Sunways ST 1000 is a versatile and feature-rich device that can help you optimize your energy consumption, monitor your solar power system, and stay connected to your home's energy data. With its intuitive interface and powerful capabilities, the ST 1000 is the perfect tool for homeowners who want to take control of their energy usage.
Here are just a few of the things that the ST 1000 can do:
- Monitor your solar power system's performance in real time, including PV voltage and current, grid voltage and current, and grid frequency.
- Track your energy consumption and identify areas where you can save money.
Sunways Datalogger ST 1000
Installation Guide
Energy Connects All
01 Product Introduction
02 Installation Wiring
03 RS485 Address Setting
04 Configure Datalogger
05 Communication Configuration
CONTENTS
1. Product Introduction
Indicator description
Indicator Status Description
operation Always on Normal
Off No power
Alarm Off Normal
Always on Data logger has fault
Connection Always on All PV inverters connected to the
datalogger are online
Flash
One or more PV inverters connected to the
Always on Communication with server is normal
Slow flash Datalogger is not connected tot the router
or not connected to the base station.
Quick flash Datalogger is connected to the router or
connected to the base station but not
connected to the server.
1. Product Introduction
WIFI Antenna
12V DC Input
Power Port Lan port
Three RS485
communication ports
(30 units can be connected
to each port)
Meter connection port
2.1 Datalogger Wiring
Meter Datalogger
21 4A
22 4B
AC 220/230V
Cable Specification：
two core, twisted pair,
2x1.5mm², shielding,
pure copper RS485
signal wire.
Port 1 Port 1
Connection in daisy chain
2.2 Inverter Wiring
Port 2Port 1
Port
3
1
2
3
4
5
6
1
2
3
1
2
3
Datalogger RS485 A
Datalogger RS485 B
Datalogger RS485 A
Datalogger RS485 B
STT 4-25KTL STT 50-125KTL
Port 1 Port 2
2.3 Meter Wiring
L1
L2
L3
N
Meter Grid
Ua L1
Ub L2
Uc L3
N N
Phase Meter & CT Direction
L1 Ia* -S1
Ia-S2
P1: House (Load)
P2: Grid
L2 Ib* -S1
Ib-S2
P1: House (Load)
P2: Grid
L3 Ic* -S1
Ic-S2
P1: House (Load)
P2: Grid
Cable
Specification：
1mm² pure
copper cable Cable Specification：
twisted pair, 2x2.5mm²,
shielding, pure copper wire.
3.1 Inverter RS485 Address Setting
Set the address starting from 1, the recommended maximum value is set to 90.
The default Modbus address is 247.
The set value can’t be repeated.
Main Window
PV Voltage
PV Current
Grid Voltage
Grid Current
Grid Freq
E-Day E-Total H-Total Model
Name
General
Settings
System Info
Waiting Checking Normal Fault Info
Short press(1s),switch window
Long press(3s),enter the lower Menu
Modbus
Addr
Setting
3.2 Meter RS485 Address Checking
①Follow step 1 to check if the RS485 address setting is
correct. The correct address is 003.
②If not, please follow step 2 and change it.
Note:
After confirming the Bus 1 address, don’t change other
parameters, otherwise it will affect the meter accuracy.
Total active
power Ua/Ub/Uc Ia/Ib/Ic Frequency Addr 003
PASS 0001 BUS1
003AddrBUS1Srueno
Yes
0000 Addr
Step 1
Step 2
4 Configure Datalogger
Router
Sunways
server
Fixed IP 10.10.100.254
Step 1: connect the inverter to the datalogger through a ethernet cable.
4 Configure Datalogger
1. Open network & internet settings.
2. Click ‘Ethernet’ in the network & internet list.
3. Double click ethernet icon.
4. Find IP settings and click ‘Edit’.
Step 2: Change computer network adapter settings.
4 Configure Datalogger
5. Choose ‘Manual’ on the Edit IP setting page
and open IPv4 edit button.
6. Finally, enter the information as shown.
4 Configure Datalogger
1. Open the browser, enter URL 10.10.100.254
2. Fill in the account ‘admin’ and the default password ‘admin12’.
4 Configure Datalogger
All datalogger information is shown on overview page.
4 Configure Datalogger
3. Set the CT ratio, if the
nameplate on the CT marked
200/5A, the ratio is 40.
2. Select the total number of
inverters connected to the
datalogger
1. Enable the Export limit and fill
in the Export power value. If fill
in the value 0 means zero export.
4. Set the COM4 port according
to your needs, if nothing is
connected, don’t need to set.
5 Configure Datalogger
a) Search for the WIFI name “ WIFI-AP********”, which released by the datalogger and connect to the hotspot.
b) Open the URL 10.10.100.254, and input username and password “admin”.
c) Click “STA Setting”, then click “Scan”, you can find the router WIFI signal.
(Note: Only support 2.412GHZ-2.484GHZ router)
a) Finally, input the password in the blank and click “Save”. If the WIFI connection is successful, the indicator on the datalogger will be always on.
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