SMA Sunny Boy 485PB-NR Kurzanleitung Seite 27

SMA Technologie AG
Caution: In order to avoid personal danger in case of a fault within
the inverter definitely, use the provided silicone tube when instal-
ling a RS232 or RS485 Piggy-Back.
The provided silicone tube has to
enclose the data line inside the
enclosure completely.
Shorten the provided silicone tube to the required length (from the PG screw connec-
tion to the screw terminal of the Piggy-Back).
Lead the wires of the communication line through the silicone tube!
Short Description
Retrofitting the Communication Interfaces
C
B
+ + + - - - A
- - -
+ + +
PB-NR-IXX073014 Page 27