Digital Multimeters (DMMs) and Precision DC Sources

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Getting error -1074118656 when trying to init PXI-4071 from LV 2009

I have a VI that was running fine on one PXI chassis and I tried to migrate the test to an identical chassis and am getting the mentioned error. I even installed the latest DMM driver 3.0.1. The PXI-4071 shows up in MAX and I can even run the soft front panel from MAX. So why can't LV recogize the board? If I drop a DAQmx device name control on the front panel the DMM doesn't show up in the list.

 

George

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Hi GS,

 

First, have you looked through this knowledgebase which talks about the error?

 

The root of it is that, though DMMs appear under Devices and Interfaces in MAX and have a DAQmx resource name, they are not actually DAQmx Devices.  This means they will not appear in the DAQmx Device Name control, nor can you use DMMs for DAQmx Tasks.  

 

Instead you will need to use the I/O Resource Name control which will have DMMs in the drop-down list.  This easiest way to do this is to put down an NI-DMM Initialize VI, and then create a constant on the Instrument Descriptor input.

 

 

Eric S.
AE Specialist | Global Support
National Instruments
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Thanks.
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