References

Hugh, J., 2010. Automating Manufacturing Systems with PLCs. Lulu Press, Morrisville, North Carolina, USA., ISBN:9780557344253, Pages: 644.

PT., 1989. PT100 platinum resistance thermometers. Pico Technology, St Neots, England,UK. http://www.picotech.com/applications/pt100.html

Rashid, M.H., 2011. Power Electronics Handbook: Devices, Circuits and Applications. 3rd Edn., Elsevier, Burlington, Massachusetts, USA., ISBN:978-0-12-382036-5, Pages: 1389.

Siemens, 2013. Siemens LOGO! 0BA6 & 0BA7. Siemens Automation company, Munich, Germany.

Thabet, H.T.H., 2014. Design and implementation of a two axis solar tracking system using PLC techniques for measuring solar radiation by an inexpensive method. Buhuth Mustaqbaliya Sci. Period. J., 1: 11-28.
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