
Connecting the inverters
REFUSOL
Solar-Log
1000/500/200
Installation 51 of 268
Older Solar-Log™/Refusol installations: Set compatibility
With earlier Solar-Log™/Refusol installations the inverter had to be set with
additional parameters for Solar-Log™ compatibility. This is only still necessary
if an inverter has been replaced because it was faulty or if the system is ex-
tended. In these cases the new inverters must also be provided with the ad-
vanced parameters again.
The advanced parameters are only available starting from inverter firmware
version 800.2.20 or higher. The firmware version can be checked on the in-
verter menu:
“F1” / Numerical list / Parameters 1.1 - 1.3
Current firmware versions and instructions for importing them can be found at
www.refu-elektronik.de.
Set the following parameters on the inverter's operating display:
1 Press “F1”.
2 Select Numerical list, press “ENTER”.
3 Set parameter number 0407, press “ENTER”.
4 Select subparameter 0407,3, press “ENTER”.
5 Enter “2” [Communication type RS485: Solarlog], press “ENTER”.
6 Set parameter number 0420, press “ENTER”.
7 Select subparameter 0420,3, press “ENTER”.
8 Enter number 9600 press “ENTER”.
9 Using the installed DC isolating switch turn the inverters on and off briefly
so that the settings are activated.
Allocating communication address
Recommendation: Continuous numbering starting with 1.
Setting: Using the inverter operating display
Procedure: As set out in the inverter's instructions
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