# Asset Hierarchies

The **Asset Hierarchy** tab is used to assign a specific version of an **Asset Hierarchy** to the device. An asset hierarchy defines the logical structure of your equipment—such as site, production lines, and machines—and includes configuration and modules needed to run that structure.

Each device can have **one assigned hierarchy version**, and optionally only a **subset** of the hierarchy, if it's shared between multiple devices.

<figure><img src="/files/vJcmcbnECiWdVx163bZz" alt=""><figcaption><p>The Asset Hierarchy tab on device configurations</p></figcaption></figure>

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### Assigning Asset Hierarchy

Click the **Assign** button to open the asset hierarchy picker. Here you can first choose a hierarchy by name and version:

<figure><img src="/files/glKr196gB51xZfzlFC2Y" alt=""><figcaption><p>Selecting Asset Hierarchy to assign to the device.</p></figcaption></figure>

After choosing the desired Asset Hierarchy in its desired version, click next. This opens the Area Selection, where it is possible to select either all or only parts of the Asset Hierarchy:

<figure><img src="/files/JOY1Q44dxFgrsFi9ytZN" alt=""><figcaption><p>Selecting a subset of the Asset Hierarchy Ares to assign to the device.</p></figcaption></figure>

Clicking Done assigns the selected areas of the Asset Hierarchy to the device configuration.

{% hint style="info" %}
Areas in an Asset Hierarchy can only be assigned to a single device.
{% endhint %}

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### Unassigning Asset Hierarchy

To remove the assignment of an Asset Hierarchy click the **Clear** button.

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### Asset Hierarchy Details

To view details about the assigned Asset Hierarchy, click the Show Details button.

<figure><img src="/files/plmuBTmnb37MY8CBdTnC" alt=""><figcaption><p>Assigned Asset Hierarchy details.</p></figcaption></figure>

The details includes the following information:

* Data Connectors: A list of the data connectors defined in the Asset Hierarchy, including the module name and the number of tags that are using the data connector.
* Tags: A list of all tags defined in the assigned parts of the Assert Hierarchy. The list includes the following information:
  * Tag name
  * Data Source name
  * Type (read/write)
  * Address - the item reference for the data retrieval
  * Aggregation type, if any is applied
  * Sampling (On Change / Periodic)
* Jobs: A list of periodic jobs (FTP / File Share)


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