Connection To Pv Devices; Connection To A Single Inverter - Sungrow Logger1000B User Manual

5 Electrical Connection
Port
DRM
0V
RS485
*
ETH
WLAN
4G*
RST
Note: * Only the Logger1000A is equipped with the SIM card slot and the 4G function.
For the RS485 (A1B1~A3B3) ports, the communication distance should not
exceed 1,000m.
5.3

Connection to PV Devices

Devices in the PV system that can be connected to the Logger1000 include the inverter,
Meteo Station, Smart Energy Meter, etc.

5.3.1 Connection to a single inverter

The RS485 port of SUNGROW inverter is RS485 terminal block or RJ45 port.
5.3.1.1 RS485 terminal block connection
Communication cable specification:
Cable
RS485 communication
cable
step 1 Lead the RS485 communication cable from the inverter to the wiring area of Logger1000.
step 2 Strip the cable jacket and insulation layer with a wire stripper by about 15mm and 8mm to
10mm respectively.
20
Function
DRM (Demand
Response Modes)
function
Digital reference point
RS485 communication
port
SIM card slot
Ethernet port
WLAN antenna
4G antenna
Restart
Type
Shielded twisted pair
Description
Works together with the DI1~DI4 to
achieve the DRM function
-
Support of 3 inputs of RS485
Support of Micro-SIM card
Can be connected to background master
via devices such as Ethernet switch and
router
-
-
Press it for 3s to restart
Recommended cross-
section
0.75mm 2 ~1.5mm
User Manual
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