By Aiden Gonzalez, Published Jul 26, 2022, 11:51am EDT
The door controller is the access system component that allows other devices in the system, such as readers and locks, to communicate. Controllers also determine whether to unlock an opening or trigger alarms or lights.
In this report, IPVM examines the fundamental details of the door controller, including:
The choice of open vs closed controllers
The functions of a controller, including inputs and outputs