NI-Industrial Communications for EtherCAT 2026 Q3 Bug Fixes

Overview

The following items are notable issues fixed between in EtherCAT 2026 Q3, 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-Industrial Communications for EtherCAT.

Bug Number

Legacy ID

Description

Details

Devices with multiple revisions require an exact revision match in the ESI file

For devices with multiple revisions, the master requires the revision in the ESI file to exactly match the revision reported by the hardware. If the revisions do not match exactly, the device does not load or configure correctly.

Workaround:

Edit the ESI file so that the revision value matches the revision reported by the hardware.

Reported Version:

N/A

Resolved Version:

NI-Industrial Communications for EtherCAT 2026 Q3

Added:

Jul 10, 2026

Loading modular EtherCAT devices may fail when the 0xF050 register is not supported

When modular EtherCAT devices do not support the optional 0xF050 register, the master may not be able to discover the device modules correctly. This can prevent the modular device profile from loading and the device from being initialized successfully in a LabVIEW project.

Workaround:

There is currently no known workaround for this issue.

Reported Version:

N/A

Resolved Version:

NI-Industrial Communications for EtherCAT 2026 Q3

Added:

Jul 10, 2026

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  • Resolved Version - Version in which the issue was resolved or was no longer applicable.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).