7 Connection
SMA Solar Technology AG
36
HoMan-IA-en-17
Installation Manual
Contact Pin Assignment of the Pin Connector
Figure 15: Contact pin assignment of the pin connectors at the bottom of the Sunny Home Manager enclosure
Upper contact pin row for D0:
Lower contact pin row for S0:
Pin
Signal
Specification
Description
A
GND
Voltage supply
Ground
B
TX
Transmitter output
Transmit D0
C
RX
Receiver input
Receive D0
D
VCC_D0, +8 Volt Voltage supply output
Voltage supply for the optical probe
Pin
Signal
Specification
Description
E
S0-
Input and output
S0 signal
F
S0+
Input and output
S0 signal
G
GND
Voltage supply
Ground of the external voltage
supply when supplied via top-hat
rail power supply
H
+12 Volt, DC
Voltage supply input
External voltage supply when
supplied via top-hat rail power
supply