i550: Unexpected error message 33171 (Invalid cyclic process data) after a parameter was changed

Description of the behavior:
The error message 33171 (Invalid cyclic process data) occurs unexpectedly on the i550
i550_Meldung33171.jpg
 

Conditions under which the behavior occurs:

  • The i550 is connected to a Lenze Controller (e.g. c430, c520, c550)
  • The parameter set download from the controller is used
  • One or more parameters of the i550 are changed in the PLC Designer
  • The project is then transferred to the controller. The parameter set change is confirmed with "Download all" 

 
Affected products:
Frequency inverter i550 in combination with a Lenze controller

Short-term measures, Recommendations, Rating:
This behavior does not constitute a product defect. No change is planned for this behavior.

[Automatic Translation]
URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/202500167/1/
Meta data
Taxonomy: i550 cabinet frequency inverters , i550 protec frequency inverters
AKB-ID: 202500167
Last update: 2025/07/14
Category: Informations sur la version

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