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Knowledge BaseCommunication Modules

Sungrow WiNet-S2

Official manufacturer GLOBAL verified Sept. 3, 2026

Identity

category communication_modules
device_type Plug-in communication module (dongle) for a single Sungrow inverter
generation S2
manufacturer Sungrow
model WiNet-S2
note Distinct product from WiNet-S: separate datasheet, lower power consumption, and a different (shorter) supported-inverter table; per the shared user manual it is the variant usable with optimizers and WiMeter.
product_family WiNet
product_name WiNet-S2
region GLOBAL

Electrical

dc_input 5 VDC, 2.1 A
power_consumption Typ. 1.3 W

Physical / mechanical

dimensions_w_h_d_mm 48 x 132 x 36
installation Plug and play
led LED x 3
weight_kg UNKNOWN

Installation

cloud_vs_local Uploads to iSolarCloud; supports local and remote parameter setting and firmware update; DHCP supported
commissioning iSolarCloud App; local WLAN connection by QR-code scan; firmware update over Wi-Fi
max_supported_devices 1
mounting Plugs into the communication port at the bottom of the inverter
topology One module per inverter - no daisy chain documented

Environment

humidity <= 95 % non-condensing
max_altitude_m 4000
operating_temperature_c -30 to 60

Interfaces & connectors

bluetooth UNKNOWN
cellular_4g UNKNOWN
ethernet 10/100 Mbps self-adaption, communication distance <= 100 m
modbus_rtu UNKNOWN
modbus_tcp UNKNOWN
register_map_availability UNKNOWN
rs485 UNKNOWN
supported_inverters SG2.0/2.5/3.0RS-S; SG3.0/3.6/4.0/5.0/6.0/8.0/9.0/10RS; SG6.0/8.0/10RT; SG50CX-P2; SH3.0/3.6/4.0/5.0/6.0RS; WiMeter
wlan 2.4 GHz, 802.11 b/g/n

Protection

ip_rating IP66

Documents

compatibility_list COMPATIBILITY LIST PUBLIC 2026 | VERSION 4.3 rev 4.3
datasheet WiNet-S2 Datasheet V1 EN rev V1
product_page WiNet-S2 product page (sungrowpower.com) rev UNKNOWN
quick_installation_guide {# Located but never retrieved: listed, but deliberately not linked, and it backs no stored value. #} WiNet-S / WiNet-S2 Quick Installation Guide — located, not retrieved rev UNKNOWN
user_manual User Manual Communication Module WiNet-S/S2 rev WiNet-S/S2-UEN-Ver12-202512

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

manufacturer_legal_entity_as_printedSungrow Power Supply Co., Ltd.

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