54 Electrical installation
Connection diagram
No. Description No. Description
1a Standard & -S: 1 pair DC input screw
terminals and string combiner box
4 Remote control unit terminal X1
5 Remote monitoring terminal X2
1b -SX: 8 pairs of PV quick DC connectors 6 Clamp connections for cable shields
2 Additional PE terminal* 7 Option module SLOT 1 and SLOT 2
3 AC cable connector (PE, N, L1, L2, L3) 8 Control unit
* Required if the conductivity of the primary PE conductor is not sufficient. Refer to Power
cable requirements on page 37.
1
•
•
•
N
X1:1 Data +
X1:2 Data -
X1:3 GND
X1:4 +24 VDC
X1:5 GND
X1:6 REM_
CTL_ENA
X2:1 Data +
X2:2 Data -
X2:3 GND_A
SLOT 1
SLOT 2
DC +
DC -
DC 1+
DC 1-
DC 8+
DC 8-
PE
PE
N
L1
L2
L3
PE
N
L1
L2
L3
(PE)
1a
2
3
7
4
5
6
8
1b
Standard & -S
-SX