Installation manual

102
GTec
GTec
33 GTe c
33�1 GTec
Easy Installation Termination Addressing Sensors RS485 Meters RS485 Interface
No Yes No
No No RS422
Overview
•
Interface not integrated; Retrofit RS485 interface card.
•
Multi-string technology
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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
instructions.
Note
Only connect inverter using the RS485/422B/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.