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No Traffic On the CAN Bus When Using the PCMCIA-CAN

Hardware: PXI/CompactPCI>>Controllers

Problem:
I am using the PCMCIA-CAN card. When I open the bus monitor in Measurement & Automation Explorer (MAX), it shows that there is no traffic and I don't receive any of my data. Why is this?

Solution:
The most common cause of this problem is that the ports on some of the PCMCIA-CAN interfaces require external power. If your interface requires external power, it will have a sticker on the screw terminal that has "Bus Pwr." written on it. Connect the V+ terminal to an 8V to 27V voltage supply, and you should be able to see the traffic on the CAN bus.



Related Links:
KnowledgeBase 3IABNOHS: Proper Termination for NI-CAN Hardware

Attachments:





Report Date: 04/04/2006
Last Updated: 02/27/2009
Document ID: 3W3B7I5N

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