1. When the door is not opened, the system is standby and the interlock status indicators are green. At this time, there is no need to press the button, you can push any door to enter. Reduce contact pollution, convenient to take things in and out
2, open a door, the other doors of the interlock relationship are immediately locked, and the indicator light turns red, indicating that the door can not enter
3. After the door is closed again, the system enters the shutdown (buffering) time, and all doors are locked at this time. After the specified shutdown (buffering) time, the door returns to the standby state. Buffer time can be customized adjustment.