Once the data communication cables have been connected and provided there is sufficient
power supply from the Solar Net, the supply LED will light up green.
Connecting the
1
Fronius Power
Control Card to a
4-relay ripple con-
trol signal receiv-
er
Ripple control signal receiver
Power
100%
42
Connect the ripple control signal receiver and Fronius Power Control Card plug using
a 5-pin cable, as shown in the connection diagram below
Tightening torque for the terminals: 0.25 Nm
NOTE! The terminals on the plug for the ripple control signal receiver are de-
signed to accommodate a maximum cable cross-section of 1.5 mm².
A screened cable is recommended if the distance between the Fronius Pow-
er Control Card and the ripple control signal receiver is greater than 10 m.
100 %
1
60 %
2
30 %
3
0 %
4
Relay 1
closed
60%
open
30%
open
0%
open
NOTE! If no ripple control signal receiver is connected, all inputs are open and an
error message appears. There is no reduction in power.
Connect the data communication
1
cables to the Solar Net IN and Solar
Net OUT connections
-
If the Fronius Power Control Card
is the first DATCOM component in
the Fronius Solar Net,
connect a terminating plug to the
Solar Net IN connection
-
If the Fronius Power Control Card
is the last DATCOM component in
the Fronius Solar Net,
connect a terminating plug to the
Solar Net IN connection
Fronius Power Control Card
Relay 2
Relay 3
open
open
closed
open
open
closed
open
open
GND
D1
D2
D3
D4
Relay 4
open
open
open
closed