Solare-datensysteme Solar-Log Uživatelský manuál stáhnout pdf (Strana 148)

148

Lufft - Pyranometer

48 Lut - Pyranometer

48�1 Lut - Pyranometer

Easy Installation Termination Addressing Interface

No - No*

RS485

Selections available under Lufft

Overview

•

Integrated interface.

•

Where to connect: Round socket on the bottom.

•

Communication address does not have to be assigned.*

•

4-pin wiring

•

Installation steps

• Switch off the pyranometer and the Solar-Log™.

• Connect the pyranometer to the Solar-Log™.

Connect the pyranometer to the Solar-Log 1000, 1200 or 2000�

The wiring is done using a

•

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

Procedure

1. If you are making the cable yourself, connect the wires as shown in the following diagram:

Solar-Log™ terminal strip connector X4 socket RS485-1 pyranometer

Terminal PIN

► 1 ► RS485 A (green)

► 2 ► Positive voltage supply (brown)

► 3 ► Ground (GND) (white)

► 4 ► RS485 B (yellow)

*Allocate communication address:

The communication address is set to 1 by default. If several pyranometers are connected on a single bus,

the address has to be adjusted. This requires a tool from the company Lufft. It can be downloaded from

the Lufft website.

Termination:

Please contact Lufft for information on termination.

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Solare-datensysteme Solar-Log Uživatelský manuál Strana 148