PLC (Programmable Logic Controllers) Programming Instructions, Part 1

 When you complete this lesson, you will be able to describe the functions of the programming instructions most commonly used in PLC programming. • Identify two types of ladder logic • List commonly used Boolean logic functions • Discuss the use of individual instructions and function blocks in ladder logic • Describe the following types of instructions: – Ladder relay instructions – Timer instructions – Counter instructions – Program/flow instructions – Arithmetic instructions