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。

AERA PI-98 MASS FLOW CONTROLLER, GAS N2, MODEL: FCPI980CBAXDIDJAA

APPLIED MATERIALS AMAT CMP SLURRY FLOW DETECTION CONTROLLER 100 VAC

MILLIPORE WAFER GARD YY50-32PSI

VAT VALVE PNEUMATIC ANGLE VALVE 26432-KA11-BJI1

FOXBORO INVENSYS 876CR-TXFN-7 TRANSMITTER CONDUCTIVITY AND RESISTIVITY

TOFCO FLOW METER 12-24V DC DUO-PX20G-112-E5

TELEMECANIQUE POWER SUPPLY 100-120 VAC 50/60 HZ ABL8RPS24050

TELEMECANIQUE POWER SUPPLY 100-120 VAC 50/60 HZ ABL8BUF24400

APPLIED MATERIALS AMAT HARNESS ASSEMBLY HEATEXCHANGER EMO 0140-1

OMRON SAFETY LIGHT CURTAIN 4/F3SN-A0297P14-D01

TEL TOKYO ELECTRON PCB BOARD 2L81-050090-11/TAB313-1/DND-R

OMRON TEMP CONTROLLER WITH SOCKET E5C2-R20K P3G-08

SERVER TECH INTELLIGENT POWER MODULE PM20-0-2

ERING TOOL WE1010 120V 85W

TOFLO ULTRASONIC FLOWMETER USF300C-G15-9-B20

BB ELECTRONICS VLINX ETHERNET SERIAL SERVER MODEL ESR902 9-48VDC 8-24 VAC

ABB CONTRACTOR RELAY BC25-30-10

FUJI ELECTRIC EARTH LEAKEGE CIRCUIT BREAKER P/N EW50/RSGU-3P020

TOKYO ELECTRON TEL PCB BOARD TAB352-1/VTD2/CX81-050011-12,

PATLITE LR6- 02WJB LED TOWER 24V DC CLASS 2 6.6W AMP 0.25A

ALLEN BRADLEY 100-A12NJ3-B CONTACTOR WITH 195-FA40-A CONTACT BLOCK ATTACHED

KARL SUSS MA150 MASK ALIGNER BAUMER ELECTRIC PROXIMITY SWITCH IFF 08.24.15/11

SKF SINGLE ROW BALL BEARINGS- FACTORY BEARING P/N 6204-2Z/C4WT LOT OF 8

TOKYO ELECTRON TEL SENSOR BOARD P/N:5

MITCHEL ELECTRONICS 14362-01 REV PCB MEM256 ASSY OO256-ADOI REV A

MKS INSTRUMENTS CV25-K2K2-MTW MANUAL COMPACT VACUUM VALVE

AMAT APPLIED MATERIALS 0190-62317 POWER SUPPLY IT

SUPER MICRO COMPUTER PCB BOARD X7SBI REV 1.02

HORIBASTEC MASS FLOW CONTROL MODEL:SEC-Z12DMN GAS N2

 GeH4/N2

MDC VALVE ISOLATION 313029-10 3870-03886

SAMWON ENG TEMPERATURE SD-49

FANTAS SAM MASS FLOW CONTROLLER, GAS CH2F2, 50 SCCM, 2480G1

SAMSG PVU-2424 SWITCHING POWER SUPPLY 24VDC IN 22.5VDC OUT 2.5A

TOKYO ELECTRON TEL MALTO PCB BOARD UC4PCU021Y1, MODEL: PCU-OOR-02,

SMC CG1 ROD BODY PNEUMATIC CYLINDER CG140-AOH18-100  1.0 MPA MAX

HONEYWELL SENSOTEC SENSORS 060-3155-01

APPLIED MATERIALS AMAT HEATER TAPE CONTROLLER POWER SUPPLY P/N: HTRC WITH TWO CH

EDWARDS HIGH VACUUM FLASH INTERFACE MODEL D37215000

PREDYNE SOLENOID VALVE EH3AAA-MM24VDC 2W 150PSI

KEYENCE CORP KL-4AD CONTROLLER MODULE

SMC MAGNETICALLY COUPLED RODLESS CYLINDER CY3B15-350

APPLIED MATERIALS AMAT 0040-77373

KEYENCE DIGITAL LASER SENSOR AMPLIFIER LV-21A

SMC VALVE CDQ2A40-30-CJMC WITH AUTO SWITCH AND MOTING SCREW 1.0MPA

KARL SUSS MICROTECH MA150 MASK ALIGNER 062260CB139-01 ROBOT CABLE

HAM-LET DIAPHAGM VALVE 60-90 PSI HMS30 4VKC REV A

KITZ MANUAL DIAPHRAGM VALVE PCTFE SEAT TD40S-WC-143-FA-SEP-316LE 10K 1/4"

