产品介绍
140DDI36400
PLC发展的初期，沿用了设计继电器电路图的方法来设计梯形图程序，即在已有的些典型梯形图的基础上，根据被控对象对控制的要求，不断地修改和完善梯形图。有时需要多次反复地调试和修改梯形图，不断地增加中间编程元件和触点，最后才能得到一个较为满意的结果。这种方法没有普遍的规律可以遵循，设计所用的时间、设计的质量与编程者的经验有很大的关系，所以有人把这种设计方法称为经验设计法。它可以用于逻辑关系较简单的梯形图程序设计。
用经验设计法设计PLC程序时大致可以按下面几步来进行：分析控制要求、选择控制原则；设计主令元件和检测元件，确定输入输出设备；设计执行元件的控制程序；检查修改和完善程序。
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AMAT Ebara ET300 Turbopump Turbo Molecular Vacuum Pump
Tektronix VX4730 12CH VXI DAC Digital Analog Converter
Osaka Compound Lab Turbo Molecular Vacuum Pump TG3213EM
Newport Kinematic 5' Optical Breadboard Isolation Table
ALINE TC-520-F Thermal Seal Vacuum Heat Sealing Chamber
AE VHF Ovation 35162 RF Power Generator 162MHz/3.5kW
ENI OEM-25A Solid State 3Phase RF Power Generator 2750W
AMAT Ebara 803H Turbo Molecular Vacuum Pump Controller
AMAT Comdel CPS-1001 RF Generator 1000W Power Supply
TrippLite SU10K Unison Smart Online UPS Sys 10KVA 7000W
GE Marquette MAC 5000 Interpretive EKG ECG Monitor
BARD H-8000 TransAct Intra-Aortic Balloon Pump System
Barnstead Thermolyne 30400 Muffle Furnace F30428C-80
Taylor-Wharton 17K K-Series Cryostorage System Chamber
K.O. Lee BA962H Tool Cutter Grinder +Ball Bearing Motor
Shanklin T-6XL Heat Shrink Tunnel/Conveyor Machine
Force10 Networks LC-ED-RPM Route Processor Module RJ-45
IL Lab ACL Futura Automated Blood Coagulation Analyzer
EMC Symmetrix 3630 32-Slot 1.1TB HDD Network Storage
Brooks Automation ATM Wafer Robot Controller Module
Electroglas 2010-CX Wafer Prober TC2000 Temp Controller
IBM 3623-2SX SCSI/LVD Tape Auto-Loader Storage Library
Cisco MGX-8220 Edge Concentrator Switch w/2xBNM+2xASC
Rucker & Kolls 1032 Lab Automatic Wafer Prober Station
PPG Biomedical EVR Polygraph Lie Detector Recording Sys
Busch RC0160-B032-1001 Vacuum Pump 117CFM 7.5HP 230V
NeoLaser AX Brain LV820IP Red Beam Laser Marker Leveler
Tyan Transport VX50-B4881 5U Server 4x AMD Opteron
Pack-A-Drum PAD-046 Manual Trash Deflator Compactor
Nikon NSR Interferometer Laser Power Supply w/Modules
Varian ProStar 330 PDA Photodiode Diode Array Detector
Microdyne 1400-MRA Telemetry Receiver 1415 1420 1458-D
Taylor-Wharton XL-240 Lab Cryogenic Liquid Storage Tank
Comdel CPS-1001 RF Generator 1000W Power Supply 60MHz
Groen HyPlus HY-6SG-24 Pressureless Steamer Kettle
Grass Valley 3000 3ME TV Video Controller/Switcher
Yamato GB-21 Pulvis Basic Fluid Bed Dryer+Controller
Perkin Elmer 200 LC Autosampler +Peltier Tray Motor
Perkin Elmer 200 LC Autosampler +Peltier Tray Control
Perkin Elmer 200 LC Autosampler +Peltier Motor Assy
LabLine 3471 Imperial-V Digital Gravity Convection Oven
BioLab/MedTec A2000-2 Autoblot 2000 Benchtop Processor
Abekas A82 Upstand Composite Video Switcher Control
Celmacs SMT-8700 Automatic Pick & Place Machine SMT8700
Dental-Ez VSA-R Lift/Tilt Dental Patient Exam Chair
‘07 Access Point AXS7000 Electric Power Wheelchair 6MPH
Beckman J2-21 Lab Refrigerated Centrifuge +JA-20 Rotor
Olympus Binocular CCD Lab Stereo Trinocular Microscope
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