---
title: What are the Balluff IO-Link slave devices?
description: Balluff IO-LINK slave device classifications
---

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# What are the Balluff IO-Link slave devices?

## Balluff IO-LINK slave device classifications

1. **IO-LINK sensor/ actuator hub**

- Metal and plastic case
- Strong case
- High performance input and output terminals
- Extended temperature range
- Various models: M8 or M12 interface, 3 - core, 4 - core and analog specifications, with 8 or 16 standard input terminal
- Protection class IP67
- Equipped with IP20 sensor/actuator hub which can be installed in control cabinet with spiral terminal

![IO-LINK方案1](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/RFID%20%E9%AB%98%E9%A2%91/IO-LINK%E6%96%B9%E6%A1%881.png?width=542&name=IO-LINK%E6%96%B9%E6%A1%881.png)

**2. IO-LINK valve island interface**

- Plug directly on the valve island
- Compact adapter housing to minimize space consumption
- Compatible with different valve island stitch arrangement
- The wiring is optimized to control up to 24 solenoid coils by connecting the control interface with a standard 3-core / 4-core sensor cable![IO-LINK方案4](https://kb.innovatingautomation.asia/hs-fs/hubfs/IO-LINK%E6%96%B9%E6%A1%884.png?width=688&name=IO-LINK%E6%96%B9%E6%A1%884.png)

**3. Universal type IO-LINK interface**

- Equipped with a compact adapter housing, it can connect different devices directly through the IO-LINK for common use and is not affected by the field bus
- The control interface is connected by a common sensor cable
- Models with 8 or 16 input/output signals are available
- Avoid complex multiple wiring processes
- Adopt simple wiring scheme, save space, time and money![bcm-advantage-3-cn](https://kb.innovatingautomation.asia/hs-fs/hubfs/2020%20Jul_BCM%20Campaign/bcm-advantage-3-cn.jpg?width=688&name=bcm-advantage-3-cn.jpg)

[Learn more about Balluff IO-Link slave devices](https://www.balluff.com.cn/en/cn/productfinder/#/ca/A0009/cg/G0903)

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