Veichi SI30 series, Руководство пользователя, Страница: 8 / 32

SI30 Solar Pump Inverter Manual
8
2.4 Solar Controller Wiring
● Standard Wiring
Note:the function described in brackets is the factory default
setting
V
W
U
M
~
Shielded cable or amoured cable
(grounding nearby inverter)
E
(Earthing resistance is less than 10Ω)
W
V
U
Output
Filter
+10V
Frequency
control input
R/L
T/N
S
AC
Power
Input
AI1
AI2
Twisted-pair shielding cable (grounding nearby by inverter)
Multi-function
input
terminals
(water fulfilled detection reset)
(water fulfilled detection alarm)
(reversal running)
(forward running)
COM
X3
X4
X1
X2
Solar Pump Inverter
2.AI1/AI2 internal resistance:75KΩ
1.+10V maximum output:50mA
Note
：
2. stands for control circuit terminals.
stands fo main ciruit terminalsr
.
Note
：
1.
Contactor Breaker
(
0~10V)/
(
4~20mA)
+24V
A+
B-
RS485 differential
communication
120Ω
Voltage/current analog input
(
0~10V)/(4~20mA)
Voltage/current analog input
GND
P
N
DC
Power
Input
( )
+
(-)
AC/DC
Module
P1
N1
COM
+24V
Maximum output of 24V auxiliary
power is 100mA
●
Control loop terminal instructions
Terminal Function definition Description
+10V 10V auxiliary power supply output, constitutes loop with GND. MAX output 50mA
+24V 24V auxiliary power supply output, constitutes loop with COM. MAX output 100mA
COM 24V power reference ground MAX output 24VDC/100mA
A+ RS485 communications
+
B- RS485 communications
-
AI1 analog input 1 Voltage, current type optional
AI2
analog input 2
Voltage, current type optional
GND
analog signal
ground
X1 Forward running input, and constitutes loop with COM
X2 Reverse running input, and constitutes loop with COM
X3 Full water detection alarm, and constitutes loop with COM
X4 Full water detection reset, and constitutes loop with COM
RJ45 External keyboard connection terminal