User Manual
4 Installation Guide
27
A
B
C
D
K1 K2
No.
Description
Function
A
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 the branch
connection status.
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 “Tab
4-2
”.
C
LED
Used
to
display
relevant
electrical
and
communication
parameters
of
PVS.
For
particular parameter inquiry method, refer to “Tab
4-1
”.
D
Key switch K1, K2
Press the key switch K1 to display string or the
PVS present voltage and current by the first two
digits of the LED. For method of operation, refer
to “Tab
4-1
”.
Press the key switch K2 to display the PVS
communication address, baud rate, and internal
temperature on the LED. For method of
operation, refer to “Tab
4-1
”.
