Introduction
Variables is the GF_Project component that lets you display and configure the global variables of the project.To enter the menu, double-click the Variables icon. You will see a grid with a list of variables present in the project.The available variables are divided into the following groups:

- 1131 Variables combine the global variables defined in the PLC program
- I/O Variables connected to local cards to the PLC or to HW devices connected via GDNET or CANOPEN bus. These variables are defined and configured in the Hardware component
- Field Variables connected to devices connected by other buses to the PLC. These variables are defined and configured in the Hardware component
- System Variables used for diagnostics and basic configurations
- Remote Variables combine the remote system variables to be used on the pages