
Connecting the inverters
Solutronic SP25-55 (RS485)
44 of 268 Solar-Log
1000/500/200
Installation
Allocating communication address
Recommendation: Continuous numbering starting with 1.
Setting:
Units without transformers: using the DIP switch inside the inverter
Units with transformers: using the inverter operating display.
Procedure: As set out in the inverter's instructions
4.14 Solutronic SP25-55 (RS485)
Overview
Interface integrated
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 earthed otherwise this could lead to problems with
inverter detection.
Work steps
• Switch off the inverters and the SolarLog™; Page 17
• Connect inverters to the Solar-Log™
• Connect the inverters to each other
• Allocate communication address
Connecting inverters to the Solar-Log™
The wiring is done using the
ready-made data cable (optional extra; not supplied)
or
self-made, shielded 3 wire data cable and terminal block connector
( Page 15).
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