'CAN Sync Start with NI-DAQmx' VI Does Not Work Properly with a Series 2 PCMCIA-CAN Card. Hardware: Industrial Communications>>CAN
Problem: When I try to run a VI that uses the CAN Sync Start with NI-DAQmx.vi to synchronize a Series 2 PCMCIA-CAN card with another DAQ device, I get error -200077 from the DAQmx driver, indicating that one cannot generate a Counter Pulse Frequency of 10 MHz. Solution: There is a bug in the 'CAN Sync Start with NI-DAQmx' VI, that causes the mentioned error as the syntax to generate a 10 MHz signal on the FREQ_OUT output is incorrect. As this VI is used in all examples that demonstrate synchronization of NI-CAN’s Channel API and NI-DAQmx, those examples will cause the above mentioned error, if executed on Series 2 PCMCIA-CAN hardware. Attached you can find a compressed archive that contains a new version of the nicantsk.llb file. Once you extracted the nicantsk.llb file from the archive, copy it to the following folder and replace the existing file: ( The attached fix also allows synchronization between a Series 2 PCMCIA-CAN card and USB DAQ devices that are controlled through NI-DAQmx and provide a START TRIG input and a FREQ_OUT output signal (like the NI DAQPad-6015/6016 series). The complete error message from the DAQmx driver, when 'CAN Sync Start with NI-DAQmx' VI is executed on a Series 2 PCMCIA-CAN card, is: "Error -200077 occurred at Property Node DAQmx Channel (arg 2) in DAQmx Create Channel (CO-Pulse Generation-Frequency).vi->CAN Sync Start Series 2 with NI-DAQmx.vi->CAN Sync Start with NI-DAQmx.vi->CAN Waveform Input and DAQmx Waveform Input.vi" Related Links: Attachments:
Report Date: 11/29/2004 Last Updated: 11/29/2004 Document ID: 3FSAAUHR |
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