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
25Pk APEM Optoelectronics Panel Indicators Pilot Lights QRM85BXXG02E Green 2VDC
25Pk PSP Profile Double-Acting 6.5" Bore Hydraulic Piston Seals 4622PSP437N
25ppm
26" FLR Front Fender Harley Davidson Touring
26,200m Bedra Topas H.E.A.T. EDM Wire Roll 0.300mm 800 MPa 38lbs
26.5 LB Spool Rescal Nichrome Alloy Resistance Heating Wire .0453"
2600' Carlisle IT 22AWG 7/30 Stranded PTFE Silver Plated Copper Hook-Up Wire Bla
270' Spool Southwire Telcoflex 10/1 10 AWG L3 Central Office Copper Power Wire
2700' Carlisle Thermax 22-ATE-1934 WHT/PRT Stranded Silver Coated Copper
279' Kalas 6 AWG 6/1 133 STR XLP Bare Copper Battery Cable Type SGX Insulated
28' 3-1/4" Rotary 4 Post Lift Wire Rope Cable S130024
28" Continental Hose XR16SC-24 2000 PSI Max 1-1/2" SG-DLFX-2452 Swivel Fittings
29 Asmt Loose Machine Drill Taps Spiral & Straight Flute M4 to M16 Zebra & Craft
295'L x 19" W Krempel Group Covering Film PENDF25/25/25
29Pcs Chicago-Latrobe Left-Hand Helix Jobber Length Drill Set 69876
2GG2U04R Honor Hydraulic Gear pump SAE A 2-Bolt 9 Tooth Spline .024 CID
2nd Stage Planet Gear 3024502CL 3024503CL 302266 PT6A-45A/45B/45R
2Pk Power Stop S4690 Rear Disc Brake Caliper Cast Iron Red 2000 Ford Excursion
2Pk Ruland Rigid Shaft Coupling 25mm Dia Bore Stainless Steel MSPC-25-25-SS
2-Stage Log Splitter Pump 9/16" Keyed Shaft 1-3/8" Long 4-Bolt
2x 208-250V 50A PDU for S19 E9 PowerStrip NEMA 6-50P 8x C13 Rackmount Datacenter
2x Lenco 15158-001 HD Heavy Duty Actuator 2-1/4" Stroke 12V 14AWG W/Hardware
2x OEM Trane CenTraVac Chiller SKF K4 Ceramic Bearings BRG01642 7318 3.54" Bore
2x SEMSYSCO 9 Nozzle Chamber Manifold Assembly A01S-012-230-02
2x StopTech Front Slotted AeroRotor 380 x 32mm For 2007-2012 Ford Mustang GT500
2XL Tyvek disposable coverall 500 Xpert Hood White Category 3 MT00452842
3 1/8 " x 160' MAXStick DIamond Adhesive Thermal Linerless Sticky 10/24
3 HP 1800 RPM 1 PH 115/208-230 V 184 Frame TEFC 1755RPM Rigid Base See desc.
3 Piece OEM Tesla All Weather Floor Mats 1448751-00-B for 2017-2022 Model 3
3 Piece OEM Tesla All Weather Floor Mats 1616599-00-A For 2021-2024 Model 3 & Y
3 Piece OEM Tesla All Weather Floor Mats 1st & 2nd Rows for 2017-2023 Model 3
3 Piece Set OEM Tesla All Weather Floor Mats for 2017-2023 Model 3
3 Piece Set Weather Tech Floor Liner 1616599-00-A For 2020 Tesla Model Y
3 Port Gold 3/4" Faucet Tap Splitter with Ball Valves
3" Brass Press x Press Full Port Ball Vale, No Handle 200 WOG JP-100XLC
3" Core 2" x 4" White Thermal Transfer Labels 700 Labels Per Roll
3" Everhard Pin Vent Trimmer SHSS Taper Blades With Holes DH71530
3,000' Spool 5/32" Solid Cotton Braid Rope
3.0 Mil White MDO/S692N/40#BG Acrylic Adhesive Label Roll 10.625" W 10118' L
3/4" Clutch Elect Tapered IMPT 12V/45W 6-1/4" 2 A/B Belt Sheave 388-25516
3/4" Clutch Elect Tapered IMPT 388-25516 12V 45W 6-1/4" OD A/B Belt Sheave
3/4" Squared Metal Trigger Horse Snap Nickle Plated 10126DC
3/4" x 4" SCH 160 Seamless Pipe Nipples Black Carbon Steel 15130708
3/4" x 4-1/2" L S80 A106B MNPT Steel Black SMLS Steel Pipe Nipple Tube
