Sungrow 1000A - 6.3 Connection to PV Devices

6 Electrical Connection User Manual
20
Port
Function
Description
Grounding
Connecting protective grounding cable
AI/DI
Compatible with AI/DI
function
Default AI input sampling: 0-10V or
4-20mA
DI
Digital input
Digital signal input
DRM
DRM (Demand
Response Modes)
function
Works together with the DI1~DI4 to
achieve the DRM function
0V
Digital reference point
-
RS485
RS485 communication
port
Support of 3 inputs of RS485
*
SIM card slot Support of Micro-SIM card
ETH Ethernet port
Can be connected to background master
via devices such as Ethernet switch and
router
WLAN
WLAN antenna
-
4G*
4G antenna
-
RST
Restart
Press it for 3s to restart
Note: * Only the Logger1000A is equipped with the SIM card slot and the 4G
function.
For the RS485 (A
1
B
1
~A
3
B
3
) ports, the communication distance should not
exceed 1,000m.
6.3 Connection to PV Devices
Devices in the PV system that can be connected to the Logger1000 include the
inverter, Meteo Station, energy meter, etc.
6.3.1 Connection to Inverter
Connection to a single inverter
The RS485 port of SUNGROW inverter is RS485 terminal block or RJ45 port.
RS485 terminal block connection
Communication cable specification:
Cable
Type
Recommended cross-section
RS485 communication
cable
Shielded twisted pair 0.75mm
2
~1.5mm
2