SMA SB 4200TL HC Multi-String - Manual (Page 11)

SMA Technologie AG overview
Installation Guide SBTLHCMS-IEN080411 Page11
4 overview
4. 1 Unit Description
The following diagram gives a schematic overview of the various components and con-
nection points inside the Sunny Boy with the cover removed:
Varistors, section 10
Socket for communication (RS232, RS485,
NLM Piggy-Back, Radio), section 12
Sunny Display
Operating status
LEDs
Jumper slot for com-
munication
Communications
connector
Socket for PLC power module (required for
mains grid communications) PV input plug (DC),
section 6.2. 2
Socket for the DC disconnection unit
Electronic Solar Switch
Flat connection for grounding the cable shield
for RS232 and RS485 communications
Connection terminals
(AC), section 6.2. 1