Fronius Power Control Card Bedienungsanleitung Seite 46

Power
Using the Fronius
1
Power Control
Card without a
ripple control sig-
nal receiver
Connecting the
1
Fronius Power
Control Card to a
control unit in line
with Italian stand-
ard CEI 0-21
CEI 0-21-compliant control unit
(1)
(2)
44
Relay 1
30% open
0% open
NOTE! Cables are not monitored in 3-relay operation. Cable breaks are not de-
tected and displayed as faults.
Select either 2-relay mode or 3-relay mode on the "operating mode adjusting dial"
NOTE! There is no reduction in power.
Connect the CEI 0-21-compliant control unit and Fronius Power Control Card plug us-
ing a 3-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 CEI 0-21-compliant control unit are
designed 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 CEI 0-21-compliant control unit is greater than 10 m.
(1)
(2)
closed
open
closed
open
Relay 2
closed
Enforced inverter standby mode (no energy fed into the grid)
Normal inverter operating mode
Activation of the inner S1 frequency thresholds and the outer
S2 frequency thresholds as per CEI 0-21
Deactivation of the inner S1 frequency thresholds
Activation of the outer S2 frequency thresholds
as per CEI 0-21
Relay 3
open
Fronius Power Control Card
open
closed
GND
D1
D2
D3
D4