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。
以下链接皆有货
Burkert 00152557 Solenoid Valve
3M Lens Assembly 6898/37006 For 3M 6898 Series Full face Respirators
3M Lens Assembly 6898/37006 For 3M 6898 Series Full face Respirators
Rexroth 581-158-000-2 Pneumatic Control Valve #2
Cash-Acme Heatguard HG110-D Thermostatic Mixing Valve
Cash-Acme Heatguard HG110-D Thermostatic Mixing Valve
Sun Hydraulic PRDB LBN 1A/2 Direct-acting pressure reducing/relieving valve
PepperlFuchs Inductive Sensor Proximity Switch 3RG4014-0AB00-PF
Flutec 705026 DV-10-01.1/0 Throttle
SIRAI SOLENOID VALVE 24 Volt Type Z610A
96V211 Coil Valve water 120V 29BB
Miniature pressure switch Danfoss ACB-2UA722W, 061F7427
Relay Control RS-1M Momentary Reversing Drum Control with Steel Handle
Allied Telesyn AT MC101XL Fast Ethernet Media Converter
Econsto Spring-Loaded Safety Valve Fig. 1515 Steel Low-Lifting G1/2" 5-10 Bar
Cerberus Pyrotronics Siemens MS-51 Non-coded Fire Alarm Pull Station
NOZZLE, FLATJET,F/DRILLERS 14843271
Siemens Simatic S5 6es5 375-0lc21 Memory Module
Honeywell GLC Series Adjustable Roller Lever Limit Switch GLCB07A2B, RS 308-195
Victor FBR-2 Regulator Flashback Arrestors
Rexroth 3710760300 Directional Control Valve
Rexroth 3722250220 Pneumatic Directional Valve
Wabco Rexroth 5630700000 3/2-way Plunger Spring Directional Control Valve
Rexroth 3340190000 Pneumatic Modular Check Valve
Carlo Gavazzi 5100526 Excitation Output
Ss 316 Pn: 75700114 Ago Valvola 10000 Psi - 700 BAR Prodotto IN Taiwan
Wilden 01-9552-58 Repair Kit
Danfoss R502 -068Z3212 Thermal Expansion Valve
Danfoss 032F8107 solenoid Valve EVR 3
Kappa Vintage Marine Nautical Slave Wall Clock
Delavan 3.00 60B CT Oil Burner Nozzles Furnace Boiler 3.00 - 5 PCS. LOT
Delavan 3.50 60B CT Oil Burner Nozzles Furnace Boiler 3.50 - 5 PCS. LOT
Sauter Rak82.4/3726m Thermostat din Tr 706 01 IP40
Parker Lucifer 341L9534-2995 Solenoid Valve
Nagano Keiki Co. Ltd KM15-17A Pressure Transmitter
Pepperl-Fuchs NCB10-30GM40-N0-V1 181119
Trafag Npn 8264 Picotrans 8264.77.2518 0-6 Pressure Bar Emripe Conn Flange
Killark Stahl 8013 Series 24VAC Indicating Lamp PN: 8013/24-01-56
Baumer IRFM 18N1104/S14L Proximity Switch
Woodward 5464-738 Industrial Control System
CONN RCPT HSG FMALE 16PS INLINE
LED Power Amplifier 24V
Figaro TGS816 Gas Sensor Ø 19,5mm
Killark/Hubbell G0B3-G23C-N34 Green Pilot Light Control Operators
Federal Signal Corporation TM5 Yeow TModule
Sauter Rak82.4/3728m Thermostat din Tr 706 01 IP40
Honeywell WFS-1001-H Liquid Flow Switch Water Flow Switch Sensor
Danfoss MBT5250 Temperature Sensor 084Z8036
YPC Solenoid Valve Junction DC24V SF2601-IP-SC1-D4
Electro Corporation Invensys 3040A Sensor
VERSA QE-3-316 QUICK EXHAUST VALVE
Redington 722-0004 Electromechanical Hour Meter 90/264VAC 50/60Hz -
Ingersoll Rand Pump Diaphragm 93465-G - 2 Pcs. Lot
Ingersoll Rand Pump Diaphragm 93465 - 2 Pcs. Lot
SPM Shock Pulse Transducer Type SPM 42011.
