Fronius Symo GEN24 3.0, Operating Instructions Manual, Page: 28 / 144

DC disconnector The DC disconnector has three switch set-
tings:
(1) Locked/off (turned to the left)
(2) Off
(3) On
IMPORTANT!
In switch settings (1) and (3), a conven-
tional padlock can be used to secure the
inverter against being switched on/off.
- The national guidelines must be com-
plied with in this respect.
Data communica-
tion area
Modbus terminal
Push-in terminal for the installation of
Modbus 0, Modbus 1, 12 V and GND
(ground).
The data connection to the connected
components is established via the Mod-
bus terminal.
The inputs M0 and M1
can be selected for this purpose.
Max. 4 Modbus participants per input,
see chapter
Modbus participants on
page 66 .
WSD (wired shutdown) switch
Defines the inverter as a WSD primary
device or WSD secondary device.
Position 1: WSD primary device
Position 0: WSD secondary device
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