# Set up global connections - Memory tab

## To set up global Memory connections

1. In the Explorer window, double-click the Global Connections icon to open the editor.
2. If a maximum update rate has not been selected, in the Maximum update rate (seconds) box, select the maximum rate at which the data source will supply data to the global connections.
3. The following connections allow an operator to monitor the amount of RAM being used by Machine Edition Station at run time. Assign a tag to the first three connections; assign a tag or an expression to the Remote RAM Usage connection.

   Tip: | To unassign a control, select the control in the Tag or Expression column and do one of the following: Press Backspace on your keyboard repeatedly to remove the assignment one character at a time. Double-click twice to highlight the text, and then press Delete or Backspace to remove the entire assignment at once.

## Options

- Maximum update rate

  From the drop-down list, select the rate at which to update tag values from the data source.

- Columns
  - Connection

    This column shows the name of the connection.

  - Tag or expression

    Type the tag name or expression associated with the connection.

  - Tag button (...)

    Click this button to open the Tag Browser and choose a tag instead of typing the tag name in the Tag or Expression column

  - Exprn button (...)

    Click this button to open the Expression editor and create an expression instead of typing the expression in the Tag or Expression column.

## See also

About global connections

Set up global connections - Date and Time tab

Set up global connections - Display tab

Global connections - Macro tab

Global connections - Backlight tab

Causes of run-time errors for global connections

data source