Archived: NI-Sync 3.x Known Issues

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This document contains the NI-Sync 3.x known issues that were discovered before and since the release of the NI-Sync 3.x. Not every issue known to NI will appear on this list; it is intended to only show the severe and common issues.

Known Issues by Date

The following items are known issues in NI-Sync 3.x sorted by Date.

222651 The NI PXI-6682 is incorrectly identified as a VISA device on a 64-bit host computer with more than 4 GB of RAM.
173555 If a large time adjustment occurs, any PPS or clock being generated will not be aligned with the new time of the board.
173559 You cannot specify a delay for the global software trigger.
242012 If Set Time is called, the time will be successfully set as directed no matter what the current time reference has been set to.
246967 Enabling or disabling the PFI 10kOhm Termination on the NI PXI-6674T affects PFI threshold value.
246972 On the NI PXIe-6674T, setting 10kOhm Termination on PF1 causes an error.
322232 Setting the User LED State property on an NI PXIe-6674T results in error -1074118653: This operation requires a feature that is not supported.
327791 NI-Sync may use cached MAX configuration data.
330043 Reading Future Time Events on NI PXI-668x Modules may cause a crash.
363033 The time reference offset value is no longer updated when the 1588 node switches to master.
364088 Running niSync Start 1588.vi resets all the 1588 properties to default.
365208 The NI PXIe-6674(T) self-test fails with error -201427.
366243 The Mobile Mode property may be inconsistent on an NI PXI-6682 after restart.
367753 Resetting the PXI-6682(H) or PCI-1588 multiple times cause errors
381561 The network adapter on the NI PXI-6682 initializes with incorrect settings.
385300 When in polling mode, the NI PXI-6682 and NI PXI-6683 modules fail to acquire an IP address.
399570 If you enable the network adapter of a NI PXI-668x module on a real-time system and do not connect it over Ethernet, the IEEE 1588-2008 feature of the module will be in the master state.
401274 The NI PXI-6682(H) produces a static offset on 10 Mbps Ethernet connections when synchronizing to IEEE 1588-2008.
41819 4E3AJQRX The PXI-6682 and PXI-6683 may revert to using the TCXO (because Clk10 is no longer available) without notifying the user
438783 The NI PXI-6682 and NI PXI-6683 modules may cause excessive jitter on real-time systems.
439127 The NI PXI-6683(H) only verifies the first 6 characters of the calibration password, even if the password is longer than 6 characters.
439129 Modifying the calibration password updates the calibration timestamp.
506257 The NI PXI-6683 Ethernet driver may cause real-time systems to hang or crash.



ID Known Issue
222651

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The NI PXI-6682 is incorrectly identified as a VISA device on a 64-bit host computer with more than 4 GB of RAM.

Workaround: N/A

Reported Version: 3.2    Resolved Version: 3.2.3    Added: 06/01/2011
173555

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If a large time adjustment occurs, any PPS or clock being generated will not be aligned with the new time of the board.

Workaround: Monitor for large time adjustments (snaps) and restart clocks each time such an adjustment occurs. You also can use future time events instead of clocks.

Reported Version: 3.0    Resolved Version: N/A    Added: 08/04/2014
173559

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You cannot specify a delay for the global software trigger.
The global software trigger fires on the next riding edge of the clock even if you specify a delay.

Workaround: N/A

Reported Version: 3.1    Resolved Version: N/A    Added: 08/04/2014
242012

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If Set Time is called, the time will be successfully set as directed no matter what the current time reference has been set to.
Some time references, such as GPS and IRIG should not allow setting the time.

Workaround: N/A

Reported Version: 3.3    Resolved Version: N/A    Added: 08/04/2014
246967

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Enabling or disabling the PFI 10kOhm Termination on the NI PXI-6674T affects PFI threshold value.
Enabling the 10kOhm termination causes the threshold voltage to decrease slightly, while disabling the 10kOhm termination causes the threshold voltage to increase slightly.

Workaround: N/A

Reported Version: 3.2    Resolved Version: 3.3    Added: 08/04/2014
246972

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On the NI PXIe-6674T, setting 10kOhm Termination on PF1 causes an error.
If the threshold voltage for PFI1 is set close to its maximum value, enabling PFI1 10kOhm termination causes the following calls to hang: Get PFI Threshold Voltage, Set PFI Threshold Voltage, and Enable PFI1 10kOhm termination.

Workaround: N/A

Reported Version: 3.2    Resolved Version: 3.3    Added: 08/04/2014
322232

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Setting the User LED State property on an NI PXIe-6674T results in error -1074118653: This operation requires a feature that is not supported.

Workaround: N/A

Reported Version: 3.2    Resolved Version: 3.4    Added: 08/04/2014
327791

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NI-Sync may use cached MAX configuration data.
If you place an NI PXI-6682 module in a slot which previously housed a different NI PXI-6682, NI-Sync will use the the MAX configuration data from the previous module.

