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。
22-277932-00 / O-RING,MLD,ULTIC ARMOR,18.18X.139 / LAM RESEARCH
SU-7 /SX PHOTOELECTRIC SENSOR /SX
AP-1036C AP-1037B / PCB ASSEMBLY DAUGHTER AP-1037B / DNS DAI NIPPON SCREEN
WBL-MIF / MIF 4,BLD-020100 / ADVANTEST
MQDA043A1A / AC SERVO DRIVER I-200-230V O-109V ENCODER 3PH 1.8A / PANASONIC
1002133 / HD4 WLP DMD SOCKET BOARD, ASSY 1002132, ESD 1002134 / TEXAS INSTRUMENT
4128881-0001 / DIGITAL ISOLATION SHUTDOWN MODULE, MJ1-OP, MJ2-EMCA, MJ3-IP, MX1
0100-00017 / WPCB ASY SYSTEM AC INTERFACE / APPLIED MATERIALS AMAT
GECS-001 / PCB CONNECTION BOARD / DNS DAI NIPPON SCREEN
OP-42342 /KEYENCE REMOTE WITH CABLE /KEYENCE CORPORATION OF AMERICA
000000-0504-270 / TW93700 FLOW METER WATCHTER / ZEISS
36-0150 / FT CABLE INTERFACE BOARD / PROMETRIX
S1-0085 / SPECTROMETER INTERCONNECT / PROMETRIX
372-36128 / STEPPER MOTOR CONTROLLER / WESTECH
LPM-SCP-005 N1 () / FILTER CARTRIDGES 0.5 UM LABO-PURE 5CYEY273 MISSBACH
G9SA-321-T15 / SAFETY RELAY IT / OMRON
0100-90650 / PWBA, WHEEL CURRENT / APPLIED MATERIALS AMAT
0100-14003 / 0130-14003, LEAK DETECTOR INTERFACE BOARD / AMAT
4018082 (0) /PROCESS CHAMBER KNOB LATCH BOLT / NOVELLUS
MN3S010-C4-T50-6-4 /CKD SOLENOID VALVE BLOCK MANI N4S0-E / TOKYO ELECTRON TEL
378-134-5() / 10X / 24 WF EYEGLASSES / MICROMANIPULATOR
557864() / VALVE, SOLENOID CLOSED MONOSTABLE, MHA1-M1LCH-2/2G-1.5-HC
USH-2002MAL / SUPER HIGH PRESSURE UV LAMP(2400W) / USHIO
P-RUA10-TW2AT (4) / REDUCING ION ADAPTOR SUPER 300/ NIPPON PILLAR
18-009858 / POWER SUPPLY R WHITE LIGHT REPA / LAMBDA ELECTRONICS
WGFV40HP1() /WAFERGAURD CARTRIDGE FILTER F-40 0.1 UM 2-015 NOSE EPR O-RI
FHP30SX-U / SWITCHING POWER SUPPLY,30V,16A / ETA ELECTRIC INDUSTRY CO
810-000392-001 / PCB, SERIAL I/O REV.D / LAM RESEARCH CORPORATION
WTC-01 / PCB ASSY / FAITH ENTERPRISES
275592 / GAUGE 275 MINI-CONVECTRON SWLL 300MM 3310-00313 / GRANVILLE-PHILLIPS
205042 / TERMIFLEX INC WPI TEACH PENDANT / WPI TERMIFLEX, INC
ITC-8100 / FRONT PANEL PCB ASSY, OPER900,3289 / SCI SYSTEMS INC
0200-02398 / PIN, LIFT CERAMIC, 300MM TXZ SST HEATER / APPLIED MATERIALS AMAT
0190-39904 / D-LINK DES-3528 ETHERNET SWITCH / APPLIED MATERIALS AMAT
SYA400S 3R3 / POWER SUPPLY MODULE WBL-BPS 3.3V 80A ADVANTEST / NEMIC-LAMBDA
A13305000 / FL20K FORELINE TRAP / EDWARDS
E15002390 / PCB ASSY, CONTROL BOARD, MULTI VAC / VARIAN
495517 (LOT OF 70) /HIRSCHMANN TEST MEASUREMENT BO10-SOCKET 4MM / FARNELL HIVOLT
0150-09093 / BUTTON EMERGENCY OFF SWITCH / APPLIED MATERIALS AMAT
409A6029-2 / GLOBE MOTORS AVNET LABINAL12V DC / HAMILTON COMPANY
715-009161-001 / LIFTER, WAFER /LAM RESEARCH CORPORATION
5IK90A-SW / INDUCTION MOTOR, 3 PHASE, 50-60HZ, 230V, 90W / ORIENTAL MOTOR
