For local anti-passback, you do not need the AC license. Follow the steps below to configure a local apb.

1. Add a master device to BioStar 2 in the DEVICE menu.
2. Add a slave device to the master device in the DEVICE menu with a RS485 connection.

3. Click on the DOOR menu.
4. Click ADD DOOR.
5. Select your Entry Device.
6. Select your Exit Device.

7. Configure the Door Relay, Exit Button, Door Sensor as necessary.
8. On the Anti PassBack tab, select type to Hard.

9. On Reset Time set the time when the anti-passback violation will be reset (after # of minutes).
10. Click Apply to apply the settings.

Before you start, check the license activation status. If the standard edition is activated, the 'Zone' tap can be seen from the left menu buttons as below.

1. Click ADD ZONE and select Anti-passback and click Apply.

2. Enter the name of the APB zone, and make configuration as desired. If you want to block users who violate the APB rule, set the type to Hard APB and check Reset Time not to be shorter than the expected duration of the block time. And set Entry Devices and Exit Devices.

3. Set an action if needed to make an alarm sound using the device relay.

4. Set the APB Bypass group who will enter the doors in the APB zone regardless of the APB rule. It's recommended to be used for the admin users for the convenient fix and revision at the site.

5. After finishing the setting, test the APB and check alert and the zone status from monitoring.