44 Mastervolt
44�1 Mastervolt (RS485)
Easy Installation
Termination
Yes
Overview
•
Integrated interface
•
Where to connect: RJ45 plug outside the housing floor.
•
2-pin wiring
•
Communication address does not have to be assigned
•
Multi-string technology
Mastervolt inverters are fitted with 1 or 2 MPP trackers depending on the model. Each string input is
monitored separately and ideally adjusted to the connected modules. Some inverters are also divided
internally into 2 or even 3 individual inverters. For example, the QS6400 is recognized as 2 inverters
each with 2 strings, an XL 15 as 3 independent XL5000s.
The Solar-Log™ automatically detects how many inverters and strings are active during inverter de-
tection.
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
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
Connect inverters to the Solar-Log™
The wiring is done using a
•
ready-made Mastervolt data cable (optional extra; not supplied)
or
•
self-made cable connection with RJ45 data cable and terminal block connector.
Caution
Risk of damage to the unit!
The Solar-Log™ also has an RJ45 socket, which must never be connected to the RJ45
socket on the inverter.
►
Only connect inverters via the RS485/422 Solar-Log™ interface(s).
Addressing
Yes
Yes
Configuration/Basis/Inverters
Sensors RS485
Meters RS485
Yes
dialog box.
Mastervolt (RS485)
Interface
Yes
RS485
Mastervolt
135
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