ABB CIRCUIT BREAKER S 201 DC K 1A, K 4A, K 16A I POLE

SCHURTER AS168X-CB1 CIRCUIT BREAKER

KEYENCE F-20 SIDE VIEW LENS ATTACHMENT

WYES SOLID STATE RELAY WITH COVER WYG 1C 40Z 4

ALLEN-BRADLEY CIRCUIT BREAKER 100-A18NJ3

AP TECH PNEUMATIOC VALVE AP3550SM / 2PW FV4 FV4

APPLIED MATERIALS AMAT UE PRECISION Pressure Switch 0090-01357 EA100D-28

DAINIPPON SCREEN ENGINEERING DNS STEC PAC-EC V2.2A CONTROLLER 50/60HZ 1001502

JAI INDUSTRIAL CAMERA DC 12V CVMA-M300

PARKER PARTEK AIRFLOW METER ZZ-1097

PARKER VERIFLOW PNEUMATIC DIAPHGRAM AIR VALVE 945AOPLPNCSH11VESP

AMAT APPLIED MATERIALS 0150-41880 CH CONTROLLER CABLE REV 02

SWAGELOK DIAPHRAGM VALVE HLV-DFHFR4-O

SMC XLC-25 HIGH VACUUM VALVE

SMC XLC-25H0 High Vacuum Valve High temp TYP

APPLIED MATERIALS AMAT ALIGMENT PIN KAWA 0270-03594

FUJIKIN PNEUMATIC DIAPHGRAM VALVE 0.42MPA 316L-P AK00VUB00

SANYO DENKI PM DRIVER TYPE C 0190-91072

MKS BARATRON PRESSURE SWITCH 021697069

SMC MECHANICAL VALVE SWITCH 3 PORT AIR VZM550

APPLIED MATERIALS 0150-03594 CABLE INTERFACE ASSY PFC INTERFACE

APPLIED MATERIALS AMAT CABLE HARNESS ASSEMBLY 0140-64125

PROTEUS INDUSTRIES FLOW SWITCH CONTROLLER 98008RFR10P1

3M CHARGE GAURD 720 WORK STATION MONITOR 18VDC-24VDC

BIMBA PNEUMATIC AIR CYLINDER LIFT 124 5-DP 1.25" BORE X 4" STROKE STAINLESS

MORITEX FIBER OPTIC LIGHT SOURCE AC100V, 50/60HZ, LAMP 35W, MOD:MVS-400EZ

SANYO DENKI SAN ACE92L GRAPHICS COOLING FAN MODEL 109L0924H4D01

SETRA TORR MICRO DISPLAY M327 LOT OF 7

TOKYO ELECTRON TEL STAY POCKET, 2L10-400105-21. EF CANCELLER

HORIBA STEC SMT-8000 MASS FLOW CONTROLLER 500 SCCM AR GAS

MKS BARATRON PRESSURE TRANSDUCER 1000 TORR 872B13TME2MTI

TOKYO ELECTRON TEL PCB BOARD P/N CPC-T0087A-12, IFCUP #02 T01089

SMC SQUARE COMPACT 140MM ACTUATOR CYLINDER, CDQ2A32-KRC1505

TOKYO ELECTRON TEL THERMAL SWITCH 5W, P/N:2450CM-8082-817, LOT OF 7

TURK PICOFAST SNAP-ON CONNECTOR U-70137 PKG 3Z-0.5-RVS 4.5T/S760/S1057/CS14198

APPLIED MATERIALS AMAT GME CHAMBER PORT LCF WINDOW 0200-04427

AMP SHIELDED CABLE 0226-09710 REV P1 KTC

MKS VACUUM GAUGE CONTROLLER WITH BRACKET, 945 PIRANI, 90-130VAC

EBARA TECH BELLOWS M/J RUBBER C-3212-013-0001 LOT OF 12

APPLIED MATERIALS AMAT CLAMP END AR FLEX 8" GATE VALVE 0200-20700  LOT 0F 2

TOKYO ELECTRON TEL TUBE 9.52 X 12.70 TEFLON 9003-PFA-HG

YAMAMOTO ELECTRIC DIFFERENTIAL PRESSURE SWITCH TYPE MS61L

