Encoders are devices that change or convert the signal from one form to another form. Encoders are an essential component in many industrial and domestic electronic equipment. Encoders are useful for various types of applications such as expediting the production process, quality control, testing of various products, product counting and batch processing.

Depending on the process requirement, encoders are available in various types. Encoders come in various types such as industrial encoders, absolute encoders and incremental encoders. You can also classify encoders as linear, optical, shaft and rotary encoders.

Some important parameters you must consider before you select encoders are

1. The type and quantity of readings you require from the encoders
2. The sensitivity and precision of the readings of the encoders
3. Operating conditions for the encoders
4. Expected useful life of the encoders
5. Required quantity of encoders in an automation system

Action Steps
The best contacts and resources to help you get it done

Buy encoders from reliable encoder manufacturers

Once you understand your requirements for encoders, check out the encoders available in the market.

I recommend: US Digital, a reputable encoder manufacturer, offers various encoders such as linear encoders, rotary encoders, incremental encoders and absolute encoders. You can buy enclosed linear encoders, open linear encoders and rotary encoders at RSF Electronics Inc, a manufacturer of electronic linear and rotary encoders and accessories. If you are looking for an optical encoder or a magnetic encoder, check out the products offered by FRABA, a manufacturer rotary encoders.

Buy encoders from reliable encoder distributors

You can compare different encoders based on the features and prices at distributors or retailers' websites.

I recommend: You can buy a shaft encoder or a hollow shaft encoder type incremental encoders at AutomationDirect.com, a distributor of rotary encoders. You can buy industrial encoders at Oracle Encoder Service, a distributor that sells, repairs and rebuilds encoders. Merrimac Industrial Sales is a distributor that offers different types of industrial encoders and position sensors.

Customize the encoders from reliable custom encoder manufacturers

If your requirements are not met by standard encoders, you can ask the reputable encoder manufacturers to provide specialty or customized encoders to suit your application.

I recommend: Gurley Precision Instruments is a manufacturer that supplies rotary incremental encoders, rotary absolute encoders, rotary virtual absolute encoders, linear incremental encoders and linear absolute encoders as per the customers’ requirements. You can customize your encoders at RENCO a reputable manufacturer that supplies different types of encoders. 509 Technologies is another manufacturer of customized encoders.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  Consult an automation process consultant for effective and optimum use of the encoders.