Block diagram

1

DC inputs for PV modules

2

Overvoltage protection (DC side)

3

Electronic DC disconnection device

4

EMC filter (DC side)

5

DC regulator

6

Intermediate circuit

7

Inverter bridge circuit

8

Grid monitoring and shutdown

9

EMC filter (AC side)

10

AC connection

11

Connection panels for communication interfaces

12

Voltage and current measurement

13

Control system and communication

14

Status LED

15

DC switch