What's the difference between access control machine and access control system

Gate is a kind of mechanical hardware, which mainly includes three roller gate, swing gate, wing gate, translation gate, full height rotary gate and other channel equipment; Access control refers to the access control system software, which is a complete set of access control and management system. From this point of view, the access control system actually includes gates, access control machines and other hardware. The installation of access control gate requires the supporting application of channel gate and access control controller in order to achieve the purpose of intelligent management of entrance and exit.