Sungrow SG125CX-P2 User Manual

User Manual 5 Electrical Connection
No. Description
PIN 4 ~ 5 N/A
PIN 6 RS485A differential signal+
PIN 7 ~ 8 N/A
table 5-6 RS485_3 terminal description
No. Description
A3 RS485A differential signal+
B3 RS485B differential signal-
NOTICE
RJ45 and terminal block are two types of RS485_1 interface with same functions and
different wiring methods.Choose one of the interfaces for wiring.
5.13.2 RS485 Communication System
Single-inverter Communication System
In case of a single inverter, communication connection requires only one RS485 communica
tion cable.
Multi-inverter Communication System
In case of multiple inverters, all the inverters in the daisy chain can be connected via RS485
cables for communication.
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Sungrow SG125CX-P2 Specifications

General

Max. DC Voltage	1100 V
Rated AC Power	125 kW
Max. DC Power	150 kW
Start-up Voltage	200 V
MPPT Voltage Range	200 V - 1000 V
Max. Short-circuit Current per MPPT	40 A
Max. AC Power	137.5 kW
Max. AC Current	198 A
Rated AC Voltage	400 V
Rated Grid Frequency	50/60 Hz
Total Harmonic Distortion	<3%
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
DC Connection Type	MC4
Protection Class	IP66
Maximum DC Input Power	150 kW
DC Inputs per MPPT	2
Cooling Method	Smart forced air cooling
Operating Temperature Range	-25°C to +60°C
Humidity Range	0 - 100%
Communication	RS485, Ethernet