Creating a New Fieldbus Map
- Select a controller in the Plant structure window  . .
- Select the Fieldbus and SoftPLC  tab in the menu bar. tab in the menu bar.- Select the Fieldbus sub-tab to show the list of maps. 
- Select Add to create a new fieldbus configuration or double-click to edit an existing one. - The Create new fieldbus configuration dialog window opens. 
- Select the New tab. 
- Issue the configuration with a name. 
- Enter the Size to controller parameter. This is the receive size of the data frame to a virtual station, expressed in number of bytes. This value must be an even number. 
- Enter the Size from controller parameter. This is the transmit size of the data frame from a virtual station, expressed in number of bytes. This value must be an even number.  - The transmit frame and the receive frame may have different size. 
- Select Add to continue with the configuration by adding items to the setup. 

The map size entered can not be larger than the Process Data Frame.