BioSmart 4 controller working with external hardware is configured on the settings panel of the BioSmart 4 object:

1. In the Additional hardware list select the type of device connected to the port of controller 2 (1).
   
   List of additional hardware is presented in the following table.

   Additional hardware	Description
   None	Additional hardware is not connected
   BioSmart relay control unit	BioSmart relay control unit is connected to the controller
   SK-24	Key storage device is connected to the controller
   Kronwerk	Controller works in the Kronwerk integration mode under control of Kronwerk software
   BioSmart BOX	BioSmart BOX is connected to the controller
   Perco	Controller works in the Perco integration mode under control of Perco software

2. In the Wiegand exit list select the protocol type of Wiegand output of BioSmart 4 controller (2).
   Protocol type of Wiegand output of BioSmart 4 controller is presented in the following table.

   Additional hardware	Description
   None	No third-party controller is connected to Wiegand output of BioSmart 4 controller
   Wiegand 26	Third-party controller that uses Wiegand 26 protocol is connected to Wiegand output of BioSmart 4 controller
   Wiegand 32	Third-party controller that uses Wiegand 32 protocol is connected to Wiegand output of BioSmart 4 controller

3. In the Wiegand entry list select the protocol type of Wiegand input of BioSmart 4 controller (3).
4. To enable the bypass mode set the On value for the corresponding parameter (4). In this case the card that is not registered in the database of ACFA Intellect can be transferred to the third-party controller via Wiegand output of BioSmart 4 controller.
5. Click the Apply button to save all changes.

BioSmart 4 controller working with external hardware is now configured.