27 eltek, 27�1 eltek – Solare Datensysteme Solar-Log User Manual

Page 94

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94

Eltek

Eltek

27 Eltek

27�1 Eltek

Easy Installation

Termination

Addressing

Interface

No

Yes

Yes

RS485

Overview

Integrated interface

Where to connect: Terminal strip inside the inverter

2-pin wiring

Communication address must be allocated.

Installation steps

Switch off the inverters and Solar-Log™

Connect inverters to the Solar-Log™

Connect the inverters to each other

Configure the inverter's communication interface

Allocate communication address

Connect inverters to the Solar-Log™

The wiring is done using a

self-made, shielded 2 wire data cable and terminal block connector.

Procedure

1.

Connect wires as shown in the diagram below.

Solar-Log™ terminal strip connector

Inverter terminal strip

Terminal

Terminal

► 1

► B (Data+)

► 4

► A (Data-)

2. If only one inverter is to be connected, it must be terminated according to the manufacturer's instruc-

tions.

3. Close the inverter cover if no other inverters are to be connected.

4. Insert the terminal block connector into the Solar-Log™ RS485 socket.

Connect the inverters to each other

The inverters are connected together using the RS485 interface. Refer to the manufacturer's inverter ma-

nual for the details on how to setup the connection.

Allocate communication address

Recommendation: Continuous numbering starting with 1.

Setting: Using the inverter operating display

Procedure: Start according to the inverter's instructions

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