---
title: "DoorBird Cloud and KNX: create and delete access codes"
description: Map KNX group addresses in DPT 15.000 to the DoorBird Cloud commands of Link’nX to create a PIN code on relay 1 or 2, or to delete it from the keypad.
canonical: https://wiki.can-nx.com/en/guides/link-doorbird-cloud-gateway/
language: en
product: Link’nX
audience:
  - administrateur
  - installateur
context: "Link’nX web: KNX gateway table of a connected DoorBird Cloud device"
---

# DoorBird Cloud and KNX: create and delete access codes

Context: Link’nX web: KNX gateway table of a connected DoorBird Cloud device

The DoorBird Cloud gateway table in Link’nX maps KNX group addresses to three access code commands: create a code on relay 1, create a code on relay 2, delete a code. The bus sends a six-digit PIN in DPT 15.000, and Link’nX creates or deletes that code on the intercom’s keypad.

Intended for the authorized installer. [Access Control bookings](https://wiki.can-nx.com/en/guides/ac-create/) follow their own path.

## Before you start

- A [connected DoorBird Cloud](https://wiki.can-nx.com/en/guides/link-doorbird-cloud/), with the **Connected** status.
- A device that has the keypad and the necessary capabilities: see **Keypad** and **Relays** in its connection record.
- The KNX group addresses validated for the project.

## Open the gateway table

In Link’nX, check the project and the gateway. Open **Devices → Security & Access → DoorBird Cloud** and locate the right row. Click the **two opposite arrows**, whose tooltip is **Gateway mode configuration**, to the left of the **Edit** pencil. The common behavior of the table (filters, addresses, automatic fill) is detailed in the [KNX table guide](https://wiki.can-nx.com/en/guides/link-gateway-table/).

## Map the code commands

1. In the **Actions** tab, choose the necessary rows using the table below.
2. In **Address**, fill in the KNX group address of each command, then check **Active**. This field expects a group address, not the PIN.
3. Save with the **floppy disk at the bottom right** and wait for **Succès** (Success) and **Données sauvegardées avec succès !** (Data saved successfully!). The page stays open.

| Row | Function described in the help | DPT |
| --- | --- | --- |
| **Create a code — relay 1** | Receives a six-digit PIN and creates that code on the keypad; the code will trigger relay 1. | **15.000** |
| **Create a code — relay 2** | Same function for relay 2, if this relay exists on the device. | **15.000** |
| **Delete a code** | Receives the PIN of the code to remove and deletes it if it was created by Link’nX. Codes created outside Link’nX are never deleted. | **15.000** |

Filling in the table neither creates nor deletes any code: each operation takes place when the bus sends a PIN to the corresponding address. The table always offers all three commands; before using **Create a code — relay 2**, check **Relays** in the connection record and the planned wiring.

The second tab, the one for status feedback, is empty for this integration: no confirmation of code programming or door opening is sent back to the bus.

To stop a mapping, uncheck its **Active** checkbox, save, then reread the table. The codes already created stay on the keypad.

## Check the result

1. Return to the list, reopen the gateway of the same device and reread the addresses and the **Active** checkboxes.
2. As the table returns no feedback, check the effect of a command on the intercom’s keypad itself.

## Troubleshooting

- **Erreur lors de la sauvegarde des données.** (Error while saving data.): the table is not saved. Return to the list, reopen the gateway and reread it before trying again.
- A command has no effect: check that it is the right device, its status, its capability warnings, the targeted relay and the active mapping.
- An expired connection prevents any code creation or deletion: reconnect the device from its DoorBird Cloud record.

If the problem persists, contact support@can-nx.com with the function, the model, the status and the attempts made, without sending the PIN.

French labels: **Configuration de la partie passerelle**, **Actions**, **Créer un code — relais 1**, **Créer un code — relais 2**, **Supprimer un code**. The table’s save messages remain in French.