Birth of the Programmable Controller
Today’s post is extracted from my new “generic” PLC course manual, PLC Hardware and Programming – …
PLCs
Ladder Logic 305: ASCII and Strings
Today’s post covers ASCII, string manipulation and how to deal with readable text in a PLC. …
The Difference Between PLCs and Computers
What makes a PLC different from a typical computer? After all, computers are used to control …
PLC Hardware and Programming – Multi-Platform Manual
Over the past few months I’ve mentioned that I am working on a new online course …
PLC Hardware and Programming – Multi-Platform Manual Read more →
Advantages of Re-Usable Code
Recently I’ve seen some good discussions on PLCs (Programmable Logic Controllers) vs. PACs (Programmable Automation Controllers), …
I Need PLC Pictures!
For the last few months I have been working (slowly) on my new PLC course. Before …
PLC Memory
As I have mentioned previously, I have been working on a generic PLC course that I …
Update on Projects – “Why haven’t you written more posts?”
I have been asked by a lot of readers, friends and associates lately about where I’m …
Update on Projects – “Why haven’t you written more posts?” Read more →
Ladder Logic 106: One Shots
A one shot, or “differential”, is used to develop a signal that is exactly one scan …
PLC Platform Sample Request – CLGX Example
In a post back in March, “Request for PLC Information and Samples“, I received quite a …