Title: Explain ladder logic and function block diagram (FBD) programming.
Course: Mechatronics III (13901-III) > Section: Understanding Programmable Logic Controller Systems

Explanation should include a description of

- the rungs and their function
- the rails and their function
- symbols used.

Process/Skill Questions:

- How are logical AND and OR represented in a ladder logic diagram?
- Which type of circuit does a ladder logic diagram symbolize (parallel or series)? Why?
- Where are ladder logic diagrams used most frequently?