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什么是编码器?

一般来说,编码器是将数据从一种形式转换为另一种形式的一种设备。

直线编码器与旋转编码器

我们根据运动类型将编码器分为两类:直线和旋转。

增量式编码器与绝对式编码器

增量式和绝对式编码器之间的差异可视作秒表和时钟之间的差异。

编码器分辨率、精度和重复精度:有何区别?

分辨率是编码器能够检测到的最小运动度量。根据编码器类型不同,测量方式也不相同。

精度是输出值与真实值之间接近程度的度量。

重复精度是在同一个实际位置取得的不同测量值之间的最大差异。

编码器术语表

在此处查找编码器技术术语的定义。

如何选择编码器

要从各种输出形式、读取类型和编码器尺寸中做出选择,如何确保针对具体应用选出最佳的编码器?

Encoder Technology - LinACE™

LinACE™是一款极为坚固耐用的绝对式圆柱形直线轴磁编码器系统,设计用于作为传感器集成到伺服机构中,提供精确的测量数据和优异的分辨率及重复精度。

Encoder Technology - SATI for use with OnAxis products

SATI stands for Stand Alone Trimming Interface. This is a stand-alone device with calibration and zeroing functions which eliminate the need for a reference encoder and works with dedicated AM4096-based encoders. SATI interface improves the encoder accuracy to +/-0.2°.

Encoder Technology - HiLin

HiLin is the best performance linear incremental magnetic encoder for use in harsh environments. The encoder system consists of a readhead and a scale. The readhead is available in incremental output format. There are three different scale options available and each of them has its advantages compared to the other.

How to choose between Nonius and AksIM technology

For Nonius technology, the magnetic code carrier consists of two magnetic encoder tracks. The outer track consists of an even number of alternately magnetized poles and is used for high-precision position determination. It is therefore referred to as the master track. The second inner track has one fewer pair of poles than the outer track and is therefore referred to as the Nonius track. This track is used to calculate an absolute position within one revolution of the pole disk. This is done by calculating the angular difference between the two tracks. Encoders with this technology must be calibrated before use. An alternative option to Nonius technology that does not require calibration is AksIM technology.