Archived: NI-568X 1.1 Known Issues

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This document contains the NI-568X 1.1 known issues that were discovered before and since the release of NI-568X 1.1. Not every issue known to NI appears on this list; it is intended to show the most severe and common issues that can be encountered.

Each issue appears as a row in the table and includes the following fields:

  • Issue ID - The number in at the top of each of the cells in the first column. When you report an issue to NI, you may be given this ID, you can also find IDs posted by NI on the discussion forums or in Knowledge Base articles.  "N/A" indicates that there is no ID assigned to the issue.
  • Issue Title (in italics) - Describes the issue in one sentence or less.
  • Problem Description - A few sentences which describe the problem in further detail. The brief description given does not necessarily describe the problem in full detail, and it is expected that you may want more information on an issue. If you would like more information on an issue, contact NI and reference the ID number given in the document.
  • Workaround - Possible ways to work around the problem. The workarounds that appear in the document are not always tested by NI and are not guaranteed to resolve the issue. If a workaround refers you to the NI KnowledgeBase, visit www.ni.com/kb/ and enter the KnowledgeBase number in the search field to locate the specific document.
  • Reported Version - The earliest version of NI-RFSG in which the issue was reported. If you discover the issue appears in an earlier version of NI-RFSG than is reported in this field, report the discrepancy to NI to have the field updated.
  • Resolved Version - The version in which the issue was resolved or was no longer applicable.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).

Known Issues by Severity

218656 An error can occur after disconnecting and reconnecting NI USB-5681.
238457 Power meters do not appear in NI Measurement & Automation Explorer (MAX) after installing the NI-568x driver.
238742 Timeout errors can occur in Scope mode.
238918 You cannot use the power meter after disconnecting and reconnecting the power meter.
240557 Scope mode acquisition example returns error when capture time is less than 20 ms.



ID Known Issue
218656

An error can occur after disconnecting and reconnecting NI USB-5681.
Occasionally when you disconnect the power meter and reconnect it to the same port, the power errors out in LabVIEW.

Workaround: Connect the power meter to a different port, or close LabVIEW and the Soft Front Panel (any applications using the power meter), disconnect the power meter, and reconnect it after a pause.

Reported Version: 1.1    Resolved Version: N/A    Added: 09/28/2010
238457
Power meters do not appear in NI Measurement & Automation Explorer (MAX) after installing the NI-568x driver.
NI-568x 1.1 and later added support for displaying the USB power meters in MAX. However, if a power meter was plugged into the system when the driver was being installed, the power meter does not appear in MAX.

Workaround: To make the power meter appear in MAX, disconnect and reconnect the power meter after a pause.

Reported Version: 1.1    Resolved Version: N/A    Added: 09/28/2010
238742
Timeout errors can occur in Scope mode.
A timeout error occurs in Scope Mode when capture time is more than 205 ms and the number of data points per record is more than 1000.

Workaround: Reduce the capture time to less than 205 ms or number of data points per record to less than 1000 points.

Reported Version: 1.1    Resolved Version: N/A    Added: 09/28/2010
238918
You cannot use the power meter after disconnecting and reconnecting the power meter.
While using a power meter in LabVIEW, if you launch the Soft Front Panel (SFP), the SFP launches a dialog box requesting you to disconnect and reconnect the power meter. You get this message because you cannot use the power meter simultaneously in LabVIEW and the SFP. However, following the instructions in the dialog box makes the power meter unusable.

Workaround: Ignore the message in the dialog to disconnect and reconnect the power meter. If you have gotten into the situation where you can no longer use the power meter, shut down LabVIEW and the SFP (any applications using the power meter), disconnect the power meter, and reconnect after a pause.

Reported Version: 1.1    Resolved Version: N/A    Added: 09/28/2010
240557
Scope mode acquisition example returns error when capture time is less than 20 ms.
Error -1074118649 is returned when using the Scope mode acquisition example with capture time set to less than 20 ms. This issue is not limited to the example VI. This issue happens when the gate is enabled and the gate parameters are not within the limits of the capture time.

Workaround: If gate is enabled, the gate start cannot be negative, and it cannot exceed the capture time. Also, the gate end cannot be less than gate start and cannot exceed the capture time.

Reported Version: 1.1    Resolved Version: N/A    Added: 09/28/2010

Contacting NI

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.

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).