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Fimer R25 Series Руководство
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7 Option: Comparison of Yields from Inverters by
Sensor Box Module

7.1 Functional Description

Each inverter is equipped with an integrated yield monitoring function. This function is based on
the comparison of yield data from one inverter with an irradiation sensor connected or from an
installation comprising at least 2 inverters that are networked by means of a master-slave network.

7.2 Requirements

Irradiation and module-temperature sensors connected and set.
Suitable installation position and geographical orientation for the sensor box (same
inclination, orientation and shadowing as the modules)
Activation code (available from FIMER for an additional charge)
Note: The sensor and inverter data can be compared without the activation code. It is also possible
to read out the annual sensor logger and the annual energy logger without the activation code. If you
do have and enter the activation code, an automatic check takes place and an alarm is output.

7.3 Parameter configuration and setting

The following parameters must be entered:
Parameter number 214: Module efficiency
Menu
Short Description
Unit
Accuracy
Enter the efficiency of the modules here.
Nota: When making this entry, make sure that you enter either the module efficiency here and the
total module surface area for parameter 215 or the cell efficiency here and the total cell surface
area for parameter 215.
Parameter number 215: Module surface area (of PV installation)
Menu
Short Description
Unit
Accuracy
Enter the module surface area in m
Note: When making this entry, make sure that you enter either the module surface area here and the
module efficiency for parameter 214 or the cell surface area here and the cell efficiency for
parameter 214.
Parameter number 218: Module temperature coefficient
Menu
Short Description
Unit
Accuracy
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Environment
META
%
0,1%
Environment
MFL
2
m
2
0,1m
2
here.
Environment
MTK
%/°C
0,01%/°C
5