Workaround: Set the NI PXI-6682 to recalculate the position on reboot.

Reported Version: 3.3    Resolved Version: N/A    Added: 08/04/2014
330043

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Reading Future Time Events on NI PXI-668x Modules may cause a crash.
Enabling trigger timestamps on a line while the hardware timestamps a trigger on a different line may result in a system crash.

Workaround: N/A

Reported Version: 3.0    Resolved Version: 3.4    Added: 08/04/2014
363033

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The time reference offset value is no longer updated when the 1588 node switches to master.

Workaround: Do not query the property when the 1588 node is the master and primary time reference.

Reported Version: 3.4    Resolved Version: N/A    Added: 08/04/2014
364088

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Running niSync Start 1588.vi resets all the 1588 properties to default.
When you run the niSync Start 1588 VI, all 1588 properties are reset to default, including Log Sync Interval, Priority 1, and Priority 2. Any settings configured prior to running this VI are erased.

Workaround: N/A

Reported Version: 3.3    Resolved Version: 3.4    Added: 08/04/2014
365208

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The NI PXIe-6674(T) self-test fails with error -201427.
Due to an intermittent error in initialization of the device, an NI PXIe-6674(T) self-test results in error -201427: The specified device is not supported within the NI-DAQmx API.

Workaround: Reboot the system.

Reported Version: 3.3    Resolved Version: 3.4    Added: 08/04/2014
366243

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The Mobile Mode property may be inconsistent on an NI PXI-6682 after restart.
After a reboot, test panels for the board may falsely report that the board is in stationary mode.

Workaround: N/A

Reported Version: 3.4    Resolved Version: N/A    Added: 08/04/2014
367753

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Resetting the PXI-6682(H) or PCI-1588 multiple times cause errors
Multiple asynchronous resets to the PXI-6682(H) or PCI-1588 cause a variety of errors and may even result in a system hang or crash.

Workaround: N/A

Reported Version: 3.4    Resolved Version: 3.4    Added: 08/04/2014
381561

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The network adapter on the NI PXI-6682 initializes with incorrect settings.
When an NI PXI-6682 is configured as the secondary NIC, the network adapter will initialize to 10Mbps/Full Duplex mode regardless of the user-defined settings.

Workaround: N/A

Reported Version: 3.3.5    Resolved Version: 3.4    Added: 08/04/2014
385300

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When in polling mode, the NI PXI-6682 and NI PXI-6683 modules fail to acquire an IP address.
When these modules are configured to use polling mode, the network adapters on the NI PXI-6682 and NI PXI-6683 modules fail to receive an IP address with the LabVIEW 2011 Real-Time Module.

Workaround: N/A

Reported Version: 3.4    Resolved Version: 3.4    Added: 08/04/2014
399570

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If you enable the network adapter of a NI PXI-668x module on a real-time system and do not connect it over Ethernet, the IEEE 1588-2008 feature of the module will be in the master state.

Workaround: N/A

Reported Version: 3.4    Resolved Version: N/A    Added: 08/04/2014
401274

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The NI PXI-6682(H) produces a static offset on 10 Mbps Ethernet connections when synchronizing to IEEE 1588-2008.

Workaround: N/A

Reported Version: 3.4    Resolved Version: N/A    Added: 08/04/2014
41819
4E3AJQRX


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The PXI-6682 and PXI-6683 may revert to using the TCXO (because Clk10 is no longer available) without notifying the user
The PXI-6682 and PXI-6683 have a protection mechanism so that if they are running off Clk10 and Clk10 disappears, the card will revert to using the TCXO, and will not hang. However, because there is no notification, users who have configured their board to run off Clk10 might unknowingly have a board running off its own TCXO.

Workaround: N/A

Reported Version: 3.0    Resolved Version: N/A    Added: 08/04/2014
438783

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The NI PXI-6682 and NI PXI-6683 modules may cause excessive jitter on real-time systems.

Workaround: National Instruments recommends that you carefully evaluate the performance of applications sensitive to jitter that use NI PXI-668x modules to verify that jitter requirements are met.

Reported Version: 3.3    Resolved Version: 14.5    Added: 08/04/2014
439127

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The NI PXI-6683(H) only verifies the first 6 characters of the calibration password, even if the password is longer than 6 characters.

Workaround: N/A

Reported Version: 3.4.1    Resolved Version: N/A    Added: 08/04/2014
439129

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Modifying the calibration password updates the calibration timestamp.

Workaround: N/A

Reported Version: 3.4.1    Resolved Version: N/A    Added: 08/04/2014
506257

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The NI PXI-6683 Ethernet driver may cause real-time systems to hang or crash.

Workaround: Disable the Ethernet adapter on the NI PXI-6683 to prevent the system hang from occurring.

Reported Version: 3.4    Resolved Version: 14.5    Added: 03/02/2015

Document last updated on 6/26/2015

Glossary of Terms

 

  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on ni.com.  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).