Technical requirements
This chapter is going to be focused on troubleshooting. This means we’re not going to develop any code in this chapter. Instead, this chapter is going to use prebuilt code that we’re going to troubleshoot. Before you proceed, please download the code for this chapter:
https://github.com/PacktPublishing/PLCs-for-Beginners
Also, a solid understanding of Chapter 2, is required before you can tackle this chapter.