SMA SSM-U-1615 - Manual (Page 17)

4.4 Terminals on the Electronic Assembly
1 2 3 4 5 6 7 8 9 1112 14
A
B
C
D
E
F
G
H
K
L
M
N O P Q
I
Figure 6: Terminals on the electronic assembly
Position Designation Explanation
A ‒ Connection of string cable harnesses (PV+) and, depend-
ing on the version, of the plug-in board (MEU) for the num-
ber of PV inputs (factory installed)
B X1 Analog current input
C X2 Analog input temperature sensor external 1 (EXT 1)
D X3 Analog input temperature sensor external 2 (EXT 2)
E X4 Digital customer input
F X5 Digital input surge arrester DC
G X6 Status alarm contact DC load-break switch
H X7 Ethernet communication output LAN OUT
I X8 Terminal for the functional grounding cable of the elec-
tronic assembly
K X9 Ethernet communication input LAN IN
L LWLPB 1 Slot for the OF interface module (communication input
LWL IN)
M LWLPB 2 Slot for the OF interface module (communication output
LWL OUT)
N ‒ Digital output of potential-free change-over contact
4 Product Overview SMA Solar Technology AG
Operating Manual 17 SSMUXX15-BE-en-10