Configuring 3-Wire Digital In and Digital Out Devices in VEXcode V5

When starting to program with VEXcode V5, blocks for Digital In and Digital Out will not appear in the Toolbox until they have been configured.

Here are the different options when configuring a Digital In and/or Digital Out 3-Wire device:


Adding a Digital In or Digital Out 3-Wire Device

To configure a Digital In or Digital Out device:

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Select the Devices button to open the Devices window.

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Select ‘Add a device.’

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Select ‘3-WIRE.’

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Select ‘DIGITALIN’ or ‘DIGITALOUT.’

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Select which port the device is attached to on the VEX V5 Brain. Ports that are already configured for other devices will be unavailable. Once the port has been selected, select ‘Done’ to submit the device to the configuration or ‘Cancel’ to return back to the Devices menu.

Note: Selecting ‘Cancel’ will undo any changes you have made to the device and will not be a part of the configuration.


Changing a Digital In or Digital Out 3-Wire Device’s Port Number

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You can change the port number for the device by selecting it in the Devices window.

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Select a different port on the Port Selection screen and the port number will turn green. Then select ‘Done’ to submit the change.

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If you change the port of a device that is already being used in your project, you will need to update the device's name in the block to the new name using the drop down.


Renaming a Digital In or Digital Out 3-Wire Device

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You can rename the device by changing the name in the text box at the top of the Port Selection screen. If you select an invalid name, the text box will highlight red to indicate. Then select ‘Done’ to submit the device changes to the configuration.

Note: for more information about naming rules for variables and devices, view this article from the Knowledge Base.

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If you change the name of a device that is already being used in your project, you will need to update the device's name in the block to the new name using the drop down.


Deleting a Digital In or Digital Out 3-Wire Device

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The device can be deleted by selecting the ‘Delete’ option at the bottom of the Port Selection screen.

Note: If you delete a device that is already being used in your project, your project will generate an error if you try to download it until you also delete the blocks that were using the deleted device.