The Solis S5 Wi-Fi Data Logger 4 Pin is a compact and practical monitoring accessory designed to connect compatible Solis inverters to the SolisCloud monitoring platform. Installed directly via the inverter’s external 4-pin communication port, this data logger enables stable wireless communication for remote plant supervision, system status tracking, and easier fault diagnosis. It is a smart solution for users who want clear visibility of system performance without complicated installation.

With support for 2.4GHz and 5GHz Wi-Fi routers, Bluetooth nearby connection, and APP or WEB-based configuration, the S5-WiFi-ST-4Pin is designed for fast commissioning and convenient local setup. The logger also features LED status indicators for power, inverter communication, and internet connection, helping installers and users quickly verify correct operation.

For larger installations, the device supports monitoring of up to 10 Solis inverters when the inverters are connected in an RS485 hand-in-hand communication chain. With a 5-minute data collection interval, IP65 protection, low power consumption, and a wide operating temperature range, it is suitable for reliable long-term use in demanding environments.

Key features

• Designed for compatible Solis inverters with external 4-pin COM port

• Direct connection to SolisCloud for remote monitoring and plant management

• Supports up to 10 inverters in one monitoring chain via RS485

• Dual-band router support: 2.4GHz and 5GHz

• Bluetooth support for nearby setup and debugging

• Plug and play installation with twist-lock connection

• 3 LED indicators for clear operating status

• APP / WEB configuration for convenient commissioning

• IP65 protection rating for dependable operation

• Low power consumption of ≤ 2W

Technical highlights

• Model: S5-WiFi-ST-4Pin

• Supported device type: Solis inverter

• Communication interface: External 4-Pin Port

• Wireless communication: 802.11b/g/n (2.4G) and 802.11a/n (5G)

• Near-end communication: BLE5.0

• Data collection interval: 5 minutes

• Operating voltage: DC 5V (±5%)

• Operating temperature: -30°C to +65°C

• Protection degree: IP65

• Dimensions: 128 × 50 × 34 mm

• Weight: 80 g

• Certifications: CE, FCC

Important compatibility note
This version is the 4 Pin model and is intended for Solis inverters equipped with a matching 4-pin communication port. It is not the USB version, so compatibility should always be checked against the inverter connection type before ordering.