SMA WB 5000 Installation - Manual (Page 37)

SMA Technology AG Communication
Installation Guide WB50_60-11:SE4005 Page 37
7 Communication
Please obtain the necessary information for retrofitting with communication modules
from the instructions delivered together with each module.
The connection of the RS232 and RS485 data communication cables proceeds as
follows:
Based on the order code on the delivery note, you can check if the Sunny Boy 3800
has already been equipped with a communication interface at the factory:
"-0xx“ without interface
"-1xx“ or "-6xx“ NLM modem (mains grid communication)
"-2xx“ or "-7xx“ RS232 interface
"-4xx“ or "-8xx“ RS485 interface
For packaging reasons, the Sunny Boy 3800 cannot be factory fitted with a wireless
piggy-back.
7.1 Mains grid communication
To allow communication over the mains grid cables, the following conditions must be
satisfied:
• The Sunny Boy 3800 must be equipped with the "NLM Piggy-Back“ (see chapter
3.1 "Unit description” (page 13)).
The Sunny Boy 3800 can be retrofitted for powerline communication. The SMA order
code is "NLMPB--SMC-NR“.