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7. Several communication methods are
a) Connect WiFi to 5-pin terminal
b) Connect RS485 to 5-pin terminal
c) Connect RS485 to RJ45 terminal
Front connector
Black to pin3
Water-proof
terminal
Cable
gland
RJ45 plug
RJ45 Port
12345678
RS485 +A
RS485 -B
3
6
If several inverters need communication configuration, connect them as shown below.
Inverter 1
Inverter 2
Inverter n
SolarInfo Logger
RS485
/WiFi
RS485
RS485
/WiFi
RS485
RS485
/WiFi
RS485
5-core terminal
RJ45 terminal
5-core terminal
RJ45 terminal
5-core terminal
RJ45 terminal
SolarInfo Logger
120Ω
Pin 2
Shielding layer is
RS485-232 converter
Pin 3
grounded
RS485
A
Inverter 1
Inverter 2
Inverter n
RS485
/WiFi
RS485
RS485
/WiFi
RS485
RS485
/WiFi
RS485
5-core terminal
RJ45 terminal
5-core terminal
RJ45 terminal
5-core terminal
RJ45 terminal
WiFi
120Ω
White-green
Shielding layer is
grounded
green
B
EN-4
3
Commissioning
Only qualified personnel are allowed to adjust or configure parameters related to system protection .
RS485/WIFI
Button
Operation
Pins definition:
2
Press for less than two seconds
1 Vcc(+5V)
5
3
2 A RS485
"ESC/▼"
1
3 B RS485
4
4 GND
Press for more than two seconds
5 Null
Press for less than two seconds
Red to pin2
"ENTER/
"
Yellow-green to pin4
Press for more than two seconds
1. Before starting the inverter, make sure all installation and connections are completed and verified.
2. Close the external AC circuit breaker.
Corresponding Relationship Between
Cables and Pins:
3. Rotate the DC switch to the "ON" position.
Pin 1: White-orange;
Pin 2: Orange;
Pin 3: White-green;
Pin 4: Blue;
4. Provided that there is sufficient sunlight, the inverter begins to initialize and the LCD is activated.
Pin 5: White-blue;
Pin 6: Green;
Pin 7: White-brown;
Pin 8: Brown.
Press buttons to configure initial inverter parameters.
Pin 3 and Pin 6 are used for communication.
5. When the initial configuration is completed, inverter will enter into startup process.
- Pin 3 to RS485-B
- Pin 6 to RS485+A
1) If the inverter's commissioning succeeds, "RUN" indicator will be on and "
display "Run".
2) If inverter's commissioning fails, " FAULT " indicator will be on. "
display the type of fault. Long press ENTER to view "current fault" information. Refer to the user
manual for troubleshooting. Repeat the above procedures for inverter commissioning.
6. Perform the following operation to set the communication address for the inverter.
Default menu ( Long press ENTER ) → Menu screen ( Short press ▼×2 ) → Set-param ( Short press
RS485
ENTER ) → Enter password ( Long press ENTER, Short press ▼×3 ) →Set Com-param ( Short press
PC
ENTER to set Address or Short press ▼ then Short press ENTER to set Wireless Address ).
RS485
RS232
The range of communication address is from 1 to 247.
PC
RS232
RS232
Main screen ( Long press ENTER ) → Menu screen ( Short press ▼×2 ) → Set-param ( Short press
ENTER ) → Enter password ( Long press ENTER, Short press ▼×4 ) →PV config mode ( Short press
ENTER to set the password 111111 ) → PV config mode ( Short press ENTER or Short press ▼ then
Long press ENTER to choose PV configuration mode ) → Confirm PV configuration mode ( Long
press ENTER).
Description
Move the arrow upwards/downwards, or scroll to set value.
It is referred to as "Short press ESC/▼" hereinafter.
Return to the parent menu or cancel the command.
It is referred to as "Long press ESC/▼" hereinafter.
Move left or right or turn pages.
It is referred to as "Short press ENTER/
" hereinafter.
Enter into the sub-screen or confirm the command.
It is referred to as "Long press ENTER/
" hereinafter.
State
" in the LCD will
State
" in the LCD screen will
EN-5
▼
▼
▼
▼
▼
Refer to the user manual for detailed instructions！
The images shown here are indicative only. The actual product may differ.
SG3_4_4.6_5KTL-M-QIEN-Ver15-201310 Version1.5
Specifications are subject to changes without advance notice.
EN-6
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