1. INTRODUCTION TO PLC

2. PLC BASICS
Low Cost
Reliability
Re-programability

3. INPUT MODULE

4. OUTPUT MODULE

5. OUTPUT MODULE

6. PLC Architecture

7. Wiring diagram

8. DATA FLOW

9. LADDER PROGRAMMING
Conditional logic:

10. Conditional logic

11. Ladder Diagrams

12. Ladder Diagrams

13. Contact types Normally open When input occurs the contact closes
Normally closed
When input occurs the contact opens

14. Normally closed

15. Output and latches

16. Output and latches

17. Conditional logic
Example 1

18. Conditional logic
Example 1

19. Conditional logic
Example 2

20. Conditional logic
Example 2

21. Conditional logic
Example 3

22. Conditional logic
Example 3

23. Self latching

24. Self latching

25. Self latching