> For the complete documentation index, see [llms.txt](https://inacks.gitbook.io/is4310-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inacks.gitbook.io/is4310-wiki/readme.md).

# Welcome to the Inacks IS4310 Modbus Chip Wiki

## IS4310 is an I2C Modbus RTU Slave Chip with 500 Holding Registers

Welcome to the **IS4310 INACKS Wiki**. Here you have the online version of the datasheets and examples. For full detailed information, please download the datasheet:

{% file src="/files/9rcvMUytDoE7QHa6BLi7" %}
IS4310 Datasheet Revision C 
{% endfile %}

## Buy Now

Visit our product page to place your order:\
<https://www.inacks.com/is4310>

## Product Description

The **IS4310** is a chip that integrates a Modbus RTU Slave stack. It features an internal memory of 500 Holding Register. These registers can be accessed for reading and writing both by a microcontroller (via I2C) and by the Modbus Master device (such as PLC, computer, etc.).

<figure><img src="https://3728520580-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FsqF9AC2WATFaFsPXv5oP%2Fuploads%2FFb60XX85UAlHCdzZeCu1%2FIS4310%20Flyer.png?alt=media&amp;token=64a9c37a-f49f-42ef-8109-c35d9a72ac7d" alt=""><figcaption><p>IS4310 Flyer</p></figcaption></figure>