Fronius Datamanager 2.0 Operating Instructions Manual page 18

Example 2 - large-scale system
Archived data are sent to Fronius Sol-
ar.web;
120 minutes transfer time;
Inverters operate 14 h/day;
5 minutes storage interval;
(This results in 173 memory sectors per
day in accordance with section "Calcu-
lating memory capacity")
The current overall view and the current
comparison view are viewed over a two-
hour period every day
50 service messages sent each day to
confirm average error rate
Subtotal without safety factor
A 10% safety factor is added to the cal-
culation
Final result
18
+ 0.6 KB/min x 120 min = 72 KB
+ (173 memory sectors/day x 4 KB)
+ 42 KB/h x 2 h
+ 300 KB/h x 10 x 2 h
+ (13 KB/h + 100 x 4 KB/h) x 2 h
+ 50 service messages x 1 KB = 50 KB
8,500.15 KB + 10%
9,350.165 KB/day
(approx. 9.35 MB/day)
+ 8 KB
= 700 KB
= 6910 KB
0.15 KB
768.00 KB
72.00 KB
700.00 KB
6910.00 KB
50.00 KB
8,500.15 KB