1. Connection sequence of screen changer controller When everything is ready, the wiring begins. According to the schematic diagram, the wiring of the main circuit should be completed first, and then the control circuit and the signal circuit should be connected in turn. 2. screen changer controller wiring When laying out the wire, it is necessary to blank according to the actual needs, the length of the movable wire harness should be considered for the larger limit position, and the short and z