99388019R04

99388019R04

99388019R04

99388019R04

99388019R04

99388019R04

99388019R04

入出信息变换、可靠物理实现，可以说是PLC实现控制的两个基本要点。
入出信息变换靠运行存储于PLC内存中的程序实现。PLC程序既有生产厂家的系统程序(不可更改)，又有用户自行开发的应用（用户）程序。系统程序提供运行平台，同时，还为PLC程序可靠运行及信号与信息转换进行必要的公共处理。用户程序由用户按控制要求设计。什么样的控制要求，就应有什么样的用户程序。
可靠物理实现主要靠输人（bbbbb）及输出（OUTPUT）电路。PLC的I/O电路，都是专门设计的。输入电路要对输入信号进行滤波，以去掉高频干扰。而且与内部计算机电路在电上是隔离的，靠光耦元件建立联系。输出电路内外也是电隔离的，靠光耦元件或输出继电器建立联系。输出电路还要进行功率放大，以足以带动一般的工业控制元器件，如电磁阀、接触器等等。 

SMC ALD600-06-S1-X203 USPP ALD60006S1X203


Porsche Piston & Cylinder Set, 80mm 1500CC 22mm Pin


Hitachi 3-841437 SMC Air Cylinder CDQ2B40-01-59469 Qty3


New Pentax smc DA 15mm AL Limited Ultra Wide Angle Lens Zoom Hi-Res Optical 


Pentax A SMC 645 35mm F3.5 Medium Format Lens Excellent+


SMC VV5Q11-ULB980079 Manifold & EX160-SDN1A DeviceNet Serial Interface Unit
AMAT 4060-01131 B8302004-40583


