6. Function blocks
6.1 Manufacturer function blocks
Day Hour Minute Result
DY2 e.g. Fr - - If you only set the weekday for the Off time, the
programming software will automatically set the
Weekday for the On time to Sunday and Hour and
Minute values to 00.
Device display: Su 00:00/Fr --:--
DYx = Weekday
It is therefore not possible to enter the time only. If you delete the weekday (DEL button)
whilst making an entry or during operation or simulation, the time will be deleted auto-
matically. Entering the time automatically causes Sunday to be entered as the default
weekday.
Other
Retention
The function block does not recognize retentive data.
Behavior in the event of a power failure
The time is backed up and refreshed in the event of a power supply failure. In this case,
the time switches no longer switch and the contacts are kept open, Q1=0.
Information on the battery back-up time are provided on → Section "Real-time clock",
page 586
The switching points are defined according to the parameters entered.
After being switched on, the control relay will always update its switching
state based on all existing switching time settings and will switch Q1
accordingly.
easyE4 11/18 MN050009 EN www.eaton.com
171
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