NMT PETRO 424 - Experiment 2 - Computer Data Acquisition System (8 pages)

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Experiment 2 - Computer Data Acquisition System



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Experiment 2 - Computer Data Acquisition System

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Pages:
8
School:
New Mexico Institute of Mining and Technology
Course:
Petro 424 - Production Engineering I

Unformatted text preview:

PETROLEUM ENGINEERING DEPARTMENT FLOW LOOP EXPERIMENT EXPERIMENT T 2 COMPUTER DATA ACQUISITION SYSTEM 1 OBJECTIVE To get familiar with a computer data acquisition system INTRODUCTION TO DATA ACQUISITION SYSTEM Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer Data acquisition systems abbreviated with the acronym DAS or DAQ typically convert analog waveforms into digital values for processing The components of data acquisition systems include Sensors that convert physical parameters to electrical signals Signal conditioning circuitry to convert sensor signals into a form that can be converted to digital values Analog to digital converter ADC An electronic device that converts analog signals to an equivalent digital form The analog to digital converter is the heart of most data acquisition systems Digital to Analog Converter D A An electronic component found in many data acquistion devices that produce an analog output signal Data acquisition applications are controlled by software programs developed using various general purpose programming languages such as BASIC C Fortran Java Lisp Pascal Specialized software tools used for building large scale data acquisition systems include EPICS Graphical programming environments include ladder logic Visual C Visual Basic MATLAB and LabVIEW LABVIEW What is NI LabVIEW LabVIEW is a highly productive graphical development environment with the performance and flexibility of a programming language as well as high level functionality and configuration utilities designed specifically for measurement and automation applications In general purpose programming languages the code is as much of a concern as the application You must pay close attention to the syntax commas periods semicolons square brackets curly brackets round brackets etc In contrast with LabVIEW you use icons to represent



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