Select The Port; Select The Can Network Interface Object Name; Specify The Configuration Attributes - National Instruments NI-CAN User Manual

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Chapter 5
NI-CAN Configuration Utility

Select the Port

Select the CAN Network Interface Object Name

Specify the Configuration Attributes

NI-CAN User Manual
example, the ISA PnP Serial Number is provided for the AT-CAN. This
serial number is printed physically on the interface, and you can use it to
distinguish multiple AT-CAN interfaces installed in the same computer.
To access online help for the NI-CAN Configuration utility, right-click the
mouse anywhere on the Settings tab, and select Full Help from the pop-up
menu that appears. Alternately, you can select What's This? from the
pop-up menu to see context-sensitive help for the item you have clicked on.
For two-port CAN interfaces such as the AT-CAN/2, a list box at the top of
the Settings tab allows you to select which port to configure. This port
number is printed physically next to the CAN connectors on the back of the
interface, with Port 1 as the top port, and Port 2 as the bottom port. For
one-port CAN interfaces such as the AT-CAN, the list box always lists
Port 1.
After you have selected the port to configure, use the Name drop-down box
to select the name of the CAN Network Interface Object (
so on). Your application uses the CAN Network Interface Object name as
a logical reference to the port. You must assign a CAN Network Interface
Object name for each port of every National Instruments CAN interface in
your computer.
In the Name drop-down box, a small X appears after each name that has
already been assigned to a physical port. This indication should assist you
in assigning a unique name to each port in your system.
Use the controls in the Attributes section to specify the configuration
attributes for the CAN Network Interface Object. The attribute settings are
associated with the physical port, and thus remain the same even if you
decide to change the Name of the port. A control is provided for each
configuration attribute of the CAN Network Interface Object. Within the
Attributes section, you can use the Default button to initialize the attribute
controls with acceptable default values.
If you need help with a particular control, click on the question mark near
the upper right corner of the dialog box, then click on the control in
question to view the context-sensitive online help. Alternately, you can
5-4
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CAN0
CAN1
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