I/O assignment for a segment is performed in two stages. First you associate (couple) each virtual tag with a control system tag and then assign the coupled pairs to an I/O channel.
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Press F7 to open the Domain Explorer.
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In the Domain Explorer, select a parent wiring item that contains one or more I/O card child items and whose I/O type is Fieldbus FF.
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Select an I/O card or an I/O termination whose I/O type is Fieldbus FF.
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Right-click the selected items and then select Actions > I/O Assignment.
You can also open the Segment I/O Assignment window from the Connection window. On the Connection menu, select I/O Assignment.
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On the I/O Assignment Type dialog, select I/O Assignment.
For fieldbus I/O assignment, select Segment I/O assignment. For details, see Configure a Fieldbus Apparatus.
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If the I/O Assignment Type dialog opens, select Segment I/O Assignment I/O assignment.
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From the I/O termination list, select an item for which you want to effect I/O assignment.
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From the Segment coupling list, select a required segment type. This selection determines which items are displayed under Segments.
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Drag a segment to a free channel in the Channel assignment pane to effect I/O assignment.
Several assignment options are possible. For details, see Assign an Instrument to a Channel.