# Configuring the Modbus TCP server

A Modbus TCP server can be configured to publish global variables defined in the real-time application via the Modbus TCP protocol.

You can create and edit the server configuration on the user interface or load it from a JSON file. The current server configuration can also be saved to a JSON file.

- Editing the configuration
- Loading a configuration file
- Applying a configuration
- Discarding a configuration
- Saving a configuration to a file