What happens:
Retain variables or logbook entries are not stored sporadically.
When does the behaviour occur?
The behavior can occur depending on the SD card used.
Which
products are affected?
Controller c520 from V1.1
Controller c550 from V1.1
Short-term measures:
Only use Lenze SD cards with "swissbit" printed on the back.
Evaluation / Recommendations:
Depending on the SD card used in the controller, variables and logbook entries that are protected against power failure are sporadically not saved. SD cards supplied with the controller and SD cards with application credit obtained from Lenze are not affected by this restriction. The controllers are delivered from the factory with Swissbit SD cards.
Note: No change is planned for this behavior!
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