# Changing Screens

The screen displayed on the display unit can be changed in the following ways.

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1. Changing by Touch
2. Changing by Script
3. Changing by External Device
4. Changing by Navigation

## Changing by Touch

Set up [Operation] with switch and shape properties.

1. Click on the switch or shape aligned on the screen.

2. In the Properties window, go from the [Function] tab to the [Touch] sub tab and click [Operation].
3. Select [Screen Change] from [Type].
4. From the displayed [Operation], select [Previous] or [Specific ID].
5. When selecting [Specific ID], set the screen [Screen ID] displayed in [Screens].

## Changing by Script

Using the script editor, set a [Screen Change] operation.

Example: Touch Switch1 to change the screen ID to screen 2.

For information about [Screen Change] operations, refer to the following.

Screen Change

## Changing by External Device

Assign an external variable to [Screen ID] in [System Architecture]. Input the screen ID value into the external variable from the external device to change the screen.

1. In the Project Explorer window, go to [System Architecture] and click [Target01].

2. In the Properties window, go from the [Function] tab to the [Basic] sub tab and click [Preferences].

3. Assign an external variable to [Screen ID].

Note: When assigning external variables, in the [Variable Selector] window, set the [Direction] to [One Way]. When set to [Two Way], the screen ID of the currently displayed screen will be input into the external variable and then update the value in the external device address.

For information about properties, refer to the following.

Properties (Target01)

## Changing by Navigation

Create a folder with [Screens] in [Screen Design]. A switch changing the screens in the folder will be configured.

Changing Screens by Navigation

By creating folders inside folders, you can also change screens in a hierarchical screen structure.

Changing Screens with Multi-Layer Folders