福建中立恒自动化设备有限公司
一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。
它采用可以编制程序的存储器,用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令,并能通过数字式或模拟式的输入和输出,控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体,易于扩展其功能的原则而设计。在工业生产的各个领域,机械加工企业为了提高生产效率,采用机械化流水作业的方式,对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代,生产线承担的加工对象也随之改变,这就需要改变控制程序,使生产线的机械设备按新的工艺过程运行,而继电接触器控制器系统是采用固定接线,很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多,随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势:1.向高速度、大容量方向发展
为了提高PLC的处理能力,要求PLC具有的响应速度和更大的存储容量。目前,有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面,有的PLC可达几十兆字节。为了扩大存储容量,有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多,为了适应市场的多种需要,今后PLC要向多品种方向发展,特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC,其使用32位微处理器,多CPU并行工作和大容量存储器,功能强。
以下链接皆有货
Forklift Back Rest 36" Face Mount x 37-1/2" Tall 11-1/2" Hole Center
Rexroth Indramat KDA3.2-100-3-A00-W1 AC Main Spindle Drive 228167 K18/92
Brook Hansen GFTC4B 5:1 Ratio 94RPM Output Brake Gear Motor 220/380V 50Hz
Quincy QMA75A Compressor Air Intake Filter Muffler Housing
28mm Wide x 26mm Height Linear Guide Rail 2000mm OAL
Dodge 30A15R14FH Tigear 2 15:1 1750RPM 5Hp 177RPM RH Output Gear Reducer
Athena MF16-CV 16 Slot Temperature Control PLC Chassis 208/240VAC 3PH
Clevis Mount Double Acting Pneumatic Air Cylinder 7" Stroke 6" Bore 1-3/8" Rod
Baldor CEM3558T 2HP 1755RPM 208-230/460V AC Motor W/Casappa Hydraulic Pump
Heald 72A Belt Driven Gear
Apax AX2500RL 110V 1Ph 3 Speed Paper Label Rewinder
109.003.0000 19-3/8" x 18-3/4" Air Compressor Heat Exchanger
Industrial Slip Resistant 2 Step Steel Ladder Steps 24-1/2" Wide 24" Height
5/8" OD Galvanized Steel Aircraft Cable Wire Rope Hook Spool 107'
Warner Swasey 1-1/2" CNC Turret Punch Ball Screw Assembly 78-1/2" OAL
TOP-212HBM 208V 3Ph Hydraulic Pump Trochoid Power Unit 16 Liter
Temposonics LASRB00U04801A0 L Series Linear Position Sensor 49" Travel 55" OAL
Contrex Cranes Hook Inserts 3000lb Cap Lifting Beam Replacement Hooks
Weed 27" x 112" Snow Traction Tire Chain Set of 2
phd ML300045 Hydraulic Pneumatic Double Rack Rotary Actuator 45° Cross Key
Daihen E 6270 Robotic Welding I/F Power Source
Dodge 180/350-15 15:1 Ratio 1750RPM 3.79Hp Input 117RPM LH Output Gear Reducer
50mm Diam x 20mm Double Pitch Ball Screw Nut Assembly 1550mm OAL 760mm Travel
Strippit Super 30/30 Hydraulic Press Tooling Oblong Round Squares Lot Of 11 Sets
Graco 235937 Husky 307 Pneumatic Diaphragm Paint Pump 7-27GPM
NGI D6100 Wide Band Power Analyzer Parts OR Repair
Makishinko Type 70 Model SKK FX 20:1 Right Angle Gear Reducer DC Motor
Rock Of Ages 18" x 12" x 4" Thick Solid Granite Bench Top Surface Layout Plate
Yamazaki Mazak CNC 36mm Ball Screw Assembly mm 1346OAL 11mm Pitch 622mm Travel
Niagara No. 193 Vintage Bench Mount Sheet Metal Crimping Beading Machine
Daikin 27-63-461 145A-2V0-3-20-L-320 Hydraulic Motor 1" Shaft
3.9200" OD Steel Machine Cylinder W/Flat Spots 24-7/16" OAL W/0.450" Key Way
Steel Parallel/Riser Machinist Block 20" L x 4" W x 7" H x 1" Thick
LSI Lighting AU Round High Bay Light 120-277V 320 Watts W/Bulb
Baldor Reliance MVM3613D Electric Motor 3.7 KW 208-230/460V 3450Rpm D100L Frame
Elektrim 20NCM-3-2-18 2Hp 1745RPM 230/460V 50/60Hz Premium Efficient AC Motor
Nederman 10522335 03240-00 Fume Extraction Arm Elbow W/ Mounting Brackets
Steel Machined Webb Right Angle Setup Plate 12" H x 12" W 12" L
Gravity Roller Conveyor 1.9" OD 7/16" Hex Axel 26" OAL 0
Yaskawa SGMGH-44A2A-YR15 4400W AC Servo Motor 1500RPM W/Encoder UTSAE-B17BBF