H3DE-H / CONTROLLER CN1 CN2 CN3 CN4 CN5 CN6 CN7 / DNS DAI NIPPON SCREEN
NBP2024 / PCB KJ040100 / NEXCOM
FDS1111 / POWER SUPPLY 11V-34A / ADVANTEST
FC-D985CT-BF (C3F8) (50SCCM) / MFC,50SCCM,GAS C3F8 / AERA
13-8872-094 / TIP, 200MM, BLADE LIFTER(BROWN) / LAM RESEARCH
859-0741-006 B / DSP MOTHER BRD W/X2 ADSP-2100 MODULE ASSY 851-8240-007 K / SVG
LLL315R71E473MA22L DBONE0612(LOT OF 12,000) / CAPACITOR CER 1UF 2.5V X7S 0204
DFA4201Y005A / SLURRY FILTER 0.5U / PRAXAIR
TC530 / TURBO VACUUM PUMP CONTROLLER POWER SUPPLY / OSAKA
0200-02067 / BUSHING HOOP WAFER LIFT PRODUCER E / APPLIED MATERIALS AMAT
HF-MP43 / AC SERVO MOTOR / MITSUBISHI
810-046015-009 / PCB ASSY VIOP III BOARD MODULE CARD / LAM RESEARCH CORPORATION
0021-39935 / LINER, UPPER / APPLIED MATERIALS AMAT
8112322G160 / CABLE INTERCONNECT 60FT /BROOKS AUTOMATION
UFC-8100 / MFC 50SCCM SF 760TORR / IT
0150-35961() / CABLE ASSY,RECIPE SELECT,25 FT / APPLIED MATERIALS AMAT
2101-041005A / INSERT LINE / ASM AMERICA INC
A90-030-01 / PCA, LOADLOCK, INTERFACE BD, PCB / GASONICS
3M10-404704-11 / TEL FLOAT LIFT PIN 3.6, WAFER / TOKYO ELECTRON TEL
E0R05-1813 / PCB LCD CONTROL ST228 / TAZMO
0021-46657 / DRIP PAN BLOCK A, PRODUCER GT / APPLIED MATERIALS AMAT
101073625-001 / UPS CIRCUIT CONTROL BOARD / POWERWARE
15-047529-00 / PLATE,PED,BLNKOFF,150MM / NOVELLUS
249276-001 / ILLUMINATOR OPTICAL CONTROLER BOARD / ELECTROGLAS
VL-7806D / PCB, KLA-TENCOR 53-0010 / VERSALOGIC
15-00503-00 / BRKT, ONE-ARM ROBOT / NOVELLUS
250-VX3MUX-6130 / PCB, VX330 XY MUX / DIGITAL EQUIPMENT CORP DEC
10-600069C2 / LINEAR AXIS CONTROLLER BOARD PCB 14-069C200 / RAMIX
4416E / 4416E 4 WIRE TO 2 WIRE DST TELLABS 824416E / TELLABS
KH3-94040 / SNT-N11V 030611, 400222792, A030611B, 1-16,BGB-023613 / ADVANTEST
0295-0016-1001()/APERTURE SHUTTER UPSTREAM 0.375IN SLOT GRAPHITE/AXCELIS
DHT-00-KX-000 / DISPENSE HEAD FOR (SC720) / ENTEGRIS
15730 /24V DC VACUUM VALVE TYPE TTR211 S / LEYBOLD VACCUM PRODUCTS
SGM-01U3B4CL /AC SERVO MOTOR 100W 200V .87A 0.318NM RMIN 3000 SK-200 TRANSPORT/
RCA-S-RSA / ROBO CYLINDER RSA-L-100 CONTROLLER,SABRE / IAI
LA23BCK-P10 / CMC 7SN23-2 Z STEPPER MOTOR 4PH 1.8 DEG / EASTERN AIR DEVICE
100317416 / BELLOWS THIN WALL KF50 / MKS
77-604-0301140-00 / IMAGE COMPENSATION IT ICU2U / HERMES MICROVISION INC HMI
898507(NO GLASS SIGHT TUBE) / LEYBOLD OIL FILTER, PF-1000 / LEYBOLD
BI5-M18-AD4X () / INDUCTIVE SENSOR ID. 44110 10-65VDC 100MA / TURCK
MOELH103 / SOLENOID VALVE H103 / DISCO
52-107-336-002 () / OIL RING FOR AC PUMP SERIES 9000/ALLIS-CHAMBERS PUMP
LEP240F / POWER SUPPLY TEL DS5180-000021-11 ASSY DC24V 50630-1161 / COSEL
KS-B14/E14 () / SELENOID VALVE REPAIR KIT() / SPORLAN
UG10-002529-11 / COVER ROLLERS / TEL EPION INC
UG10-001318-11 / SHIELD SCAN ARM / TEL EPION INC
