Solare Datensysteme Solar-Log - Manual (Page 120)

120
GTec
GTec
38 GTec
38�1 GTec
Easy Installation Termination Addressing Interface
No Yes No RS422
Overview
•
Interface not integrated; Retrofit RS485 interface card.
•
Multi-string technology
•
4-pin wiring
•
Communication address does not have to be assigned
Note:
The order in which the inverters are displayed in the Solar-Log™ after detection is random.
We strongly recommend that you change the order of the inverters immediately after de-
tection at startup, in the
Configuration/Basis/Inverters dialog box.
The inverters can be identified using the displayed serial number.
•
Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
Installing the RS485 interface
Procedure
Insert the RS485 interface in the bottom of the inverter according to the interface card installation instruc-
tions.
Note
Only connect inverter using the RS485/422 B /C interface.
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.