6. Function blocks
6.1 Manufacturer function blocks
Fig. 163: Sunrise and sunset in Drevja
Douala in Cameroon
The following is the geodata for the Douala location in Cameroon:
l
Latitude: 4.0047314
l
Longitude: 9.7329299
The sunrise and sunset times remain the same throughout the whole year with little
variation.
Fig. 164: Offset; O1=-2; O2=2; Q1=1 will switch on 2 hours before sunrise and off 2 hours after sunset
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