4 Installation Guide
User Manual
16
4.4 Electrical installation
4.4.1 Internal structure
The internal structure of the PVS is shown below
A
B
CD
E F
M L K J
I
H
G
No.
Description
A
DC- fuse cartridge
B
DC+ fuse cartridge
C
RS485 ports
D
Grounding terminal
E
Output of DC positive pole
F
Output of DC negative pole
G
DC switch
H
Switching power supply board and over current protection board
I
SPD
J
Push switch (switch between current and communication parameter)
K
LED display (can display current, baud rate and communication address)
L
Dip switch (setting communication address)
M
Setting switch (to set the communication protocol and the actual input
numbers)