3/4" x 50' Drain Cleaning Inner Core Auger Cable
3/4" X 50' Trident Marine Seaflex 100-0346 Wired Wet Exhaust & Water Hose
3/4HP Single Phase 1724 RPM 120V Type YC4-C-0.5 2021040835 Induction Motor
3/8" x 1/4" Connectors 45° Flare Tube to MPT U1-6B AD6MS-4MP
30' Aero Specialties 400Hz 2/0 AC GPU Power Output Cable 6 Pole Female Hardhead
30' MSA 62810-00K1 Sealed 3/16 Stainless Steel Cable Kit
30' of 3/8" ID Glycol Insulated 5 Color Coded Line Beer Trunk Line 9" OD Trunk
30 PK OEM Toro 3/8" Mount x 4-1/2"L Tine Quads For Toro ProCore 1298 440 648
30' Republic Wire 2/0 AWG 167.43 Type T90 or TW75 THHN or TWHN 600V 249025
30' Woodhead 3095-002 Super-Safeway Outlet Box 3 Phase Cord Set 20AMP 120/208VAC
30" Control Panel Touch Screen For Combination Wall Oven JMW2430LL W11428926
30" x 30" Recora Safety Detection Switch Mat Black BZ01183874
300' 8/1C AWG XLP/USE-2 7 Strand 600V Copper Building Wire M608ST-01 SEE DESC
300' Alpha Wire 1219/25C Shielded 25 Conductor 24/25 24 AWG CM AWM CMG FT4
300' Channell Opti-Squid Terminal 4 Port Cable Stub Toneable Hardened Fiber
300' Continental DOT CT Air Brake Hose 3/8" SAE J1402 A
300' Fieldbus 16AWG 2C Marine Shipboard E300716-01 C16X90T-2 600V Yellow
300' Jason Industries Yellow Ribbed Discharge Hose 1-1/2" ID 250Psi
300' Omnicable 12AWG 600V White Cable Spool C61201-02
300' Parker Hannifin Parflex Thermoplastic Hydraulic Hose 3/8" 4000PSI 528N-6
300' Southwire TelcoFlex 2AWG Grey L4 I Cloth Braided 600v Stranded Copper
300' Tompkins Industries Nylon Protective Hose Sleeve NHS-225 MSHA IC-171/1
300' x 3-1/2" ROLL SINGLE T VINYL BOTTOM SEAL Brown 141102
300' x 8" x .080" Roll Standard Clear PVC Smooth Curtain Door Strip e5gpb00448
3000' 18 AWG Stranded Copper Wire J1128 Type TXL Green/Black 6TXL-1801-5 Auto
3000' Corning Optical Singlemode OS2 1 Fiber Black Fiber Optic Cable
3000' Minerallac 67690 Polyester Pulling Tape 5/8" W 1800 lb Breaking
3000 Pcs Yazaki Automotive Connector 7116415102 TERM YESC FEM 2.8MM SLD
3000 Pk Texas Instruments Current Sense Regulator High/Low-Side SC-70-6
3000 Pk Texas Instruments Operational Amplifiers Op Amps 1.8V 2.9uA 90kHz R-to-R
3000 Pk Texas Instruments Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-5
3000 Pk TI 14V Clamp 2.5A (8/20µs) Ipp Tvs Diode Surface Mount 14-USON 3.5x1.35
3000 Pk TI Linear Voltage Regulator IC Positive Adjustable 1 Output 1.05A 10-SON
3000 Pk TI Micropower 1.8-V 17-µA Zero-drift CMOS Precision Operational Amplifie
3000 Pk TI Supervisor Open Drain or Open Collector 1 Channel SOT-23-6
3000' Red 16AWG Copper TXL Hook-Up Wire
3000' Southwire GXL/UL 12-19CU 12AWG Stranded Copper Pink F120340810 E336814
304 Stainless Steel Capillary Tube OD 10mm x 8mm ID x 170MM L
30m x 1m Foiltec Profilitec Water-Stop Waterproofing Floor Membrane Foiltec/05/G
30Pk 59154 Schwinn Hardware 2-1/2" C to C Finger Cabinet Pulls 3-1/8"L x 3/4"W
30Pk Sylvania F017/835/ECO T8 Bipin 3500K 17W 24" Rapid Start Flourescent Bulb
30Pk. S-5 Standing Seam Metal Roof Clamp S-5-N
3170043010 REV. B ELECTRICAL WIRE HARNESS
32' 9.75 Meter Harting Han Industrial Modular Connector Cable E-Brick Lamphead
