Each issue appears as a row in the table and includes the following fields:
| ID | Known Issue | |||||
|---|---|---|---|---|---|---|
| 561398 Return | Issue: FlexRIO example projects always search for CLIP in the Program Files (x86) folder, causing compilation to fail initially on 32-bit operating systems. Public Details: The FlexRIO adapter module examples return a Missing CLIP implementation file error when compiling on a 32-bit OS. The LabVIEW project searches for the CLIP files for the adapter module in the C:\Program Files (x86)\National Instruments\ folder, which does not exist on a 32-bit OS. Public Workaround: Open the IO Module properties page and click the Reload button in the General category.
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| 545599 Return | Issue: The Controller for FlexRIO (NI-793XR) does not support debugging FPGA VIs using a third-party simulator. Public Details: The Controller for FlexRIO (NI-793XR) does not support the use of a third-party simulator to simulate and debug a LabVIEW FPGA VI.
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| 526736 Return | Issue: In the Streaming instrument design library, Wait For Stream.vi can return an incorrect value for the Samples Transferred output when an FPGA target is executed in Simulation mode. Public Details: In the Streaming instrument design library, due to a race condition present only in Simulation mode, Wait For Stream.vi can return the second to last Samples Transferred value rather than the expected terminal value of a finite transfer. Public Workaround: Do not use the Samples Transferred output from Wait For Stream.vi as the value for the Requested Elements input on a DMA FIFO when completing a finite transfer.
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| 489614 Return | Issue: Synchronous CLIP signals are incorrectly allowed for use in asynchronous clock domains. Public Details: Certain FlexRIO adapter modules have CLIP signals that must be used in a clock domain provided by the CLIP. Accessing the IO node outside of that clock domain should throw a compilation error. Some adapter modules do not throw a compilation error when the IO node is used in the wrong clock domain resulting in glitched data. Public Workaround: Recompile the FPGA VI with the IO node in the correct clock domain if using the NI 5751, NI 5752 or NI 5781 adapter modules.
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| 555601 Return | Issue: DRAM on NI PXIe-797xR FPGA modules is inaccessible immediately after a download or reset of the FPGA. Public Details: DRAM on NI PXIe-797xR FPGA modules is inaccessible immediately after a download or reset of the FPGA. A wait of at least 2.5 seconds must be added before before accessing the DRAM after an FPGA download or reset. Public Workaround: After any reset or download of the FPGA, wait at least 2.5 seconds before accessing the DRAM.
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| 596974 Return | Issue: There may be one sample of uncertainty when synchronizing multiple NI 5752 or NI 5752B adapter modules. Public Details: Due to a known issue in the constraints of the CLIPs for the NI 5752 and 5752B adapter modules there may be one sample of uncertainty when attempting to send the AdcTgcStart signal to the ADCs on the adapter modules. This may cause the gain sweep to start at different samples between adapter modules.
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| 583870 Return | Issue: The NI 5752 adapter module inverts the analog input signals. Public Details: Each analog input signal acquired by the NI 5752 contain an incorrectly flipped signed bit which inverts the reported input signal. Public Workaround: Invert the sign of the analog input signals coming from the CLIP.
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| 554346 Return | Issue: The Aurora CLIP for the NI-793xR - MGT Aurora CLIP example may fail to initialize. Public Details: A design using the Aurora CLIP from the NI-793xR - MGT Aurora CLIP example project may fail to initialize after downloading a bitfile or resetting the FPGA. Public Workaround: Use the status signals on the Aurora CLIP to determine if an error occurred and re-download the bitfile until the CLIP initializes without an error.
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| 611228 Return | Issue: NI 6587 and NI 6589 examples return Error -52005: "The parameter received by the function is not valid." without changing anything within the example. Public Details: After installing FlexRIO Support 16.0, running NI 6587 and NI 6589 IO Module example programs in LabVIEW 2015 and LabVIEW 2016 results in Error -52005: "The parameter received by the function is not valid". Public Workaround: In a new LabVIEW Project, create an NI 6587/6589 program from scratch using the broken examples as reference.
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Contact NI regarding this document or issues in the document. If you contact NI in regards to a specific issue, reference the ID number given in the document. The ID number contains the current issue ID number as well as the legacy ID number (use the current ID number when contacting NI). You can contact us through any of the normal support channels including phone, email, or the discussion forums. Visit the NI Website to contact us. Also contact us if you find a workaround for an issue that is not listed in the document.