SMC CYLINDER D-A53 CNC DA53 MAZAK VTC-41


New SMC Rodless Cylinder 1000mm Stroke MY2HT40G-1000H




SMC Cylinder NCDQ2WB50-50DC 3020-00225 Lot of 7 New


SMC FHIAN-28-M105MD NSPP FHIAN28M105MD


New SMC Clean Regulator Teflon SRF50-S19




08-10 Challenger Pypes Cat Back w Race Pro Muffs System


08-10 Challenger Pypes Cat Back w Street Pro Muffs


08-10 Challenger Pypes Cat Back w Violator Mufflers




09-10 Challenger Pypes Cat Back w Street Pro Muffs


Allen Bradley SMC Plus 150-A24NBD; Series B; 3 phase line voltage 208-480


SONIX SMC870 4 Axis Motion Control Driver Card


SMC NP420-DN1 VV5Q11-ULB980181,16 position pneumatic valve manifold and control


SMC NP420-DN1 VV5Q11-ULB000047


SMC NP420-DN1 VV5Q11-ULB980180


Total Control CONTROLLER SMART MARQUEE SM1000SMC


Pentax SMC 50/1.2 K mount # 1466501


NEW SMC MGPL80N-275-Z73L COMPACT GUIDE CYL


SMC LJ-1842E-150-3-T ELECTRIC ACTUATOR LJ1/LC1 30MM - NEW


AMAT 4060-00012 Manifold Assy Pneumatic 16 Station SMC NP420-DN1 DeviceNet




Allen Bradley 10HP 150-A24NBDB SMC Soft Start MCC Bucket 10 HP 150-A24NBDB MCCB




Allen Bradley SMC2 Controller 150-A05NB Soft Start 3874


smc PENTAX-DA 40mm F2.8 f/2.8 Limited K-mount Lens NEW


1 NEW SMC MY1B40-600-XC18 RODLESS GUIDED CYLINDER NIB


Chevy Corvette Hood SMC 2005-2010


SMC AM850-N20-T MIST SEPARATOR AIR CLEANING FILTER NEW




NEW Pentax smc DA 15mm f/4 ED AL Limited Lens K-5 K-r


NEW PENTAX smc DA 21mm F3.2 AL LIMITED LENS for K-5 K-r


Pentax 21580 10-17/3.5-4.5 smc P-DA ED IF Digital SLR Fish-eye Zoom Camera Lens


Pentax Ultra Wide Angle smc-DA 15mm f/4 ED AL Limited Series Autofocus Lens


SMC ITV2011-31N3N4-X165 Electro-Pneumatic Regulator


SMC ML1C32G-350H-M5B-50 PNEUMATIC CYLINDER ***NNB***


EXHAUST SYSTEM KTM 660 SMC GPR POPPY MADE ITALY


Pentax 6x7 Mirror Lock Up Camera Body w/Prism Finder,105mm f2.4 SMC Takumar Lens




Enlarge
EXHAUST SYSTEM KTM SMC 660 SPEEDCONE GPR MADE ITALY


SMC LINEAR TRAVEL 1850mm # MY1B80G-1850-Z73Z3 SERIES MY1 ROD LESS CYLINDER 


SMC MXS20150BM9PSAPC **NNB**


SMC MY1B40-1500H NSFP MY1B401500H


SMC MY1C50-1100L-Z73L Pneumatic Cylinder 


SMC CDLATN100-175-E-F5DWSC NSPP CDLATN100175EF5D


*NEW SEALED* Allen Bradley 150-C30NBR /B SMC-3 Motor Controller Soft Starter 30A




smc PENTAX FA43mm F1.9 Limited Excellent Japan


SMC MYC32-500AH Guided Pneumatic Air Actuator Linear Stage CNC Robot


Graco 915587 Regulator Diaphragm With SMC IR2010-N02 Precision Regulator


ALLEN BRADLEY SMC-2 54A SMART MOTOR CONTROLLER 150-A54NB SER. A




SMC MXQ20-150 MXQ AIR PNEUMATIC LINEAR SLIDE TABLE NEW


Pentax SMC P FA 645 45 mm - 85 mm F/4.5 Lens


SMC TigerSwitch SMC6152L2 Managed Layer 2 Ethernet New IEEE802.1p EEE802.1Q RMON


SMC 20-CA1LN63-1135 AIR CYLINDER LOT OF 2 CYLINDER


S1188 Pentax 17-70mm f/4 DA SMC AL IF SDM Camera Lens+Gifts+5Years Warranty New


SMC SEB63-250-11R-D USPP SEB6325011RD


SMC VFN3120N-5DZ-02F-X12*Z-5540 5 PORT VALVE NEW 




SMC SS5V1-W10S1QW23-D-16B-N1-D MANIFOLD FOR PLUG IN VALVES


Pentax SMC DA 17-70mm f/4 AL IF SDM f4 for KR K5 K7 


Takamine EG450SMC - SB Nex Acoustic Electric Guitar


SMC NCY2B40H-7400 BASIC RODLESS CYLINDER ***NIB***


smc PENTAX FA 43mm f/1.9 Limited Exc+


NEW SMC ACTUATOR CYLINDER STOPPER RS1 H80-40DM


Allen Bradley 150-A54NB, 40 HP, Smart Motor Controller, SMC-2, SOFT START 


SMC MY1H25G-540-XB10 NSFP MY1H25G540XB10


SMC SS5V2-W16SA2WD-08B-C6-8B USPP SS5V2W16SA2WD08B


SMC MXQ20-100A-F9PL NSFP MXF9PL


SMC CORPORATION MODEL DXT334-X6 VALVE UNIT *NEW*


Pentax SMC-M 20/4 # 7091575 ...... MINT/Case,Caps 


Pentax SMC 200/2.5 # 5125048 ...... W/Caps 


SMC Pentax DA 1:2.8 35mm Macro Limited Lens; in BOX


SMC MODEL K-373-0000001 E/P REGULATOR KIT NEW


Allen Bradley SMC-2 150-A09NB Smart Motor Controller


SMC Spartan 4200 Hot Pressure Washer


SMC 20-CDL1L100-450F NSFP 20CDL1L100450F


Buyers Products SMC70A, 70 Gallon Hydraulic Reservoir


smc PENTAX DA 40mm F2.8 Limited Lens


1.5HP 208/230Volt 3PH SMC Motor & Drive FREE SHIPPING


1.5HP 208/230Volt 3PH SMC Motor & Drive FREE SHIPPING


Smc CLADN100-300N-D-XC18 SMC Cylinder




SMC 20-MGPL50-300 NSFP 20MGPL50300


SMC Actuator CS1FF160-200 Max Press 0.97MPa With 1/2" Control Valves


SMC MRHQ16D-180S-N Pneumatic Parallel Rotary 


SMC MXW16150 NSPP MXW16150


SMC SS5V2-W10S1SBI1D-08B-C6-2BQB4F NSFP SS5V2W10S1SBI1DH


SMC SS5V2-W10S1SBI1D-08B-M-Q3B4F NSFP SS5V2W10S1SBI1DE


*Demo* SMC Pentax DA 17-70mm/f4 AL (IF) SDM 17-70/4