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检索条件"主题词=Programmable Logic Controllers"
1815 条 记 录,以下是1581-1590 订阅
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Evolution of PLC-based loop control
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Control Engineering 1995年 第11期42卷 4pp页
作者: Vandoren, Vance J.
programmable logic controller (PLC) is a control device whose only function is to manipulate the relays wired to its discrete output ports, according to the status of the switches wired to its discrete inputs. However... 详细信息
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An approach to implement a programmable logic controller from real-time software components
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International Journal of Industrial and Systems Engineering 2009年 第1期4卷 60-75页
作者: Khalgui, Mohamed Rebeuf, Xavier Nancy Université - LORIA UMR CNRS 7503 France ITIA-CNR Institute Italy Martin Luther University Germany
This paper proposes an approach to implement a programmable logic Controller (PLC) from real-time software components following the International Industrial Standard IEC61499. According to this standard, a Function Bl... 详细信息
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PLCS persist and prosper
Control (Chicago, Ill)
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Control (Chicago, Ill) 2001年 第4期14卷 55-60页
作者: Merritt, R.
The ARC Advisory Group, Dedham, Mass. has reported $6 billion worldwide sales of PLCs, I/O and related products and services. The reason for the success of older PLCs over new generation PLCs is that they are robust, ... 详细信息
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Integrating PLCs into process weighing systems
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Sensors (Peterborough, NH) 1999年 第5期16卷 88-92页
作者: Kopczynski, Ted Hardy Instruments Inc San Diego United States
The capabilities of programmable logic controllers (PLC) and weight controllers are maximized and costs are reduced when a strong bidirectional interface is used. The PLC is capable of performing a variety of tasks, b... 详细信息
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Use of an error-proof PLC system for modernization of an aluminium melting furnace
Gaswaerme International
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Gaswaerme International 2006年 第7期55卷 466-469页
作者: Schlager, Stefan Korgel, Reinhold ZERUST Ingenieurbüro GmbH Breckerfeld
programmable logic control systems are a rational augmentation of the potentials of electronic control and instrumentation arrangements. Complex safety-orientated and control functions can be cost-effectively and reli... 详细信息
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Conversion of LD program into augmented PN graph
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International Journal of Modelling and Simulation 2002年 第4期22卷 201-212页
作者: Lee, Gi Bum Lee, Jin S. Res. Inst. of Indust. Sci./Technol. Pohang 790-330 Korea Republic of Pohang Univ. of Sci. and Technology Pohang 790-784 Korea Republic of
This article presents a process of converting the ladder diagram (LD) into the Petri net (PN) by analysing the attributes of the LD program and the characteristics of the programmable logic controller (PLC) operation.... 详细信息
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PLDs with processor cores for browsable, configurable devices
Electronic Engineering (London)
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Electronic Engineering (London) 2001年 第888期73卷 3pp页
作者: Hoyer, Bryan Barrios, Ivan Altera Corp
The use of programmable logic devices (PLD) to achieve greater system-level integration with the ability to implement networking functions and memory blocks was presented. The approach extended the capability to use t... 详细信息
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A programmable logic controller to control two axis sun tracking system
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Information Technology Journal 2006年 第6期5卷 1083-1087页
作者: Mamlook, Rustom Nijmeh, Salem Abdallah, Salah M. College of Science and Information Technology Al-Isra Private University Amman Jordan Department of Mechanical Engineering Hashemite University Zarqa Jordan Department of Mechanical and Industrial Engineering Applied Science University Amman Jordan
This study describes a system that uses the programmable logic Controller (PLC) to control the motion of a two-axis sun-tracking surfaces. The present study was conducted to monitor the performance of system and measu... 详细信息
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Common language for control programming
Control (Chicago, Ill)
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Control (Chicago, Ill) 1998年 第9期11卷 4-7页
作者: Anon
programmable controllers have become the industry's automation workhorses over the past 25 years, but most rely on unique programming languages. There are several problems this situation poses: the difficulty of f... 详细信息
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Reliability and safety of the programmable logic central devices: Concise evaluation methods
Ingegneria Ferroviaria
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Ingegneria Ferroviaria 1999年 第9期54卷 13pp页
作者: Ricci, Stefano Universita di Roma `La Sapienza' Roma Italy
The article takes as a starting point the consolidated necessity to verify, in quantitative terms, the reliability and safety levels characteristic of the programmable logic central devices. An original methodology fo... 详细信息
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