Ccontrol panel input signal, control system accept instruction, motor power on and then
move the drum to rotate wire rope, the wire rope drive the car along the rigid guide track with linear movement to force the car and cargo to move up and down. Wire rope is connected at one end to the drum, and one end is connected directly to the car, so there is no counterweight.
It doesn't rise car by friction force. It's mechanical force.That's the biggest difference between traction elevator.