REFU Elektronik GmbH REFUsol 40K / 46K-MV 17
3.5
Block Diagram
Fig. 3: Block diagram
1) DC switch
2) DC overvoltage protection
3) DC EMC filter
4) DC current measurement
5) Isolation monitoring
6) DC voltage measurement
7) AC current measurement
8) AC grid relays (redundant)
9) AC voltage and frequency measurement
10) AC EMC filter
11) AC overvoltage protection
12) Fault current monitoring, Type 2
13) Protective earth connection
14) Interfaces (Ethernet, RS485, Sensors, remote stop)
Pos: 28 /Inverter M anuals/Ger ätebeschreibun g/Bedienfe ld/WR @ 1\mo d_1410957749 856_641.docx @ 7880 @ 2 @ 1
3.6
Control Panel
The graphical user interface which is integrated on the front of the device and comprises 128 x 64 pixels can
be used to display the operation data, such as the feed-in power or yield. The parameters required are
selected and entered on the 8-key control panel. The control panel is illuminated when a key is pressed and
turns dark automatically.
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