References
- Abdelmagid, E.M. 1986. Water treatment and health engineering. College of Civil Engineering, Khartoum University Press, University of Khartoum, Sudan. Arabic version.
- Ali, M.O. 2007. “Design and implementation of an automation control system for drinkable water plant.” M.Sc. thesis, Faculty of Engineering and Technology, University of Gezira, Sudan.
- Bolton, W. 2009. Programmable logic controllers. Newness, 4th edition. pp 14–15.
- Bradley, A. 2011. Basic PLC Programming. Rockwell Automation.
- Bryan, L. A., and E. A. Bryan. 1997. Programmable Controllers. 2nd ed., 17. Industrial Text Company.
- Dorf, R.C., and Bishop, R.C. 2011. Modern Control Systems. Pearson International Edition. p 22.
- Gil, A. E., and K. M. Passino. 2004. “Literature Review of Feeback Control for Drinking Water Purification.” Dept. of Electrical and Computer Engineering, Ohio State University.
- Jack, H. 2008. Automating Manufacturing Systems with PLC. Version 5.1. pp 25, 121–128.
- Khartoum State Water Corporation Central Laboratory, 2006. Periodic Reports. Sudan.
- Lab-Volt Ltd, 2011. Programable Logic Controller, Canada. pp 25–36.
- Mandal, R., Kumar, A., Kingson, T.M.G., Verma, R.K. Pd., Kumar, A., Dutta, S., Chaulya, S.K. and Prasad, G.M. 2013. Application of Programmable Logic Controller for Gases Monitoring in Underground Coal Mines. IRACST– Engineering Science and Technology: An International Journal. 3: 2250–3498
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Websites
- IE 447 CIM Lecture Notes – Chapter9 – PLC – 122. http://en.wikipedia.org/wiki/Control_unit.
- http://processcontrol.analog.com/en/programmable-logic-controllers/segment/pcia.html. Accessed on Sept. 2014
- Schneider-Electronic 2014. “SIEMENS – Basics of PLC-LEARN PLC” http://WWW.PLCS.NET http://WWW.TKNE.NET.2014., http://www.schneider-electric.com/products/ww/en/3900-pac-plc-other-controllers.