Solare Datensysteme Solar-Log - Manual (Page 148)

148
Lufft - Pyranometer
Lufft - Pyranometer
48 Lufft - Pyranometer
48�1 Lufft - 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.