Has anyone here ever programmed a plc?

[chop]

Originally Posted by Electric

Have you written programs from the ground up?

Have you ever heard of spagetti logic? I just left a plant that had 90% of the machines programmed that way. Trouble shooting was really tough. The worst part of it all was that the guy that wrote the programs used one shots for every input and had the complete ladder in one program file. When you have 2000+ rungs it becomes a nightmare to find anything.

Yes I have and Yes I have seen spaghetti logic. Those are always fun to try to debug.