Clow 2640 3" Flanged Cast Iron Wedge Fire Gate Valve 7-1/2" Flange
Binks 18 Gallon Pressure Pot Tank Only Galvanized Steel Replacement Part
Marathon 3/4HP Coolant Pump 3450RPM 208-230/460V 3PH W/16 Gallon Reservoir
Indramat DDS02.1-A200-DS01-02-FW Digital AC Servo Controller W/ Heatsink Fan
1-1/2 Ton Manual Chain Fall Hand Hoist 23' Lift 3000 lb Capacity
3" Bore 46" Stroke Double Acting Hydraulic Cylinder
APW McLean 43H1-3126-001 Heat Exchanger Air Conditioner 14/150 °F Temp 220V 1PH
Okuma BLII-D E4800-T10-001-A AC Servo Drive 1006
Futaba CZ0103 Panel Mount Feed Back Unit Controller Module 110-240V No Top Cover
Emerson 850014-02 M016308 Servo Positioning Drive Rev. C6/D26 120VAC 50/60HZ
GE 5KL182AL1A 7-1/2HP AC Electric Motor 3505RPM 230/460V 3PH 182T Frame
Indramat DDS02.1-A200-DS01-02-FW Digital AC Servo Controller W/Heatsink
30" Wide Adjustable 22"-30" Height Tilt Conveyor Legs
Tidland 99524 6" OD x 12" Face Width Expanding Air Shaft Roller 50mm Shaft
CM Shopstar 1/8 Ton 250LB Electric Chain Hoist 10' Lift 40FPM 460V 3PH
Panasonic YB-L200A8Y3E Laser Oscillator Mirror Tube Assembly Hankawang FC3015
Panasonic YB-L200A8Y3E 51 x 12" Heat Exchanger Cooling
ABB E3HAB8101-11 3HAB8101-11/06B Drive Unit ECB DSQC348E
48" Wide Rapistan Style Adjustable Height Tilt Conveyor Legs
CM Model M Cycl1 Ton Manual Chain Fall Hoist 30' Lift 10' Pendant Chain
Square D Telemecanique 200A Panel Mount Fusible Safety Disconnect Switch 100HP
Winsmith 930WN 60:1 Ratio Gear Reducer 1750RPM/1.07HP In 29RPM/1796 Torque Out
Nord Style Helical Gear 1:1 Input C-Face Flange Mount Adaptor
Walther Flender MI.70F .86kW 230-480V 50/60Hz 20:1 85RPM Mixer Gear Motor
UD-SHORT 3/4HP Vertical Coolant Pump 3450RPM 230/460V 3PH 8" Depth Gusher Style
Gusher 1P3-SHORT 1Hp 115/230V1Ph Machine Coolant Recovery Recirculatory 15 Gal
FMC Jogger J-50-B Flat Deck Paper Jogger Shaker Table 22" x 17" 115V 1PH
Alpha Getriebebau SP180-MF1-4-141-000 Planetary Gearhead Speed Reducer 4:1 Ratio
Lincoln 5HP AC Electric Motor 1740RPM 230/460V 3PH 13.6/6.8A 184T Frame
Winsmith 5CTM 5:1 Ratio Dual Output Gear 5.91HP 1800RPM Input 182TC Frame
Marvac 3BR2 1/2Hp 1725RPM 115V 1Ph Belt Driven Vacuum Pump
Shibaura DRP-360III 0.75kW Rotary Vacuum Pump 360 L/min 6.7x10-2 Pa 200/220V 3PH
7-3/4" OD Rubber Mounted Vibration Absorbing Machine Leveling Feet Adjust Lot/4
Makino EC-7050 Wire Feed Spool Motor LS 71 Feedout Roller Lever Assembly
Teel 1V324 2HP End Suction Horizontal Centrifugal Pump 3450RPM 230/460V 3PH
Unfinished Carbon Steel Conveyor Rollers 20" L x 1.9" OD W/Belt Groove 7
CI CalstRC-5064 60" Rotary Material Cutter Bar Assembly
1511mm Long-White Natural Nylon Tube 167.5mm OD x 143.5 ID mm 12mm Wall
12-1/2" x 8" x 9-3/4" H Steel Riser Machinist Block Setup Fixture 1-1/8" Thick
2-1/2" x 2-1/2" x 75-1/4" L Extruded Structural Aluminum W/3/4" T-Slot
Okuma MX-55VB Ball Screw Nut 60-3/8" OAL 40mm OD 11mm Pitch Single Start
18" x 10-3/8" x 9-1/2" Webbed Steel Angle Plate Set Up Fixture 1" Thick
Nachi PI-0B-87-2TSLL1-1486A Hydraulic Index Motor W/ 2 Solenoid Valves
Force Control 15-3A3-U1QA-T 1-1/2HP Motor W/Clutch Brake 208-230/460V 7/8" Shaft
THK HSR35 92-3/8" Long Linear Rail W/2 Bearing Blocks
NSK 34mm W x 31mm H Linear Guide Slide Rail W/Bearing Blocks 1080mm OAL
Fanuc A06B-0267-B605 4.3kW 2000RPM 179V AC Servo Brake Motor W/ Pulsecoder
Fanuc A05B-2350-C091 E-Stop Unit Drive Emergency Stop Assembly
Sterling Blower Type UHE 1.5HP 230/460V Size 4 Direct Drive Blower 3P 60Hz ARR 4
Marathon UVF-184TTDR7026DFL 5HP AC Electric Motor 1740RPM 230/460V 3PH 184T Fr.
