BN series control device unit, Number of devices: 7 devices, Position 1: 2-position key selector switch 1NO , Position 2: 2-position selector switch 1NO , Position 3: 1 green indicator light, Position 4: 1 pushbutton white 1NO, Position 5: 1 pushbutton blue 1NO, Position 6: 1 pushbutton yellow 1NO, Position 7: 1 red emergency stop button, turn to release, 2NC , Protection degree: IP65 according to EN 60529, Connection and output direction: M12 connector, 12 pole-12 pole.