---
title: "Disconnecting XLC4 control unit"
slug: "disconnecting-xlc4-control-unit"
updated: 2025-03-21T11:43:50Z
published: 2025-03-21T11:43:50Z
canonical: "docs-linescan.alliedvision.com/disconnecting-xlc4-control-unit"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs-linescan.alliedvision.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Disconnecting XLC4 control unit

## Disconnecting XLC4 control units with a working setup

### Disconnect a single XLC4 control unit

> [!NOTE]
> NOTE
> 
> To avoid error messages disconnect the XLC4 control unit only when the XLC4 control unit is switched on.

1. In the specific dropdown menu of the active tab click **Interface.**
2. Click **Disconnect**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(53).png)

**OR**

1. Click the toolbox element

### Disconnect all XLC4 control units

If there is a valid setup with several XLC4 control units (using a configuration file) you can disconnect all XLC4 control units with one click.

1. In the general dropdown menu click **System Control**.
2. Click **Disconnect all**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(55).png)

**OR**

1. Click the toolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(60).png)