Sungrow SG125CX-P2 User Manual

User Manual 5 Electrical Connection
5.12 Communication Wiring Board
The inverter communication board consists of two layers,RS485 communication interface on
the upper layer, and DI/DO interface on the lower layer.
table 5-3 Port description
No. Silk Screen Description
1 RS485_3 Used to connect the external meter
*
2 RS485_1
Used to connect the external COM100E to realize da
ta interaction with host computer or other monitoring
devices
Used for multiple inverters in the daisy chain to com
municate
3 RSD STOP Reserved
4 LOCAL STOP Emergency stop
69

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