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NI-DCPower 2024 Q2 Bug Fixes

Created Apr 4, 2024

Overview

The following items are notable issues fixed between the release of NI-DCPower 2024 Q1 and NI-DCPower 2024 Q2, including additional patches and service packs. If you have an issue ID, you can search this list to validate that the issue has been fixed. This is not an exhaustive list of issues fixed in the current version of NI-DCPower.

Bug Number

Legacy ID

Description

Details
2330642, 2535225

Self Calibrate returns error -1074117877 or -1074118651 on the PXIe-4147 after using Autorange

When Autorange is enabled on the PXIe-4147, depending on the range the instrument is left in, a subsequent call to Self Calibrate may return an internal software error. This error may occur even after closing a session and opening a new one.

An example error:
niDCPower Cal Self Calibrate.vi<ERR>Internal Software Error. Contact NI support. 
Additional Error Info: Invalid filterOrder=0 downsampleRate=0

Workaround:

Disable Autorange or call Reset Device before calling Self Calibrate.

Reported Version:

NI-DCPower 2023 Q2

Resolved Version:

NI-DCPower 2024 Q2

Added:

Jan 31, 2024
2564025, 2663049

Error -1074116981 or -1074116980 occurs when calling Reset and using Merged Channels on the PXIe-4147

When using a PXIe-4147 with Merged Channels enabled, calling Reset will sometimes report an internal hardware error.

Workaround:

Set Merged Channels to False and Commit prior to calling Reset, or call Reset Device instead.

Reported Version:

NI-DCPower 2024 Q1

Resolved Version:

NI-DCPower 2024 Q2

Added:

Jan 31, 2024
2616058

Using an extremely large Measure Buffer Size on some instrument models causes a system crash

On certain instrument models, setting a very large Measure Buffer Size can cause a kernel crash at Commit.

Impacted models include:
  • PXI-4132
  • PXIe-4137/8/9
  • PXIe-4140/1/2/3/4/5
  • PXIe-4154

Workaround:

Use a smaller, more reasonable value for the Measure Buffer Size attribute.

Reported Version:

NI-DCPower 2023 Q4

Resolved Version:

NI-DCPower 2024 Q2

Added:

Jan 31, 2024

Additional Patch Information

Installing some patches may require certain additional steps or considerations. Please refer to the following table for more information about patches for this release.

These patches currently do not have any special instructions.

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).