Introduction #
Solis S6 inverters can be connected to the Qilowatt system via Modbus communication. This guide explains the necessary preparations, RS485 wiring, inverter settings, and operating modes.
Prerequisites #
• Inverter and battery firmware are updated (latest version must be used)
• A Modbus module is available
• Required tools and a communication cable (CAT5 or CAT6)
• A Qilowatt account has been created and the app is ready for adding devices → Creating a user account
• A Modbus module is available
• Required tools and a communication cable (CAT5 or CAT6)
• A Qilowatt account has been created and the app is ready for adding devices → Creating a user account
Step-by-step Guide #
1. Preparation #
• Update the inverter and battery firmware before connecting.
• Ensure the device has the latest firmware, since Qilowatt always relies on the newest Modbus protocol.
• Ensure the device has the latest firmware, since Qilowatt always relies on the newest Modbus protocol.
2. RS485 connections #

Result #
Solis S6 inverter is successfully configured and connected to the Qilowatt system. The module transmits data and enables inverter control and energy optimization.
If it Doesn’t Work #
• If communication does not work, check the RS485 connections
• If the issue persists, contact our team: support@qilowatt.eu
• If the issue persists, contact our team: support@qilowatt.eu