An improved feed port for a pneumatic projectile device comprising a moveable feed port aperture attached to a pneumatic device through which projectiles can be introduced to the breech of the pneumatic device, the feed port having an aperture permitting the free flow of projectiles from an external source. It is a free-flowering plant with an upright, compact habit. The respective mechatronic signal flow between the technological objects can be defined on a graphic level by means of connections to which the inputs and the outputs of the technological objects can e joined.