Redington 722-0004 Electromagnetic Hour Meter 90/264VAC 50/60Hz -
Conn Rcpt Hsg Female 16hp Inline
Ingersoll Rand Pump Diaphragm 93465-G - 2 PC Lot
Siemens 3SE5112-0CC02 Limit Switch
Bernstein ENM2-SU1Z Riw Roller Level Limit Switch 608.7367.005
Grundfos 98371105 Replacement Chamber Cr (I) 1520
Grundfos 98394448 Wheel Cr (I) 15
Scott 093-0231 LED Downlight Combustibles Sensor for Protege Gas Detection
Bürkert 00152557 Solenoid Valve
Cash-Acme Heat Shield HG110-D Thermostatic Mixing Valve
Siemens 3SE5112-0CH01 Interruttore Limite Di Viaggio Manovella A Rullo IN Metal
Hanyoung Nux BEWT-215 On/Off Switch Waterproof Type 3P 15A 440V a.C ABS
Econsto Spring Loaded Safety Valve Fig. 1515 Steel Low Lifting G1/2 " 5-10
Cerberus Pyrotronics Siemens MS-51 Non-Coded Fire Alarm Train Station
Victor FBR-2 Regulator Flashback On Arrest Resistor
Hubbell HBL320P7W Pin and Sleeve Waterproof Connector 2P 3W 20A 480V
Rexroth 3340190000 Pneumatic Modular Checkered Valve
Wabco Rexroth 5630700000 3/2-Way Stamp Spring Directional Control Valve
Carlo Gavazzi 5100526 Excitation Performance
Ss 316 Pn : 75700114 Ago Valvola 10000 Psi - 700 Rod Prodotto Pin Taiwan
Delavan 3.00 60B CT Oil Burner Nozzles Furnace - 3.00 - 5 PC Lot
Delavan 3.50 60B CT Oil Burner Nozzles Furnace - 3.50 - 5 PC Lot
Nagano Keiki Co.Ltd KM15-17A Pressure Transmitter
Trafag Npn 8264 Picotrans 8264.77.2518 0-6 Push Rod Emripe Conn Flange
Whitman Controls P95-5-52L72 Pressure Switch Max Psig 4000
Honeywell WFS-1001-H Liquid Flow Switch Water Sensor
Federal Signal Corporation TM5 Yeow Sound Module
Killark/Hubbell G0B3-G23C-N34 Green Pilot Light Control Operator
Figaro TGS816 Gas Sensor Ø 19.5 mm
YPC Solenoid Valve Connector DC24V SF2601-IP-SC1-D4
Ingersoll Rand Pump Diaphragm 93465 - 2 PC Lot
Binks Valve / Regulator 3/4-20 Max 4000 Psi 275 Rod
SPM Vinration Transducer. Type SLD244B
DEN-SIN P/N 550231 For High Pressure Washer / Nozzle Machine
Yokogawa 50-250344PZSJ Analog Panel Meter 0-600 Voltage AC
SUN Hydraulic Prdb Lbn 1a/2 Direct Acting Pressure Reducing / Relieving Valve
Killark Steel 8013 Series 24VAC Self Display Lamp Pn : 8013/24-01-56
Siemens 7PU4220-2B N20 Volt 220
Merlin Gerin Compact C101N 40Amp Circuit Breaker Mccb 28/40A
MEAN WELL DR-4524 Power Supply 24V
Parker Series 5 Reel
VDO Pressure Gauge Display 0-72 Psi / 0-5 Rod
530SE Primary Control for Riello 40G Oil Burner Control Electrics Eye U
Stallion G0891T206 Time Meter 220VAC 60Hz 7 Number
WOODWARD 66503 8062-482 FUEL CONTROL MAIN TURBINE ENGINE 9278M96P10
BAUMULLER BKH63-150/195-64-014 COMPACT POWER UNIT BKH63-150/195-64-021
CONVERTEAM MVRL2100-4601 2100/1540A LIQUID COOLED RECTIFIER MODULE
NORIS MARINE SYSTEMS 063-168-2 ALARM MONITORING SYSTEM
NORIS AUTOMATION GMBH REMOTE CONTROL SYSTEM NORISTAR 2000 CENTRAL UNIT/PORT
MAN 32/44CR FUEL INJECTION PUMP 8364316 11.20401-0001
MTU LOP 8-04 LOCAL OPERATING PANEL X 00E5 0100 077/S0026
ABB ACS800-U4-0300-5E210P901 Drive Module 300HP 180kW ACS800-U4
HYTORC RATCHET HY-8XLCT HYDRAULIC TORQUE TOOL
RELIANCE ELECTRIC GV3000/SE SENSORLESS ENHANCED AC DRIVE 400HP
ABB ACS800-104LC-0700-7E205 INVERTER DRIVE
ABB ACS800-704LC-2150-7 DRIVE SUPPLY UNIT 68648858
ABB ACS 600 AC VARIABLE FREQUENCY DRIVE ACW6842600600000300905
FANUC A04B-0800-C025 TURBO BLOWER WITH BiI50M/60000 A06B-1608-B170#061S
WOODWARD PGD C8576 001 GOVERNOR 466-981 RPM
GEFRAN ADP200-4370-KBP-4-C-RS-24 INVERTER ADP200
KONECRANES PSU055NF1N1 DYNALIFT VECTOR II INVERTER DRIVE
MAK/CAT 1.00.7-36.29.00-43 AND 1.00.7-36.21.00-62 PCB CARD RACK PANEL
HRVSDN STARTER FLC 300A
OLYMPUS IV6C6-13, IV-6A, IW-R1, ILH-1, MAJ-522, 6LC20B BORESCOPE EQUIPMENT
SG BROWN TSS DMS-H DYNAMIC MOTION SENSOR REMOTE REPEATER 971901
BASLER DECS-200 DIGITAL EXCITATION CONTROL SYSTEM DECS-200-1L PANEL
NORIS AUTOMATION GMBH ART NO 8702009 CAT MAK 8M32C CONTROLLER
HAAS HFD-4 VECTOR DRIVE 29-10072A REV.B 40HP
ABB VTR 304-P11 TURBOCHARGER TOOLS KIT
FARR WINCATT/TOSHIBA TABLET 480
OPA 1104V-4G-15 HYDRAULIC GOVERNORS
FANUC A04B-0800-C019 TURBO BLOWER WITH BiI50M/60000 A06B-1608-B170#061S
KONECRANES D2V030NF1N06 DYNAHOIST VECTOR II INVERTER DRIVE
ALLEN-BRADLEY 20F11NC060AA0NNNNN POWERFLEX 753 AC DRIVE SER.A
ASHTEAD TECHNOLOGY TSC U31 U/W SUBSEA UNIT S9432 W027041-R
HYUNDAI ACONIS-PMS SYSTEM WITH CARD