---
title: How many magnets does Balluff's magnetostrictive sensor support?
description: Displacement sensors to detect multiple positions and speed
---

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# How many magnets does Balluff's magnetostrictive sensor support?

## Displacement sensors to detect multiple positions and speed

The BTL of bus communication supports up to 16 magnetic blocks according to the length.

 

![BTL2](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/BTL/BTL2.png?width=600&name=BTL2.png)

It is necessary to maintain a minimum spacing of 65mm  between the magnetic blocks.

At the same time, the velocity of each magnetic block can be output.

 

![磁致](https://kb.innovatingautomation.asia/hs-fs/hubfs/Knowledge%20Base/Simplified%20Chinese/Image/%E7%A3%81%E8%87%B4/%E7%A3%81%E8%87%B4.png?width=347&name=%E7%A3%81%E8%87%B4.png)

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