State machine
The variable "Zone State" contains the current state of the ZPA state machine of a zone.
![State machine 1:](Images/png/11520668043__Web.png)
The following figure shows the internal state machine of a zone or channel of an EP7402.
For a better overview, the following elements are not shown in the figure:
- The Zone State 5 "Disabled".
- The release type "Train Release".