Installation manual

Connecting the inverters
SMA
Solar-Log
1000/500/200
Installation 19 of 268
4.2.2 SMA connection using special RS485 piggyback card
Overview
 Interface not integrated. retrofit the special RS485 piggyback card
 Where to connect: Terminal strip inside the inverter on the piggyback
 Communication address does not have to be allocated.
 4 pin wiring
 Work steps
• Switch off the inverters and SolarLog™;  Page 17
• Install the Special RS485 piggy back in the inverter
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
Installing the special RS485 piggyback in inverters
Procedure
1 Open the inverter as described in the inverter instructions.
2 Insert the piggy back with the bottom plug connector left aligned on the
control board of the inverter ( Figure 10, left)
The word “bottom” printed on the control board must be visible on the bot-
tom left ( Figure 10, right).
Figure 10: Control board before and after installation of the piggy back