170P001674模块

170P001674模块

170P001674模块

170P001674模块

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。

Mahr Federal Maxum DEI-15121 Digital Eletronic Indicator 0.01

Mainetire 10-1/2x5-1/2x8 soft h Rubber Press-On Forklift Tire Smooth 10.5x5.5x8

Makita 624881-4 Field Assembly L51030 Miter Saw 115V

MALIN Music Wire 0.026 dia 11ga  in Box 1lbRoll

MA-Line Foam Tape 2" x 1/8"x 30ft. one sided adhesion

Malleable Iron Black Pipe Class 150 2" NPT 90 Degree Elbow Anvil USA

Mallory Sonalert SC616NJ Audio Indicator Alarm 1.690" Dia

Manifold Block w/10 MAC 45A-N00-DAAJ-1KD9 Valves Air

Mann W940/15 Oil Filter

Mannesmann Rexroth P-060103-00000 Hopper dump valve operator repair kit

Mapal 14.290mm Single Flute Blade Carbide Reamer Modular CNC Tooling

Mapal AD 92 R6N Tooling Insert Box of 10pcs

Mapal KS 63-08 Clamping Cartridge

Mapal SP-10832-7-D Blade Insert 10832-7-D

Marathon 1411400 Power Distribution Block 1-Pole 115A 600V Lot of 4

Marathon 6F100A3B 100041-6F100A3B Fuse Block 100 Amp 600V Fuse Holder 10" OAL

Marathon Electric 9VJ56T11F5300E P 1/4 HP 1140/950 RPM Cat No G301 Motor 3 PH

Marathon Electric 9VJ56T17F2042B 1/4HP 3PH 208-230/460V 1725 RPM Electric Motor

Marathon Electric E654 2HP TENV Severe Duty 1735rpm 145T Frame Motor

Marconi 371114 Vacuum Pressure Gauge Kit 1/4"MNPT R-502 R-12 R-22

Markem 2100 Pad Printer W/Foot Control

Marlow 25355-00 Mechanical seal for 1.000" pump shaft

Mars 780 61431 42BF35AF Contactor 3-Pole 30A 110/120V Coil

Martens Elektronik CT500-30-5 AC Current Transmitter

Martens Elektronik VT500-30-5 AC Transmitter

Martin 2050A30 Double Pitch Type A Sprocket C2050 Roller Chain 1 1/4" Keyed Bore

Martin 3 3V 600 SDS 3-Groove Pulley Sheave 3V V-Belt 6" OD QD SDS Bushing

Martin 3-3V 800 SK 3-Groove Pulley Sheave 3V V-Belt 8" OD QD SK Bushing

Martin 5J 1" Bore w/keyway Quadra Flex J Flange Shaft Coupling Hub NIB

Martin 60A27 60 Roller Chain 27 Tooth A Plate Flat Sprocket 3/4 Machinable Bore

Martin ML095 3 Jaw Coupling 1" X 1" Bore w/Spider

Martin ML-095 3 Jaw Coupling 3/4" Bore 4 Couplings PerLot

Martin Roller Chain Type Flexible Shaft Coupling 4016 Coupler Sprocket1 1/8"Bore

Martindale Model H Mica-Miller Undercutter

Marvel Engineering 110-100 Hydraulic Oil Filter 1"NPT 10 GPM Bonded Sump Type

Marvel Rack Mfg 2000 Wire/Hose Counter Vintage

Marway MPD 41621-156 Rack Mount Power Distribution Unit 3-Phase 120/208 VAC 30 A

Masaka L110x1-3/8 Drive Coupling Set 1-3/8" Bore W/Lovejoy SW110 Spider W/Ring

MASTER APPLIANCE BRH-040K Brush Holder 120Volt Kit of 2 (4 Kits Per Lot)

