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Siemens 7LF4 521-0 - Holiday and Synchronization Settings; Holiday Program Management; Grid Synchronization Control

Siemens 7LF4 521-0
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14
2514264121-02
3ZW1012-7LF45-5AA0
English
Holiday
After activation the holiday program is executed between 0:00 h on the start date and 24:00 h on the end date (Constant ON/OFF).
After the holiday program has run once, it must be reactivated.
Activating and deactivating grid synchronisation
Only available in EXPERT mode.
The default setting is PASSIVE. In order to improve
the long-term accuracy, it is advisable to activate
synchronisation if the time switch is supplied from a
on 50/60 Hz grid with frequency adjustment.

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