What Should You Know About Absolute Shaft Encoders?

Absolute encoders are nowadays preferred in numerous applications because of their precise rotation settings.

In case of some problems with electricity supply, the absolute encoder does not lose its registered initial place and settings.

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Absolute shaft encoders have distinctive positioning and can prolong the operational circle as soon as the power is turned on.

An absolute encoder can be multi-turn or single-turn. The single-turn option is suited for the short travel applications since position verification is necessary with a single encoder shaft turn. The multi-turn encoder is better for the application that requires lengthy positioning requirements that are very complex.

Why Are Absolute Shaft Encoders Preferred?

The absolute rotary encoder has its primary purpose in implementing a specific sensing principle.

Generally, such encoder will be more complex and is used in the systems that are much more detailed.

The main advantages that have to be mentioned when talking about absolute rotary encoders are: the position of an encoder is saved, so in case of the power outage, it will still in the memory of the application can the rotation will be implemented in the same way as was programmed.

Various interface options are now available, including Ethernet and analogue.

Absolute encoders typically include different advantageous functions like presets, scaling and speed.

Both multi-turn and single-turn options are available.

Application Of Absolute Encoders

The absolute encoders are preferred in some specific situations. Based on the technical demands, provided by the customer’s experts, producers, like Rozum, manufacture the unique mechanisms following the provided technical specifications.

Robotics and its components is a rapidly expanding area that is covering numerous

sectors.

  • As an example, in manufacturing, we often see some robotic arms that are utilized for paint spraying, welding, assembly and countless other tasks.
  • Robotics are also ubiquitous in healthcare. There are remote surgeries that are implemented with the help of robotic arms.
  • Even home-assistance robots are a situation in which the absolute encoders are necessary.

The number of systems that are now going digital is quickly growing. We also have a lower gap that is seen between the absolute and incremental encoders. This is why the number of applications in which absolute encoders can be used is multiplying. This ranges from camera gimbals and automated property gates to factory robotic automation. Nowadays, they become part of different robotic actuators as well.

Conclusions

Absolute encoders are mandatory to be used in various modern engineering projects because

of the advantages they offer over other available options.

Their prices are relatively high, especially in comparison to simple non-industrial models, but the reliability, efficiency and lifetime value is evident. Experts expect to see an increased use of these encoders in the following year.

 

Author: Dustin Padilla

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