Books:

1. Gary Dunning, “Introduction Programmable Logic Controllers”, CENGAGE Learning, 3rd Ed., 2006.”

2. John R. Hackworth, Frederick D. Hackworth Jr., “Programmable Logic Controllers ”, Pearson, 2004.”

3. W.Bolton, “Programmable Logic Controllers”, Elsevier, 4th Ed., 2006.

4. Leach Malvino ," Digital principles and application

5. Bouwens," Digital Instrumentation "

6. David Bell," Solid state pulse circuits ”

   Useful links:

• https://literature.rockwellautomation.com
• https://www.automation.siemens.com