Questions

The following are questions to test your understanding of this chapter. Ensure you have read and understood the topics in this chapter before attempting the questions:

1. ___________________ is a set of instructions written in a language the computer understands to perform a task.
2. __________________ is a set of instructions in either textual or graphical form that represents the control function that will be carried out for a specific industrial task or application.
3. According to IEC standards, the five programming languages stated in part 3 of IEC 61131 for writing a program for PLCs to control and automate tasks are ____________, _____________, _______________, ___________________, and _____________________.
4. ___________________ is the most common among the several PLC programming languages. It is a graphical programming language that's easy to understand for most plant technicians because it's similar to the relay diagrams that they are familiar...