Industrial Automation, PLC, VFD, and Troubleshooting
Before learning advanced PLC programming, every automation technician must understand the basic logic operations used in ladder logic.
The three most important logic functions are:
AND
OR
NOT
These are the foundation of almost every …
Read MoreLadder Logic is one of the most common PLC programming languages used in industrial automation.
It was designed to look similar to electrical relay control circuits, which makes it easier for …
Read MoreIn industrial automation, the words fault and alarm are often used together.
But they do not always mean the same thing.
A fault usually means something is wrong enough to stop equipment, …
Read MoreIntroduction
In industrial automation, one of the most important differences a technician must understand is the difference between a fault and an alarm.
At first, both may look similar because both indicate …
Read More
33. PLC Programming Best Practices: Structure, Tags, Comments, and Troubleshooting ( 33 of 35 )
PLC Programming Best Practices
A PLC program should not only make the machine run.
A good PLC program should also be:
Easy to understand
Read MoreEasy to troubleshoot
Easy to modify
Easy to document
Easy to recover
Safe to …