Master Magnetics 24" magnetic sweeper 400Lbs pull screws nails & scrap

Master Pneumatic 1" Reclassifier/Silencer MRS100 NIB

Master Pneumatic A60041 1/2"npt Single Point Lubricator

Master Pneumatic A60041 Single Point injection lubricator for air tools 1/2"NPT

Master Pneumatic KA418-04M Pulse Counter NIB

Master Pneumatic R100-6 Regulator 3/4"npt 0-125psi Max Inlet 300psi Lot of 2

Material/Package Handling Conveyor Belt 10"x126' Long 0.16" Thick Impression Top

Matheson 1L-590 High Pressure Regulator w/gauges compressed gas

Matheson 350-SS 6043 3Ft Stainless Steel Flex Hose For Manifolds & Switchover

Matheson 580-CGA 3Ft Stainless Steel Flex Hose For Manifolds/Switchover Assembly

Matsushita EB1114 24VDC Buzzer Alarm Hyundai CNC Lathe HIT15S

MB Mfg 1-11/16 1-11/16" Diameter Bore Roller Bearing C-09 Pillow Block

MBPC-2005820 Microbox PC Chassis PS-50A Power Suply Toshiba MK2105MAT Hard Drive

Mc Daniel Pressure Gauge 0-30psi 1/4"npt Back Mount Bronze Tube Brass Socket

MC Magnetic Components 2.0 KVA Pri 240/480V Sec 120/240V

McCanna 1-1/2" Diaphragm Valve Rubber Lined Flanged W/Indicating Bonnet

MCF 97C52-01100 PCB Board Removed From A Caterpillar 2EC25 Forklift

McGill CFE 1 SB Cam Follower Bearing 1" Diameter

McGill MB 25K-1 F2-05 2-Bolt Flange Bearing Block 1" Shaft Bore w/Collar

McKay 12018-M 5/32" Stick Welding Electrode Rod 6.5 LB

McKay 12018-M Stick Welding Electrode Rod 5/32" 10 LB

McKay 308/308H-16 3/32"x9" Stainless Steel Electrode 3.5 Lbs./Can Lot Of 2

McKay E309/309L-16 5/32" Stainless Steel Stick Welding Rod 5 LB

Mead DM-150X0.125 Pneumatic Air Cylinder 1-1/2" Bore 1/8" Stroke

MEC SSA4825 HS-1 Solid State Power Relay w/Heatsink 480V 25A Output HS1

Medium Pressure Non-Abrasive Aluminum Blower 1.07 HP 277/480V 3Ph 3-7/8" Outlet

Mega-T 10-1/2"X5"X6-1/2" Black Rubber Smooth Press On Forklift Tire Wheel

Mega-T 14"X4-1/2"X8" Press On Solid Non Marking Forklift Tire Wheel

Mega-T 18"X6"X12-1/8" Press On Solid Rubber Traction Forklift Tire Wheel

Memcor FR200 9317 Chassis Mount 15 Ohm Resistor Lot Of 2

Menzerna P 175 Polishing Compound In Bar Form

Merlin Gerin C60N Multi9 50A-Type C 3 pole Circuit Breaker

Merrill Bros No 44 4 Ton 8000LB Plate Lifting Clamp 0-1-1/2" Grip Capacity

Metal Halide Fixture Hanger Aluminum Hook Mount 3/4" Lot of 2

Methode VE2500-2035 VE25002035 SCR Clamp 1400-2400 Lb Load Lot of 2

Metraflex 757X 2" Threaded Brass Ball Valve Full Port 2-Piece Shut-Off Valve

Mexin 20-453-50-26/50 BT50 Collet Chuck Tool Holder 5-1/2 Projection Length

MFD Pneumatics M4V310-08 Single Solenoid Pneumatic Valve 22-116PSI 24VDC 5/2

Micro Motion CMF050M313NU Mass Flow Sensor 1/2" 150# Temp.Range -240-204°C

Micro Precision Textron 26-95-0322 Vane Gasket Seal Kit 33pcs

Micro Switch PWSBM101 2 position maintained selector switch

Midwest 3CT101 Current Transformer 2VA. Ratio 10:5 600V Cycles 25-400

Midwest Electric U075CB4010 Back to back power outlet pad mount 100amp max 3r RV

Midwest Lighting Tube C 1715710 Fluorescent bulb guards For 48" T8 bulbsclear

Mii MI9623 Slot Rack Circuit Board From Europlacer EP 600

Milbank 664-HC1 Type 1 Enclosure Steel wall mount hinged cover junction box

Milford 01704 High Speed Steel Welded Edge 21"x1-3/4"-.088-6T Box of 7

Miller 202573 Feeder Cable Assembly 115" 9 Pin to 9 Pin Socket Extension Cord