# Editing or Viewing an Item in the Fieldbus Map

1. Select a controller in the Plant structure window .

2. Select the Fieldbus and SoftPLC tab in the menu bar.

   Select the Fieldbus sub-tab to show a list of maps.

3. Double-click on the name of the selected map.

   The workspace shows the configuration menus.

4. Select either the To Controller tab, or the From Controller tab in Fieldbus configuration menu.

5. Double-click the item name in the map table in the Fieldbus configuration menu.

   The Edit item dialog window opens.

6. Edit the item starting position by typing the BYTE number in which the least significant BIT is located.

7. Edit the item starting position by typing the BIT in which the least significant BIT is located.

8. Edit the Length of the item, expressed in number of bits.

9. Edit an optional Converter value from the drop-down menu.

10. Select OK to confirm any changes and to close the dialog window.

The Fieldbus configuration menu is updated in both the map and in the table.