Soalr VFD Settings!

Table of Contents

• Background
• Hardware
• Wiring
• Software
• Steps
• Additional Resources

Background

This is a short documentation on how to connect Invt Solar VFD using a laptop via Serial Bus.`

Most VFDs come with 6-button HMI that can be used to inspect/set the required settings. With over 100 parameters to be set, this HMI becomes impractical and make the process very tedious. The Serial Bus connection enables technichians to import/export and adjust all the settings in a human-readble CSV file.

Hardware

To proceed you will need the follwoing Hardware:

1. INVT VFD.
2. A Laptop with Windows Operating System - INVT Studio is only available for Windows at the moment-.
3. USB to RS485 Converter.

Wiring

In most VFDs the ports for serial communication are marked as RS485+ and RS485-. Your connection should look like the below diagram.

Software

1. USB to RS485 Converter Driver. This a nesccary driver to recognize the converter.
2. Invt Studio used to communicate with your invt device.

Steps:

1. Install USB to RS485 Converter Driver.
2. Install Invt Studio.
3. Restart your Laptop.
4. Open Invt Studio and have fun.

Additional Resources: