Sin/Cos rotary encoder

All
All
All
Solid shaft:
Hollow shaft:
All
All
All
Incremental:
Singleturn:
Multiturn:
All

Interested in our rotary encoders, but still have change requests? We are happy to modify it for you so that it fits perfectly.

Learn more

  • Tel.: +49 / 7424 - 89 - 0
We will be pleased to help you.

  • Hengstler GmbH
    Uhlandstr. 49
    78554 Aldingen
  • Tel. +49 / 7424 - 89 -286
  • Support request

Accurate sinewave rotary encoders by HENGSTLER are a preferred choice in drives with high dynamics thanks to their low harmonic distortion. They have excellent immunity to interference and high functional dependability due to control and system monitoring. The broad working temperature range means the motor can be used to capacity more effectively.

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Rotary_encoder/Sin/Cos_rotary_encoder/S21 Sinus
Diameter
53 mm
Resolution
Number of Pulses: 1024 ... 2048
Solid- / Hollow Shaft
Hollow 8 ... 12,7 mm, Solid 10 mm
Protection case
IP40
Interface
SinCos 1Vss
Approval
UL, CE
Features
Broad bandwidth of 500 KHz at full signal quality
Excellent immunity to interference
error compensation
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Frequently asked questions

A rotary encoder, often referred to as simply a shaft encoder, is an electro-mechanical device that converts angular positioning into output signals. Rotary encoders can be broadly segmented by their feedback type as incremental or absolute.
Rotary encoders translate the mechanical rotational motion of an object such as a motor shaft into an electronic signal. Optical rotary encoders measure rotation by shining a LED light through a disc with markings onto an optical sensor to detect motion. Magnetic rotary encoders use a similar principle but measure motion as a magnetized wheel turns and is detected by a magnetic sensor. 
Incremental rotary encoders output a stream of ubiquitous pulses over 360 degrees of rotation, hence the term pulses per revolution of PPR. Incremental rotary encoders can have one channel output (A), two channel output (AB, known as quadrature) as well as an optional index channel (Z).

Absolute rotary encoders output a unique digital word or bit for each position over 360 degrees of rotation. This digital word must be communicated in the same language as the controlling system with options including parallel, serial, field bus and ethernet based communication protocols.

Rotary encoders should be used in any application that requires precision motion control. While a power can be supplied to a motor to make it turn, to control exactly how fast it actually turns  requires real time feedback so that the controlling device can increase or decrease power to achieve a consistent motor speed or shaft position. Rotary encoders are therefore indispensable in precision motion control applications including servo motor feedback, robotics, factory automation and more.
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