Solare-datensysteme Solar-Log Instrukcja Użytkownika Pobierz pdf (Strona 221)

221

SMA

SMA connection using special RS485 piggyback card

76�2 SMA connection using special RS485 piggyback card

Easy Installation Termination Addressing Interface

Yes

Jumper

RS485

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 assigned

•

4-pin wiring

•

Installation steps

• Switch off the inverters and Solar-Log™

• Installing the special RS485 piggyback in inverters

• 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 shown in the inverter's instructions.

2. The Piggy Back has to be installed on the inverter's circuit board aligned to the left side under the

pin contract strip (

Figure 3, left).

The print "unten [down]" on the board has to be visible on the bottom left-hand side (

Figure 3,

right

Figure 3: Control board before and after installation of the piggyback

Connect inverters to the Solar-Log™

•

The wiring is done using a

ready-made data cable (optional extra; not supplied)

self-made, shielded 4 wire data cable and terminal block connector.

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Solare-datensysteme Solar-Log Instrukcja Użytkownika Strona 221