On the Control System tab of the I/O Termination Properties dialog, you define the system card control settings, I/O type, and primary and secondary locations of the I/O card in the DCS or PLC cabinet.
If you are creating DeltaV-compatible items, see Crucial Fields for the DeltaV Interface for important information.
Name
Displays the I/O termination name that you set on the General tab.
Panel
Displays the panel that holds the active I/O termination.
I/O type
Allows you to select an appropriate I/O type. Smart Instrumentation uses this field for validation when assigning a tag number.
Define a redundant I/O card
Enables you to define a redundant I/O card for the current I/O termination. Selecting this check box makes the options in the Secondary I/O card group box available.
Primary I/O card
These fields display the properties of the associated primary I/O card. You can associate
a primary I/O card with the current I/O termination by clicking 
next to the I/O card select list arrow.
Cabinet
Displays the name of the panel or cabinet where the primary I/O card is located.
Rack
Displays the name of the rack within the current panel or cabinet.
Slot
Displays the name of the slot within the current rack.
I/O card
Displays the name of the associated primary I/O card. To associate an I/O card with
the current I/O termination, select to open the I/O Card Selection of the Domain Explorer. Select an appropriate I/O card and select OK. Note that you cannot select an I/O card whose child item is a terminal strip with
channels. Also, the I/O type of both the I/O card and the I/O termination must be
the same. If the I/O type of the I/O termination differs from the I/O type of the
I/O card, the software displays a warning.
I/O card model
Displays the I/O card model if appropriate.
System cable
Displays the name of the system cable that connects the I/O card with the rack you have selected.
Clear
Clears all the definitions in the Primary I/O card group box and thus dissociates the current I/O termination from the selected I/O card.
Secondary I/O card
These fields display the properties of the associated secondary I/O card. You can
associate a secondary I/O card with the current I/O termination by clicking next to the I/O card select list arrow. Note that the options in this group box become available after
selecting the Define a redundant I/O card check box.
Cabinet
Displays the name of the panel or cabinet where the secondary I/O card is located.
Rack
Displays the name of the rack within the current panel or cabinet.
Slot
Displays the name of the slot within the current rack.
I/O card
Displays the name of the associated secondary I/O card. To associate an I/O card with
the current I/O termination, select to open the Domain Explorer. Select an appropriate I/O card and select OK. Note that you cannot select an I/O card whose child item is a terminal strip with
channels.
I/O card model
Displays the I/O card model if appropriate.
System cable
Displays the name of the system cable that connects the I/O card with the rack you have selected.
Clear
Clears all the definitions in the Secondary I/O card group box and thus dissociates the current I/O termination from the selected I/O card.
To be able to effect I/O assignment and make connections, create a terminal strip
with channels under the current I/O termination.