AstroDIM

AstroDIM

The AstroDIM function provides a multi-stage night-time power reduction according to an internal timer that adapts to the system power onoff time. No external control infrastructure is required. This device automatically implements the dimming profile according to a predefined planned relationship to the midpoint, which is calculated based on the system power onoff times.

 

What is AstroDIM

SUMMER (June 21)

Sunset
20.50 hrs. — approx. 21.00 PM, 3 hrs. to midnight

Sunrise
04.50 hrs. — approx. 05.00 AM, 5 hrs. from midnight

3 hrs. + 5 hrs. = 8 hrs. ÷ 2 = 4 hrs.

21.00 hrs. + 4 hrs. = virtual midnight
corresponds to 01.00 AM

WINTER (December 21)

Sunset
15.50 hrs. — approx. 16.00 PM, 8 hrs. to midnight

Sunrise
07.50 hrs. — approx. 08.00 AM, 8 hrs. from midnight

8 hrs. + 8 hrs. = 16 hrs. ÷ 2 = 8 hrs.

16.00 hrs. + 4 hrs. = virtual midnight
corresponds to 00.00 AM

www.suncalc.net

The difference between virtual midnight can therefore differ by up to one hour during the year.

SPECIFIC EXAMPLE

Setting T1 = 1 hrs. 50 % and T2 = 4,5 hrs. 50 %

in summer there will be a switching time of approx. 00.00 and 05.30
…in winter switching time of approx. 23.00 and 04.30

 

Dawn and dusk scheme

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