For a conductor cross-section of 1.5 mm
2
, the maximum permissible
cable length is 100 m.
** The cable cross-section must be dimensioned in accordance with the in-
stallation situation and the specifications of the battery manufacturer.
Permissible
cables for the
data communic-
ation connection
Cables with the following design can be connected to the terminals of the invert-
er:
-
Copper: round, solid
-
Copper: round, fine-stranded
IMPORTANT!
Connect the individual conductors to an appropriate ferrule if several individual
conductors are connected to one input of the push-in terminals.
WSD connections with push-in terminal
Dis-
tance
max.
Strip-
ping
length
Cable re-
commenda-
tion
100 m
109 yd
10 mm
0.39 inch
0.14-1.5 mm
2
AWG 26 - 16
0.14-1.5 mm
2
AWG 26 - 16
0.14-1 mm
2
AWG 26 - 18
0.14-1.5 mm
2
AWG 26 - 16
min. CAT 5
UTP (un-
shielded
twisted pair)
Modbus connections with push-in terminal
Dis-
tance
max.
Strip-
ping
length
Cable re-
commenda-
tion
300 m
328 yd
10 mm
0.39 inch
0.14-1.5 mm
2
AWG 26 - 16
0.14-1.5 mm
2
AWG 26 - 16
0.14-1 mm
2
AWG 26 - 18
0.14-1.5 mm
2
AWG 26 - 16
min. CAT 5
STP (shiel-
ded twisted
pair)
IO connections with push-in terminal
Dis-
tance
max.
Strip-
ping
length
Cable re-
commenda-
tion
30 m
32 yd
10 mm
0.39 inch
0.14-1.5 mm
2
AWG 26 - 16
0.14-1.5 mm
2
AWG 26 - 16
0.14-1 mm
2
AWG 26 - 18
0.14-1.5 mm
2
AWG 26 - 16
Single con-
ductor pos-
sible
LAN connections
Fronius recommends at least CAT 5 STP (shielded twisted pair) cables and a maximum distance of
100 m (109 yd).
Cable diameter
of the AC cable
For a standard M32 cable gland with a reducer:
7-15 mm
For a standard M32 cable gland without a reducer:
11-21 mm
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