Appendix C Troubleshooting and CommonQuestions
© National Instruments Corporation C-3 NI-DNET User Manual
If the error continues after restart, uninstall NI-CAN (and NI-DNET) and
then reinstall.

NI-CAN Hardware Problem Encountered

This error occurs if the Self Test detects a defect in the CAN hardware. If
you get this error, write down the numeric code shown with the error and
contact National Instruments.
Common Questions
How can I determine which version of the NI-DNET software is
installed on my system?
Within MAX, open the Software branch and select NI-DNET. The version
is displayed in the right pane of MAX.
How many CAN cards can I configure for use with my NI-DNET
software?
The NI-DNET software can be configured to communicate with up to
32 CAN cards on all supported operating systems.
Which CAN hardware for DeviceNet does the NI-DNET software
support?
The NI-DNET software for supports Port 1, Series 1, High-Speed (HS)
cards. Although you can use 2-port CAN cards, only the top port can be
used with NI-DNET. For more information, refer to Chapter2, NI-DNET
Hardware Overview.
Does NI-DNET support 2-port CAN cards?
Refer to the previous question.
Are interrupts required for the NI-CAN cards?
Yes, one interrupt per card is required. However, PCI and PXI CAN cards
can share interrupts with other devices in the system.
Does the CAN card provide power to the CAN bus?
No. To provide power to the CAN bus, you need an external power supply.