SYSTEMS UMGZ080.2K.H.O.H29.590178 LOAD CELL 25MW1-216-204
KONSBERG NORCONTROL 8100172 DIGITAL INPUT MODULE 32 CHANNEL
SIEMENS 6ES5460-7LA13 ANALOG INPUT 6ES54607LA13
GE FANUC IC697BEM713G BUS TRANSMITTER
FANUC A05B-2501-C800 BRAKE IT A05B2501C800
SIEMENS 1FT7034-1AK71-1DG1 SERVO MOTOR 1FT70341AK711DG1
BAILEY CONTROLS IMAMM03 INFI 90 ANALOG MASTER MODULE
AJAX MAGNETHERMIC CORP. U-02-1743-05MK-A POWER SUPPLY BOARD U02174305MKA
PACIFIC SCIENTIFIC S32HNNA-HGVM-00 BRUSHLESS SERVO MOTOR S32HNNAHGVM00
ABB ACS 600 DRIVE ACS601-0009-5 ACS60100095000B120000
GEORGE KELK 60960-D PC BOARD 60960D
TELEMECANIQUE TSX-MAP-1074 COMMICATION MODULE TSXMAP1074
GENERAL ELECTRIC 531X111PSHAPG2 POWER SUPPLY BOARD
ADVANTAGE CONTROLS MGC-X3-G MEGATRON CONTROLLER
BENTLY NEVADA 3300/16-03-01-00-01-00-00 DUAL VIBRATION XY/GAP MONITOR
GETTYS 11-1015-105 SPINDLE DRIVE CONTROLLER 886690, W/ 11-0089-100 MODULES
VISHAY 1250-1000-E053R TRANSDUCER 12501000E053R
VISHAY 1250-AMP TRANSDUCER 1250AMP
CLANSMAN DYNAMICS CDL 2217417 V5A MANIPULATOR BOARD 2217417-V5A
INTERCOLOR FP15-PACAAAZ TOUCH SCREEN HMI FP15PACAAAZ
PARKER SSD 545-0250-9-8-1-088-1010-000 DRIVE 54502509810881010000
PARKER SSD 545-0180-0-8-1-088-1010-000 DRIVE 54501800810881010000
FLOW TECHNOLOGY 608A FLOWMETER W/ EL500 BASE BCA0589 , BAB0518
RACINE PV0-PSS0-06CR-02 HYDRAULIC PUMP PV0PSS006CR02
TURBO MG-711/E FLOW METER 316 TI SS, 1 1/2''-150LB, MG711E
SQUARE D 8739-SCA54 BREAKER CONTROL FORM S 120V/60HZ, 8739SCA54 SIZE 1
SIEMENS 1FK7040-5AK71-1FH2 SERVO MOTOR 1FK70405AK711FH2 A024-2903-01-002
HONEYWELL 51303985-100 ANALOG MODULE 51303985100
HONEYWELL 51304362-350 INTERFACE MODULE 51304362350
JOHN CRANE M35252 MECHANICAL SEAL KIT
DYNAPAR M060671 ENCODER 62-PMEF-0010-AB
ALLEN BRADLEY 284D-FHB2P3Z-10-RR-SB ARMOR START CONTROLLER 284DFHB2P3Z10RRSB
OTHERM DRIVES 584SV/0220/400/0010/US/000/0000/B0/000/000 DRIVE 584-SV
PARKER MPC1141X-115078 SERVO MOTOR 2.4HP, MPC1141X115078
SIEMENS 500-5047-A ANALOG OUTPUT MODULE 5005047A
ATLAS COPCO TC 52P-N DRIVE IT CONTROLLER 4240-0410-80
EMERSON 1151DP5E22S2L4 TRANSMITTER 3051CD3A22A2AB4I5L4M5T152
HONEYWELL MEASUREX 09439200 ANALOG INPUT PROCESSOR 209193
ALLEN BRADLEY 1494G-BF3N-98-412-414 DISCONNECT SWITCH 30A SER.2
NORDSON H-204T HOT MELT APPLICATOR 274600C H204T
YOKOGAWA UT550-04 TEMPERATURE CONTROLLER UT55004
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