Standard Connection Diagram - Veichi SI23-D1 series Manual

2.2 Solar Pump Controller Wiring
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Standard Connection Diagram

MCCB Contactor
R
S
T
Note:Function description in brackets is
factory default
(Forward)
(Reverse)
(Water full detection alarm)
(Water full detection reset)
(Free STOP)
RS485 Differential
Communication
Shielded cable (the end close to
VFD grounding)
Analog Voltage/Current quantity input
Analog Voltage/Current quantity input
Note: 1.MAX Output of +10V port :50mA
2.Inner resistance of AI1/AI2 Port
Note: When connect solar panel, both AC input (R, T) and DC input (+, -) is okay, AC input is prefer.
Auxiliary Terminal Output Capacity
●
Terminal
+10V 10V auxiliary power supply output, constitutes loop with GND.
A0 Analog monitor output, constitutes loop with GND.
+24V 24V auxiliary power supply output, constitutes loop with COM.
Collector open circuit output; can set the action-object by program.
Y
TA/TB/TC Passive connector output; can set the action-object by program.
Function Specification of Switch Terminals
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Switch Terminal
DC POWER
INPUT
Input Rector
(-) ( )
+
R
S
T
Note2
+24V
PLC
COM
X1
X2
X3
X4
X5
PUL
COM
A+
120Ω
B-
+10V
AI1
AI2
GND
Function Definition
Selecting Position
RS485 Terminal Resistor
AO-F Output- frequency
AO-I Output- Current
AO-U Output- Voltage
AI1 Input- Current/Voltage
AI2 Input- Current/Voltage
SI23 Solar Pump Inverter Manual
Output Rector
( ) PB ( ) P1
+ +
U
V
W
VFD
E
AC220V
TA
Coil
TB
TC
+24V
Y
COM
Note:
1.MAX Output of +24V Port:DC24V/100mA
2.Max Output of Y Port :DC24V/50mA
A0
+
-
GND
Note:When output type of AO port as
frequency and Voltage,
Maximum Output:2mA
Legend: 1.Symbol
2.Symbol
Function Specification
RS485 Communication :connect with 120Ω terminal resistor
0～100kHz frequency output
0～20mA current output or 4～20mA current output
0～10V voltage output
AI1: Input 0～20mA or 0～10V
AI2: Input 0～20mA or 0～10V
8
U
V
M
~
W
Shielded cable or armoured cable
(the end close to VFD grounding)
(The grounding resistance
is less than 10 ohms)
MAX Output Of Contact:
3A/240VAC
5A/30VDC
AC0V
Shielded cable
Coil
(the end close
to VFD grounding)
10
_
mA
-
+
Shielded cable (the
end close to VFD
grounding)
represent main circuit terminals;
represent control circuit terminals.
Max Output
50mA
Max output 2mA as frequency,
voltage signal
100mA
DC24V/50mA
3A/240VAC