6 Electrical Connection User Manual
22
Connecting protective grounding cable
AI/DI
Compatible with AI/DI
function
Default AI input sampling: 0-10V or
4-20mA
Max. withstand voltage: 24V
DRM
Response Modes)
Works together with the DI1~DI4 to
achieve the DRM function
RS485
Support of 3 inputs of RS485
ETH Ethernet port
Can be connected to background master
via devices such as Ethernet switch and
1
1
3
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 includes 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
communication
twisted pair 1mm
2
~2mm
2
12mm
Cable connection procedure:
Step 1 Lead the RS485 communication cable from the inverter to the wiring area of
Logger1000.