In some cases, although you select the correct data type for the comparator operations, you'll see that there are still errors in the software.
when you enter a variable for comparator instructions and you see that, despite considering all the parameters you'll constantly get an error, you need to check the PLC tag table and see what data type has been defined for the variable you're trying to use.
In a section of a factory there are two conveyor belts that are used to move pieces from one sector to another. Next to each conveyor belt, there is a photo eye sensor installed to keep track of the boxes and also commanding the electrical motors to start and stop.
In this and the next lesson,...
In the previous lesson you learned how the machine works and what the input and output components are. In this lesson, I'm going to start writing a PLC program that would be able to control the machine in the best possible way.
The PLC program that I'm going to write is going to address three...
In part 3 of the material handling PLC program I'm going to test the program in the online mode and then continue writing the program based on what I want the PLC program to do for me.
The first problem that this PLC program has is that when the full blue box is transferred to another section...
