2 switching contact – SMA Sunny Boy Control User Manual
Page 47

Sunny Boy Control
SMA Technologie AG
User Manual
SUNBC-14:NE0206
43
3.5.2 Switching Contact
The switching contact is intended to operate an external load according to the load
and time management settings of the Sunny Boy Control. The default switch position
can be changed in the menu “Setup…Interfaces…Relais out…
Switch Contact
Default switch position of
the switching contact
Sunny Boy Control
operating condition
Switching
Contact 2-1
Power failure
Contact 2-1 (pin 2)
Contact 2-1
Normal operation
Contact 2-1 (pin 2)
Contact 2-1
Time/load event
Contact 2-2 (pin 4)
Contact 2-2
Power failure
Contact 2-1 (pin 2)
Contact 2-2
Normal operation
Contact 2-2 (pin 4)
Contact 2-2
Time/load event
Contact 2-1 (pin 2)
Table 3.7: Switch positions of switching contact
To switch an external load connected to the switching contact, an additional relay is
required.