Sunways ST 1000 User manual

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
datalogger are offline
Communication
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
STS 1-11KTL

2.3 Meter Wiring
L1
N
Meter Grid
Ua L1
Ub /
Uc /
N N
Phase Meter & CT Direction
L1 Ia* -S1
Ia-S2
P1: House (Load)
P2: Grid
L2 / /
L3 / /
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.