---
title: What are the Balluff IO-LINK data types?
description: IO-LINK communication data
---

[Skip to content](https://kb.innovatingautomation.asia/en/index/what-are-the-balluff-io-link-data-types#main-content)

English

Show submenu for translations

![Balluff_Logo.png\]](https://kb.innovatingautomation.asia/hs-fs/hubfs/Balluff_Logo.png?height=40&name=Balluff_Logo.png)

- [Default HubSpot Blog](https://blog.innovatingautomation.asia/blog)

Open main navigation

Close main navigation

- [Default HubSpot Blog](https://blog.innovatingautomation.asia/blog)
- English
  
  Show submenu for translations
- www.balluff.com

 www.balluff.com

 Hello! What can I do for you?

- There are no suggestions because the search field is empty.

1. [Help Center](https://kb.innovatingautomation.asia/en/index?hsLang=en)
2. [Basic Knowledge](https://kb.innovatingautomation.asia/en/index/basic-knowledge?hsLang=en)

# What are the Balluff IO-LINK data types?

## IO-LINK communication data

Process data:  
-High and low level in SIO state.

Or IO-LINK communication data (COM1,COM2,COM3)  
-Continuous volume data.![RFID编码块](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/RFID%20%E9%AB%98%E9%A2%91/RFID%E7%BC%96%E7%A0%81%E5%9D%97.png?width=339&name=RFID%E7%BC%96%E7%A0%81%E5%9D%97.png)  
IO-LINK data (COM1,COM2,COM3) converted (for example, sensor measurements)

The service data:  
-Parameter data.

![RFID芯片3](https://kb.innovatingautomation.asia/hs-fs/hubfs/RFID%E8%8A%AF%E7%89%873.png?width=591&name=RFID%E8%8A%AF%E7%89%873.png)

Background blanking setting value, switch point setting value; upper and lower limits, lag time, etc.

-Diagnostic data.  
Communication diagnosis, pressure loss, temperature out of range, etc.

![RFID芯片2](https://kb.innovatingautomation.asia/hs-fs/hubfs/RFID%E8%8A%AF%E7%89%872.png?width=560&name=RFID%E8%8A%AF%E7%89%872.png)

[Learn more about Balluff IO-Link products](https://www.balluff.com.cn/en/cn/productfinder/#/?cal_iolink&table_page=1)

- [Application](https://kb.innovatingautomation.asia/en/index/application?hsLang=en)
- [Basic Knowledge](https://kb.innovatingautomation.asia/en/index/basic-knowledge?hsLang=en)
- [Installation](https://kb.innovatingautomation.asia/en/index/installation?hsLang=en)
- [Sales FAQs](https://kb.innovatingautomation.asia/en/index/sales-faqs?hsLang=en)
- [Selection](https://kb.innovatingautomation.asia/en/index/selection?hsLang=en)
- [Function consultancy](https://kb.innovatingautomation.asia/en/index/function-consultancy?hsLang=en)
- [Commissioning](https://kb.innovatingautomation.asia/en/index/commissioning?hsLang=en)

- [Default HubSpot Blog](https://blog.innovatingautomation.asia/blog)

[![BALLUFF](https://kb.innovatingautomation.asia/hs-fs/hubfs/Balluff%20LOGO/Balluff_Logo.png?width=200&height=43&name=Balluff_Logo.png "BALLUFF")](http://www.balluff.com.cn)

Balluff Automation

Copyright © 2026, Balluff Automation (Shanghai) Co., Ltd.