Sample Rate of the PXIe-4353 on Demand

Updated May 3, 2018

Reported In

Hardware

  • PXIe-4353

Driver

  • NI-DAQmx

Issue Details

I have a PXIe-4353 that acquires temperature information. I'm using the Sample Timing mode as On Demand and I want to know what would be the default sample rate for this card. 

Solution

If you don't specify the actual sample rate and you leave the device to run in On Demand mode, you allow the software to control the sample rate. This sample rate can be any value within the actual sample rate of the board listed on the Specifications Manual and it will depend on the Operating System. 

Every time the Read or Write function executes, the device produces the requested samples as fast as possible. In this mode, the sample attributes and properties are ignored. On Demand is a type of software timing. 

Additional Information

For the PXIe-4353 the sample rate can go up to 90 samples per second.

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