Axxon PSIM base supports connection to external devices via BACnet protocol. See also BACnet Wrapper Settings Guide

Configure BACnet device connection as follows:

1. Create BacNet object under Computer object on the Hardware tab of the System Settings dialog box (1).
   
   
2. In the client_port field, enter the client connection port (2).
   
3. In the device_id field, specify the device identifier (3).
   
4. In the device_port field, specify the device port (4).
   
5. Click the Apply button (5).

Further work with the BACnet device is carried out using scripts – see BACNET BacNet.