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Using Fixed-Point Data with CompactRIO and LabVIEW FPGA

Primary Software: Driver Software>>NI-RIO
Primary Software Version: 2.4
Primary Software Fixed Version: N/A
Secondary Software: Motion Assistant

Problem:
In versions of NI-RIO prior to 2.4, C Series Modules only return binary (uncalibrated) data, which requires the host VI to apply calibration coefficients and convert the data to engineering units in software. After installing NI-RIO 2.4 or later, the default behavior for AI/AO modules is to use calibrated data.  Where can I find information on using Fixed-Point Data with CompactRIO and LabVIEW FPGA?

Solution:
Below are the available resources for using Fixed-Point Data with CompactRIO and LabVIEW FPGA:

1. KnowledgeBase 4DPGKPKO: How Can I Transfer My Fixed-Point Data to My Host Using a DMA FIFO?
2. KnowledgeBase 4JGA2HLX: Using Fixed-Point Data Types with Integer Based IP in LabVIEW FPGA 8.5.x
3. KnowledgeBase 4HTGM3LX: Moving CompactRIO VIs with Uncalibrated Data to FPGA Targets with Calibrated Data
4. NI Developer Zone: Fixed-Point Math Library for LabVIEW FPGA
5. LabVIEW 8.6 Fixed-Point Help
6. LabVIEW 8.6 Help: Caveats and Recommendations for Using Fixed-Point Numbers
7. KnowledgeBase 4JNCQ04H: What Units Are Returned from C-Series Analog Modules when using Fixed-Point Data?
8. KnowledgeBase 4L5B754H: Switching Between Calibrated Fixed-Point and Raw Integer Modes for CompactRIO I/O

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Report Date: 11/29/2007
Last Updated: 05/27/2009
Document ID: 4FSHBMLX

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