Rslogix-garage-door, design a garage door controller using plc ladder diagram (rslogix 500 plc simulator) the behavior of the garage door controller is as follows: - there is a single button in the garage, and a single button remote control. - when the button is pushed the door will move up or down.. Logixpro - door exercise 2 explained. this feature is not available right now. please try again later., in this lesson we are going to show you several ways to program start/stop functionality for a motor. as most of you know, we are against giving you clear rules and methods in programming since one of the advantages of programming is there are nearly limitless possibilities.