3-2751-1 +GF+ Signet Dryloc Inline Preamplifier PH / ORP Smart Sensor
328' Netafim FlexNet Pipe 2" Nominal Size, 36" Spacing 1/2" Connector
328' Vevor 3/8"ID 3/4" OD Rubber High Pressure Hydraulic Hose 2 Steel Wire
3290' Spool FiberHome Aerial Drop Fiber 2 Wire Singlemode Cable Mini Figure 8
33 Lb Spool ESAB OK Autrod 308LSi Stainless Steel MIG Wire .035"
34' Donghua Steel Leaf Heavy Duty Lifting Chain BL8
340' Graybar 8 AWG THHN THWN-2 Building Wire 8/1 19 Stranded 600V Copper Gray
3450' TE Raychem BMS 13-48T Type 27 Class 1, 20 AWG 55PC2211-20-9-9CS2970 White
35' Aircare SACOB0015 Cobra Cable Flexible Shaft Duct Cleaning Cable 5/8" OD
35 Lbs AC Brass EDM Brass Fill Wire 900 W0 106B16 .008/0.20
35' Mueller Streamline 41020350B3B6C Mini-Split Line Set 1/4" x 5/8" x 1/2"
350' TK Servo Flexing Hybrid Cable (4G1,5+(2x1,5)H2)H2 Shielded AWM Style 1000V
3500' Allied Wire & Cable 15-16-26T-9 1015 16AWG 26 Strd 105C White 600V
3500' General Cable 2113111 Violet and Blue 1PR 22 AWG DT22P DFW Frame Wire
35-Piece Westward Combination Wrench Set SAE & Metric 12-Point w/Pouch Case
36' Kadant High Temp Viton Nomex 1" Hose N5132-36 ZMV47035
36 Rolls 6,660 Total 4" x 4" Direct Thermal Transfer Linerless Labels .75" Core
360 Piece Suzhou Fufeng Goup Communications Connector FF0235, 17046651-02
3600 Pieces Keystone 0.25"W x 1.22"L PC Quick-Fit Terminals 1281
365536 - EC8 Series Digital Dispense Valve - 60° Rigid 1/4" Turn No-drip Tip
37"W x 75" Klingspor CS 411 Y Abrasive Cloth Belts 60 Grit 4110060X37724
37’ WOJ 6C 8AWG + 8AWG Ground Stranded Copper Elevator Cable 6/8
37lb Pyramid DuraMedia Tumbling Plastic Carrier Aluminum Oxide 3/4" x 3/4" Green
3800' Hook Up Appliance Wire 22/19 AWG Tinned Copper SEE DESC
383 Stroker Small Block Chevy Valve Covers for 1958-1986 283 305 327 350 383
3888' Double Sided Foam Acrylic Adhesive C2S HDPE Poly Spool 3/4"x1/32"
38m 125' M12 RJ45 High Flex Industrial Ethernet CAT 5E Shielded 22AWG Cable CMX
3D SYSTEMS 17537-904-02 POWER SUPPLY
3M 450 450-450-101 SINGLE GAS DETECTOR CARBON MONOXIDE
3M 7000046664 Flexible Package Pneumatic Applicator Gun 600A 10 Bar
3M 7010512754 3" X 132" 50+ GRIT YF-WT 966F CUBITRON II CLOTH BELT
3M 91-4922-191-02 TOUCH SYSTEMS CHASSISTOUCH 450 SCREEN
3M AccuGlide RAG 3 Taping Head Lower 3" HS-043147 For 3M-Matic Case Sealer
3M AP917HD Aqua-Pure Whole House Sanitary Quick-Change Water Filter SEE DESC
3M Aura N95 1870+ Respirator and Surgical Face Masks
3M Cold Shrink QS-III Inline CN/JCN Cable Splice Kit 15-25KV 5458A-WG-C-PGE
3M Cold Shrink QT-III Silicone Termination Kit Tape/Wire/UniShield 15-25/28kV
3M Controltac Print Film 40C-10R 54" X 150'
3M DBI SALA WRAPBAX 2 1246080 GRAY LANYARD 6 ft, 310 lbs
3M Dbi-Sala 3503822 Self Retracting Lifeline 30' 310 Lb. Weight Cap
3M DBI-SALA 8 mm Energy Absorber For Horizontal Lifeline System 11kN, 0.8kN
3M DBI-SALA ExoFit X200 Comfort Vest Climbing Safety Harness 1402038 XL
3M DBI-SALA Large Construction Climbing/Positioning Safety Harness 1107801
3M DBI-SALA Nano-Lok 11' Nano-Lok Extended Length Order Picker Self Retracting