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The most flexible of these controllers is the PLC (Programmable. Logic Controller). The book has been set up to aid the reader, as outlined below
Topic Under: PLC (Programmable Logic Controller)
Last download: Wed May 22, 2013 01:37:11 PM
timesBasic Hydraulic Systems and Components
File : 1.6 MB, 67 pages Lesson 1: Hydraulic Reservoirs, Filters, Pumps, Accumulators, and Motors Practice Exercise Answer Key and Feedback
Topic Under: Hydraulic Systems
Last download: Wed May 22, 2013 11:10:02 AM
timesRe: Solution Manual (MODERN CONTROL SYSTEM 4th Edition by OGATA )
Re: Solution Manual (MODERN CONTROL SYSTEM 4th Edition by OGATA ) Source: ... and Systems by John P. Uyemura DSP First: A Multimedia Approach-Mclellan, Schafer & Yoder Engineering ...
Topic Under: Control Engineering
Last download: Wed May 22, 2013 04:01:12 AM
timesLabView Data Acquisition Basics Manual
The LabVIEW Data Acquisition Basics Manual includes the information you need to get started with data acquisition and LabVIEW. You should have a basic knowledge of LabVIEW before you try to read this manual. If you have never worked with LabVIEW, please read through the LabVIEW QuickStart Guide or the LabVIEW Online Tutorial before you begin. This manual shows you how to configure your software, teaches you basic concepts needed to accomplish your task, and refers you to common example VIs in LabVIEW. If you have used LabVIEW for data acquisition before, you can use this book as a troubleshooting guide.
Topic Under: LabView
Last download: Wed May 22, 2013 09:55:04 AM
timesDCS: System Architecture
The DCS offered many advantages over its predecessors. For starters, the DCS distributed major control functions, such as controllers, I/O, operator stations, historians, and configuration stations onto different boxes. The key system functions were designed to be redundant. As such the DCS tended to support redundant data highways, redundant controllers, redundant I/O and I/O networks, and in some cases redundant fault-tolerant workstations. In such configurations, if any part of the DCS fails the plant can continue to operate.
Topic Under: Distributed Control System DCS
Last download: Wed May 22, 2013 10:38:51 AM
Recently Added, Site Update Fri May 10, 2013 08:05:14
[ pdf ] Flow Orifice Sizing
Topic: Flow Measurement
Beta Ratio Limits • Beta ratio β = d D = Bore P ipe ID • Change pipe size or pressure drop to stay within beta ratio range for flow meters. • Do not change pipe more than one standard pipe size. • Beta ratio limits for flow meters are (Miller Table 9.54): Flow meter β Range Square edge orifice 0.2-0.75 (design 0.7 max) Quadrant edge orifice 0.24-0.6 Venturi 0.4-0.7
[ pdf ] DEVELOPMENT OF ORIFICE METER STANDARDS
Topic: Flow Measurement
This paper is for the purpose of reviewing how we have arrived at the orifice meter standards, what is their value and what we can expect in the future. It is of value to review this background since respect for the orifice standards (and other standards) has diminished. This can lead to real chaos for the gas industry. The last way you want to solve your measurement problems is based on personal opinions – this is the purpose of the standards, because it represents consensus data with legal standing
[ pdf ] Positive Displacement Principle of Operation
Topic: Displacement Measurement
These meters are of the rotary positive displacement type. The accurately-machined housing contains a rotor which revolves on ball bearings and carries evenlyspaced blades. As liquid ﬂ ows through the meter, the rotor and blades (vanes) revolve about a ﬁ xed cam causing the blades to move outward. The successive movement of the blades forms a measuring chamber of precise volume between two of the blades, the rotor, the housing, the bottom, and the top covers. A continuous series of these closed chambers is produced for each rotor revolution. Neither blades nor rotor contact the stationary walls of the measuring chamber.
[ pdf ] Gas chromatography mass spectrometry
Topic: Gas Analyzers
Gas chromatography (GC) is undoubtedly one of the key techniques used for screening / identification / quantification of many groups of non-polar and/or semi-polar food toxicants (or their GC amenable derivatisation products). The high attainable separation power (potential number of theoretical plates) in combination with a wide range of the detectors employing various detection principles to which it can be coupled makes GC an important, often irreplaceable tool in the analysis of (ultra)trace levels of toxic food components that may occur in such complex matrices as foods and feeds