TV-501A /VIDEO TO VGA TV-501A BNC-VGA /CASCADE MICROTECH INC
577493-001 /HEWLETT-PACKARD 6000 HEATSINK 577493-001 /HEWLETT PACKARD
D6CL-80 /VEXTA STEPPING MOTOR,CLEAN DAMPER D6CL-80 /VEXTA
15-045078-00 / JIG,WFR ALGN 150MM W/FLAT / NOVELLUS
NSAVH-8B0 / VALVE, NO-VENTIL / HARA
1491-7106 /MODULE S-A, LEVEL SENSE TRANS T /SCHUMACHER
2007.12.20 /PCB BOARD, LAMP DETECTOR /ZMISC
414B1049956 /PCB BOARD CN-OC3776-68243-4BS-2707, RD01-D850 /CONEXANT
CWS000-A /PCB BOARD R8366A1 001C /ZMISC
CWS815 /PCB BOARD, R835671 016C, DWG.NO. 331QA53292 /ZMISC
DFA1UPWNP64M / HOT IPA METAL REMOVAL FILTER / PALL
TM-200 31012584 / ASSY CAMERA WITH LENS / PULNIX
UPC-2010()/1 PRINT CART, 200 SHEETS OF PAPER, FOR UP-2000 PRINTER/ SONY
800-1657B / DELTA PN 1990317-101 XENUS DRIVER / COPLEY CONTROLS CORP
NCDQ2WB50-UIA970152 / CYLINDER MZX. PRESS 145PSI / SMC
14205B614 / MOTOR DC 30.3VDC 500CPR 14205B614 E22 / PITTMAN
ACB XEIN11 / TERMINAL, 16 INPUT TERMINAL DISPLAY / ELECTRONIC VISIONS
2-VC-31482 / 24V SOLVENT DEVELOP HMDS BULK SUPPLY TIME UPPER / DAI NIPPON SCREEN
161-546-347 / BALL VALVE, TYPE 546 2"DN50 EPDM PVC-U PN16 / GEORG FISCHER
DB-H21-101 / PCB ES0603 DIP POWER SOURCE CONTROL IT / PBF
DB-D69-101D / PCB EH0112A DIP POWER SOURCE CONTROL IT / PBF
CKS-3.3-150A / POWER SUPPLY, DC 3.3V / NEMIC-LAMBDA
AV-075M-P / ANGLE VALVE PNEUMATIC ACTUATOR / MDC
EZM-20L-F / EZI-STEP CLOSED LOOP STEPPING MOTOR / FASTECH
8002A / AIR FLOW MONITOR 800 MODEL FKM130.11 / PROXITRON
801-206-001 / POWER SUPPLY,(WITH COVER) / ELECTRO SCIENTIFIC INDUSTRIES
0200-09158-F / WINDOW, HEATER, CVD CHAMBER / APPLIED MATERIALS AMAT
3870-01325 / VALVE ADATOR PRESS REL CRYOPUMP/CASS LOADLK / APPLIED MATERIALS
94V-0 1796/ PCB SCSI EXPANSION ISA PORT G87 G36A/ U-C COMPONENTS, INC
558482 / BULB KIT 10 INCH BT13H 558482 / FUSION SEMICONDUCTOR SYSTEMS
720-06887-000 / DA DETECTOR AMPLIFIER MODULE / KLA TENCOR 8100 8100XP
CV-1-6644 / CHECK VALVE 1/4FLR IN-LINE TFE R147 LW12572 / PARKER
0010-47135 / ASSY RIM PRESS VALVE SWITCH 300MM EPI / APPLIED MATERIALS AMAT
BGR-021964 / 10V PPS CONTROL PCB / ADVANTEST
103186-000 / PCB OVEN CONTROL / TERADYNE
CM-210A (DC)/CHEMICAL SOLUTION MONITOR HGS NO. DELKY6N5 DC24V 3W/HORIBA
2506696-21 / PCB, STAND DINBUS TEMPR / ASM AMERICA INC
0015-09056 / BELLOWS LIFT SOLID AMT 0015-09056 / APPLIED MATERIALS AMAT
5-39-00802 / VALVE AIR AS-5260-31CIW / DNS DAI NIPPON SCREEN
101-149-097 / ULTRA SONIC BOOSTER / BRANSON ULTRASONICS CORP
WGGB12S02 () / FILTER N2 PURGE FILTER FOR VP / MILLIPORE
0010-37402 / ETC HOSE ASSY DOME CNDCTV 3/8 TFE/TPG 96 IN LG / APPLIED MATERIALS
3-850289-A () / SHAFT PIN PUSHER EPS SUS316L / HITACHI
18911 / NOVELLUS ALTUS, LEYBOLD, EX, AF 16/25 / LEYBOLD