SCADA Systems

This course is an introduction to Data Acquisition (DAQ) with the use of DAQ cards and measuring instruments connected to computers using the most common communication protocols (RS232, GPIB and Ethernet). It also comprises an introduction to the basic elements of signal processing (FFT analysis, filters, smoothing windows), to the remote monitor and control techniques through Web Server and to the methods of reception or exchange of data between remote hosts connected to a TCP/IP network. Finally, it comprises the solutions for data transmit from industry control devices (PLC) With the use of OPC Server. The programming language that is used in the whole course is the graphic programming language LABview from National Instruments.

Objectives

Upon successful completion of this course the student / her will be able to: • knowledge of the basic structure and components of a SCADA system • knows the basics of LabVIEW graphical programming language and can create basic data acquisition applications, their transmission and their appearance in HMI screens (Human - Machine Interfaces) • knows the basics of data acquisition and to be able to develop simple applications for downloading, presenting and storing data from sensors via data acquisition device (DAQ). • know the technical connection of analog sensors (0 - 10V) and transmitter (4 - 20 mA) • knows vasikotera communication protocols instrumented and may make basic measurements receiving and processing applications from institutions • be able to use basic choices of language Lab VIEW and the possibilities of communication protocols http and TCP / IP to monitor apomakrysenon measurement units and control. • It can record and control the parameters of industrial PLC devices using OPC Server.

Prerequisites

Basic computer knowledge. Basic knowledge of use / Y, handling, wiring and use conventional sensors. Basic knowledge of networking (TCP / IP) and web servers.

Syllabus

A) THEORETICAL PART Part I - Introduction to SCADA systems Part 2 - Introduction to LabVIEW and Virtual Instruments. Show two prepared virtual instruments: "Conversion Celcius to Fahreneit.vi" and "Liquid Level Measurement.vi". Creating the virtual organ: "Liquid Level Measurement.vi". Part 3 - Introduction to Data Download: Introduction Analog input virtual instrument "Liquid Level Measurement.vi" using DAQ card. Temperature measurement using the sensor LM35 and record values ​​to file. Construction of virtual instrument "Temp Acquisition & Graph-Write Data to File.vi". Transmitters 4-20mA. Construction of virtual instrument "Temperature & RH Measurement-KWL.vi" for measuring temperature and relative humidity. Part 4 - Using Organs at Download Data (communication protocols RS-232, GPIB, Ethernet) Part 5 - Monitoring and remote controls front surface of a VI through a Web browser, by connecting to the Web Server in LabVIEW. Download and exchange data between remote units linked through a network TCP (like the Internet) using DataSocket technology. Part 6 - Connect with industrial control devices (PLC) and data transfer and information in user applications using OPC Server. LABORATORY PART Exercise 1 - Construction of virtual instrument "Conversion Celcius to Fahreneit.vi" Exercise 2 - Construction of virtual instrument "Liquid Level Measurement.vi" simulating liquid level measurement Exercise 3 - Introduction Analog input virtual instrument "Liquid Level Measurement.vi" using DAQ card and potentiometer. Exercise 4 - Construction of virtual instrument "Temp Acquisition & Graph-Write Data to File.vi" using DAQ card and temperature sensor LM35. Exercise 5 - Construction of virtual instrument "Temperature & RH Measurement-KWL.vi" for temperature-humidity measurement using a DAQ card and temperature transmitter 4-20mA KWL. Exercise 6 - Construction of virtual instrument "RF Spectrum Acquisition.vi" for measuring and recording mobile phone signal using the Spectrum Analyzer between 800 MHz and 2GHz. Exercise 7 - Monitoring and Control ex'apostaseon virtual instrument "Temperature & RH Measurement-KWL.vi" using the LabVIEW Web Server Exercise 8 - Data transfer temperature and humidity from remote measuring computer via a TCP using DataSocket technology: Application to virtual instrument "Temperature & RH Measurement-KWL.vi" Exercise 9 - Simulation sine wave and Fourier transform. Construction of virtual instrument "Sine Wave Generation & FFT.vi" Exercise 10 - Recording and spectral trend analysis from renewables (PV, wind). Construction of virtual instrument "RES Voltage Power Spectrum.vi" Exercise 11 - Connection with PLC Lab VIEW application on a remote PC via OPC server. Transportation, processing, presentation and storage of data from the PLC. The example of construction of the virtual instrument "Read Data-OPC server.vi"