Baldor M3219T 7-1/2HP AC Electric Motor 3450RPM 208-230/460V 3PH 184T Frame
Marathon Electric TGS 1-1/2Hp 1725RPM 230/460V 3Ph AC Motor
Robinair 15021 1/3HP Belt Driven Vacuum Pump 115V Single Phase 1725RPM
Hyster 85S-23-EE Super Solid Forklift Tire W/Rim 16-1/4"x6"x11-1/4" 6 Bolt
Plunge EDM Operator Control Panel W/Heidenhain 255-015-01 9" Display
Leroy-Somer LS80L3 C0 1.5KW Pump 220/380V 3PH2825/3430RPM
Borg Warner T0115026941 Turbo Charger Modified Parts Or Repairs
Scienlab DICU150/15MUX8 115/230V Common Rail Diesel Injection Control Unit
70mm OD x 1622mm BF Weighted Steel Gravity Conveyor Roller 20mm Shaft
Tigear 233A25R14 25:1 Ratio Left Hand Gear 1HP 208-230/460V 69RPM Output
8.5" OD 20" BF 20" Face Conveyor Drum Roller Pulley
Union Tool 25mm x 1000mm V-Groove Glide Linear Slide Set Makino Wire EDM 2 pcs.
Blo Vac Pneumatic Powered Dry Material Drum Vacuum 50 Liter Capacity
Cincinnati PB-9 .25HP Cast Aluminum Direct Drive Pressure Blower 9" 230/460V 3PH
Bosch Rexroth R162171420 30mm Linear Profile Rail W/2 Bearing Blocks 2600mm OAL
Heatcraft 5GA1202B024.00X024.00 Hi-F 24" x 24" Fin Steam Hot Water Coil
Allen Bradley 2711P-RDB10C PanelView Plus 1000 2711P-RP1 2711P-T12C4D1
Atlas Copco Controls AB EP165180-62A3BB AC Servo Motor W/Brake 3000RPM
Heatcraft 5GA1402B022.50X024.00 Hi-F 24-1/2" x 24" Fin Steam Hot Water Coil
TOEI Tsushin Kogyo CDM-142M 14" Color Monitor 100V 50/60Hz
State Censible PV-6-10MS972-K 6 Gallon 1650W Electric Water Heater 120VAC 150PSI
70" L Travel Aluminum Linear Actuator 10mm Drive Shaft 78-5/8" OAL 4.625" Mount
21" x 21" x 8" Deep Industrial Parts Soaking Washing Station Stand 32" Tall
Danly 2 Post Punch Press Die Set/Shoe 8" FB x 6-1/2" W 6-1/4" Throat
SPEC Assortment Torsion Springs Compression Extension Drawer Set 500 Pcs.
Dodge HB382CN56C 7.5Hp 233RPM Output 1-1/2Hp 3Ph 208-230/460V Gear Motor Brake
Steel Parallel/Riser Machinist Block 20" L x 3-7/8" W x 7" H x 1" Thick
Rexroth BNHC660G10D1.0 100 Bar 3L/Min Reversible Oil Flow Filter
46-3/4" x 32-1/2" Ball Transfer Table
Tigear 17Q05R14 5:1 Ratio Right Hand Gear Reducer 1HP 230/460V 3PH 350RPM Output
Sew-Eurodrive R60 DT71D4 .37kW 143.91:1 Ratio Gear Motor 11.5RPM Output 265/460V
Nippon ORB-S-160-2FC Hydraulic Trochoid Gerotor Pump 3 Position Solenoid Valve
Nachi 2Y00015 PI-0B-87-2TSLL1-1486A Hydraulic Index Motor W/2 Solenoid Valves
EF Cooling 40 Gallon Water Cooling Tank
Yoshikawa BK0-ND 6557H05 1 mH DC Reactor 180 Amp
Cushman Titan SOBR Front End Steering Assembly 36V Personnel Cart
Pryor Marking Technologies Dot Peen Marking 3000 Series Controller 120V
Indramat MAC090B-0-JD-4C/110-A 3000RPM 0.41Nm/A Perm Magnet Servo Brake Motor
Homac 50M-900W Quick Connect Wall Mount Module
Grundfoss CRI1S-6APIEHQQE Vertical Centrifugal Pump W/Motor 0.37HP 220/480V
Rexroth 30mm Single Start 10mm Pitch 54-1/2" Screw Length Ball Screw Assembly
Phoenix Contact IBS IP PPC 2 Operator Interface PC Computer Controller No Cards