APPLIED MATERIALS AMAT 0150-00243 REV C

AXCELIS GROD STRAPS DOOR 1600831 REV K

PARKER TWO WAY BALL VALVE 8Z(A)B8AJ-V-SSP-OVSS-LD

ORIENTAL MOTOR CO VEXTA DRIVE B2108-0713AS

TURK PICOFAST SNAP-ON CONNECTOR U-70137 PKG 3Z-0.5-RVS 4.5T/S760/S105 7/CS14198

PARKER VERIFLOW VALVE AA55A0PLPNCS5370

KOGANEI VACUUM REGULATOR 100KPA VR200

SMC VALVE SOLENOID WITH BRACKET SS5J3-60SQ1A-08DS

OMEGA CN101 HIGH TEMPERATURE ALARM

ASML PCB BOARD PCI FFL480B06N-012 REV 3.5

MKS INSTRUMENTS ORION COMPACT PDB VACUUM SURGE PROTECT POWER IN 90-240 VAC

EBARA TECHNOLOGY VALVE INTEGRATION SYSTEM C-2252-023-000

CUTLER-HAMMER DISPLAY MODULE IQ 200

FUJIKIN DEVICE NET DIGITAL FLOW CONTROL SYSTEM DGCS-WR FCSWR-DN-4CW-F2400

APPLIED MATERIALS AMAT CABLE HARNESS ASSY 0140-25367

SIEMENS SIMATIC MODULE SIMATIC S7-1200 SM 1222 DC

TESCOM MANUAL PRESSURE CONTROLLER .20 MPA/30 PSIG RT0017069A

TOKYO ELECTRON TEL CABLE ASSY CN-63-CZ 8 FEET 036-006254-1  

KEYENCE ANALOG INPUT MODULE KV-AD40G

Omron E52-CA35 1.6o THERMOCOUPLE K TYPE CS036-009468-1

OMRON CONDUCTIVE LEVEL CONTROLLER 61F-GPN-BT

FUJI ELECTRIC MAGNETIC CONTACTOR ASSEMBLY SC-2N/UD-1 SC-0-1

CISCO DCJ1902-01PLF POWER SUPPLY QUALITY COMPONENTS AND SYSTEMS PTE LTD 100-240V

APPLIED MATERIALS DC BIAS DIVIDER BD ASSY 0100-09038 REV AMAT PCB

OLYMPUS LG-PS2-5 FIBER OPTIC LIGHT SOURCE

1  OLYMPUS LG-PS2-5 FIBER OPTIC LIGHT SOURCE

ITED ELECTRIC CONTROL J40 9591 9519 PRESSURE SWITCH

NIKON NS202A SCANNER 4S013-188 LINK-RX

ABLECOM POWER SUPPLY PWS-521-1H SUPERMICRO 1U MULTI OUTPUT POWER SUPPLY

AMPLEAPPLIED MATERIALS YASKAWA SERVOPACK DRIVER SGDS-04A31A SGDS-04A3

PROPORTION AIR DS SERIES PRESSURE TRANSDUCER MODEL DSX100

HOKUYO AUTOMATIC CO., LTD.DM-HB1Z OPTICAL DATA TRANSMISSION DEVICE ()

APPLIED MATERIALS AMAT WB HTR AR GAS LINE, 0050-76030,

VULVAC SHEATH THERM-COUPLE EM1981-63812C

APPLIED MATERIALS AMAT LOWER TUBE CLAMP 0021-25858

ULVAC JAPAN BEARING 35MMX72MMX17MM 7207DF

MKS BARATRON PRESSURE TRANSDUCER 1000 TORR 872B13TME2MT1

YASKAWA ELECTRIC SERVOPACK SGDV-R70A01AY831AB

BROOKS INSTRUMENT SLA7951SZ205 MASS FLOW CONTROLLER GAS N20 25SLPM

POTTER  BRUMFIELD COIL RELAY 24 V 50/60 HZ KHAU-17A11-24

HUBA CONTROL TYPE 6041.E010020 ADJUSTABLE DIRECT CONTROL SWITCH

CDK AGD-R SERIES DIAPHRAGM PNEUMATIC VALVE MAGD-11R-AT2-C01