Since you've seen people programming PLC (I've not), I suppose one can't program it without looking at how it is connected to the display and what program to load. You are putting anyone trying to help in that situation, no program to read, no pic to see how things are connected, no way to help. Plus, fix your comma and period keys on your keyboard!
The first thing in asking a question is to provide enough clues to the receiver so the question can be answered without consulting with crystal balls. This is regardless whether you are asking a question as a teacher to a student or the other way around. For "the other way around", you want to provide all details you can since you are not the one with the answer 