Solare Datensysteme Solar-Log - 91 Solutronic; 91.1 Solutronic SP25-55 (RS485)

342
Solutronic
91 Solutronic
91.1 SolutronicSP25-55(RS485)
Termination Addressing Interface
Yes Yes RS485
Note
The same protocol must be selected on both devices In order to ensure correct communication bet-
ween the Solar-Log™ and the inverters.
Protocol selection for device detection:
•
Solutronic: Protocol 1
•
Solutronic: Protocol 9
Overview
•
Integrated interface
•
Where to connect: Terminal strip on the outside of the inverter
•
3-pin wiring
•
Communication address must be allocated
•
All inverters must be fitted with firmware version 1.2.39 or later
•
Inverters must be grounded otherwise this could lead to problems with inverter detection
•
Installation steps
• Switch off the inverters and Solar-Log™
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
• Allocate communication address
Connect inverters to the Solar-Log™
The wiring is done using a
•
ready-made data cable (optional extra; not supplied)
or
•
self-made, shielded 3 wire data cable and terminal block connector.