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Connections and interfaces overview
UPDATE:
RDCU
Control
(A43)
panel
+24 V DC
ExtPower
X20
SLOT 1
X21
X22
X23
X25
X26
SLOT 2
X27
DDCS
CH3
CH2
3
DriveWindow
PC
1)
Monitoring and/or controlling of the inverter;
3)
4)
See page 83;
Ground fault monitoring (option +Q954 or +Q976)
5)
Remote monitoring (default connection). For ring topology, see the firmware manual for the required
parameter settings.
6)
APBU branching unit and connection to AINT boards through APBU only in frames 2 × R8i and 3 × R8i. In
frames 1 × R7i and 1 × R8i, the fiber optic cables from A41 are connected directly to AINT. 2 × R8i uses
channels CH1 and CH2 for the connection.
PLC
1
CH0
5
Internet
APBU
CNTL 1
NETA
6
CH1
CH2
AINT
AINT
L+
L-
L+
L-
2)
Grid monitoring relay (option +Q969, +Q974 or +Q975);
RDCU
Control
(A41)
panel
+24 V DC
ExtPower
X20
X21
SLOT 1
4
X22
X23
X25
X26
SLOT 2
X27
Inverter
TXD
DDCS
RXD
CH2
CH0
CH3
Q10
2
AINT
4
PE
X21
PVS-JB-8-M
1
2
3
L1
L2
L3
PE
CDP312R
I
0
2
NAMU
2×I
3×U
L
230 V AC
N
PE
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