Expert Mode - Siemens Profi 7LF4 522-0 Operating Instructions Manual

Expert mode

Note: Upon switching from ACTIVE to PASSIVE the additional menu items are hidden again and all the Expert mode settings are cancelled.
After re-activating, Expert mode will operate again with the basic settings.
Holidays
After activation the holiday program is executed between 0:00h on the start date and 24:00h 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.
Automatic channel switching
Only available in EXPERT mode
On two-channel time switches a cyclic switch between channels can be set to conserve and/or ensure even use of connected equipment such as lamps and lights.
For example, with two sets of lights, one can be used all night long and the other for part of the night only. However, cyclical inversion of the outputs ensures that
the lamps are on for the same length of time on average. The outputs are automatically swapped over once a day (12 noon) or once a week (Sunday at 12 noon).
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Some additional functions are available in Expert mode:
• Power grid synchronisation to improve the accuracy
• Cycle function
• Automatic channel switching