SMA 485PB-NR - Handbuch (Seite 23)

SMA Technologie AG Retrofitting the Communication Interfaces
Short Description PB-NR-IXX073014 Page 23
RS485 for a Sunny Boy type "SWR"
RS485 Piggy-Back
Resistors with one black ring
must be removed for RS485
communication. Resistors can
be brown or blue.
Function of the jumpers are
described in the follwing table
Terminal block for connec-
tion of the RS485 cable