Sungrow SunBox PVS-8M, User Manual

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4 Installation Guide User Manual
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key is locked to avoid the water is in. If such a situation occurs, Sungrow
takes no responsibility for this.
4.4 Communication address settings
Communication parameters of combiner boxes can be set and viewed on the
monitoring unit, as shown below.
Fig. 4-9 Setting and inquiry of the communication parameters
No. Description Function
A LED digitron
Used to display relevant electrical and
communication parameters of combiner box. For
particular parameter inquiry method, refer to “Table
4-1 ”.
B Dip switch
This switch adopts binary code from right to left, i.e.
bits 0-7 of binary address code. For setting method,
refer to “Table
4-2 ”.
C Protocol switch
Used to switch protocols. The first place switches
protocols:

“ON” for Modbus protocol;

“OFF” for Sungrow protocol
The second place is used to set branch connection
status.
D Push switch K1, K2
Press push switch K1 to display string or combiner
box current voltage and current on the first places
of LED digitron. For method of operation, refer to
“Table
4-1 ”.
Press push switch K2 to display combiner box