Controller with EtherCAT HotConnect: Exception at ETCSlave.HcGroup.Name when HC node is copied

Removed from:

Behavior of the new version:



Description of behavior:
When copying an EtherCAT slave that represents a HotConnect group (Head), the system does not automatically create a new HcGroup component. As a result, accessing the property EtcSlave.HcGroup fails and returns NULL.
This behavior can lead to runtime errors if the HcGroup property is accessed without validation.


Conditions under which the behavior occurs:

  • Copying an EtherCAT slave that represents a HotConnect Group (Head)

 
Affected products:
Controller C430 (from FW 1.14.0)
Controller C520 (from FW 1.14.0)
Controller C550 (from FW 1.14.0)

Short-term measures, Recommendations,Rating:
Always check for NULL pointer before accessing EtcSlave.HcGroup. 
Detach and reattach the newly inserted HotConnect group manually to ensure proper initialization.

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URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/202500251/1/
Metadaten
Taxonomy: Controller c430 , Controller c520 , Controller c550 , Controller c500
AKB-ID: 202500251
Last update: 2025/08/20
Category: Versions-Informationen

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