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Settings
General remarks
All settings for the Fronius String Control 125/25 are made using the software package
„Fronius Solar.access".
Fig. 18 Settings dialog window
Number of
Enter the number of solar module strings for each measuring channel. This results in
strings per
automatic compensation of measuring channel deviations, which would only be required
measuring chan-
if there were a different number of strings per channel.
nel
Maximum deviati-
The 5 measuring channels record the total current of all strings connected over the
on
whole charging day. In the evening, the String Control 125/25uses these figures to
calculate an average value for each string. If „Fronius Solar.access" detects that one of
the strings deviates too much from this average value, a status message is sent to the
Datalogger.
The percentage deviation above which a measuring channel is to be classed as faulty is
defined in the „max. energy deviation" input field.
Minimum electric charge (Ah) at which evaluation is to start. This prevents possible
Threshold [Ah]
status messages in bad weather.
Ultrasonic signal
The ultrasonic transmitter sends various acoustic signals. They are inaudible to the
ON/OFF
human ear, but distress small animals. If it is switched on, damage to cables and plugs
from biting and gnawing animals is kept to a minimum.
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