Sungrow SG50CX User Manual

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During installation, firmly press the junction box to ensure that the pin can be in-
serted successfully.
Never hit the pin with a heavy object, such a hammer. Otherwise, it will be irrecov-
erably damaged.
5.9 Communication Wiring Board
The communication board of the inverter includes two layers. The upper layer communica-
tion board mainly includes RS485 communication interfaces while the lower layer communi-
cation board mainly includes DI/DO interface and DRM interface.
5.10 RS485 Connection
5.10.1 Interface Description
As shown in the Figure below, the inverter is equipped with three RS485 communication in-
terfaces and one dip switch.
All three interfaces can be connected to a data acquisition device (Data Logger), to achieve
data exchange with PC or other monitoring devices.
User Manual 5 Electrical Connection

Sungrow SG50CX Specifications

General

Max. DC Voltage	1100 V
MPPT Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated AC Output Power	50 kW
Max. AC Output Current	76 A
Frequency	50 Hz / 60 Hz
Efficiency	98.6%
Start Voltage	200 V
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	55 kVA
AC Voltage Range	310 V - 480 V
Power Factor at Rated Power	1
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
THDi	< 3%
DC Switch	Yes
AC Surge Protection	Type II
DC Surge Protection	Type II
Protection Class	I
Cooling Method	Smart forced air cooling
Protection Degree	IP66
Protection Level	IP66
Operating Temperature Range	-25°C to +60°C
Humidity	0-100%
AC Output Voltage	3 / N / PE, 220 V / 380 V, 230 V / 400 V