When the elevator is in the upward

When the elevator is in the upward process, if there is an upward call signal on a floor (the signal must be called before the elevator reaches the floor, and if the elevator has already run on the floor, the signal will be echoed in the next upward process of the elevator), the elevator on the floor will stop, eliminate the upward signal on the floor, and the corresponding upward signal light will be off. At the same time, the elevator door will automatically open to let passengers enter the electricity The ladder goes up. In the elevator up process, the hall down call signal does not work.