Before creating a Fieldbus I/O card you must first:
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Create a Fieldbus tag and associated function blocks
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Create a Fieldbus segment and associate the Fieldbus tag to the segment
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Enable the function blocks and associate them with the tags
In order to activate the I/O Assignment field there should be at least two different I/O cards assigned to the panel.
For more information, see the following:
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In the Domain Explorer, select the DCS and PLC cabinets for which you want to effect I/O assignment.
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Right-click the panel that you selected and then select Actions > I/O Assignment.
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On the I/O Assignment Type dialog, select Segment I/O Assignment.
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In the Segment I/O Assignment window, under Assignment details, do the following for each I/O card that requires I/O assignment.
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Under I/O termination, select the required I/O card.
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For each segment for which you want to effect I/O assignment, drag it from the Segments data window to the appropriate channel in the data window of the I/O card details pane.
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To cancel fieldbus I/O assignment for a given segment, drag it from the data window of the I/O card details pane back to the Segments data window.
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To rename a selected control system tag, select , and on the Control System Tag Properties dialog, edit the tag properties.
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To view input/output information for the current I/O card, select .
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To generate an I/O Tag Assignment report, select .