String encoder acts as position transducer

July 11, 2002
High-resolution string encoders give engineers a compact, flexible alternative to LVDTs, optical and rotary encoders, and potentiometers.

An encoder from Space Age Controls, Palmdale, Calif., for example, measures 3.233.233 in., weighs less than 10 oz, and is available with NEMA-4X/IP66 environmental protection. The transducer measures up to 43 in. using a stainless-steel cable that wraps around a threaded aluminum drum. The drum mates to a precision incremental encoder that translates linear position into a digital electrical signal. The devices feature line driver quadrature output with index lines and standard resolutions up to 3,587 pulses/in. (141 pulses/mm). The devices work on 5 to 26 Vdc, in temperatures ranging from -20 to 100C, and for over 100 million cycles.

Sponsored Recommendations

The entire spectrum of drive technology

June 5, 2024
Read exciting stories about all aspects of maxon drive technology in our magazine.


May 15, 2024
Production equipment is expensive and needs to be protected against input abnormalities such as voltage, current, frequency, and phase to stay online and in operation for the ...

Solenoid Valve Mechanics: Understanding Force Balance Equations

May 13, 2024
When evaluating a solenoid valve for a particular application, it is important to ensure that the valve can both remain in state and transition between its de-energized and fully...

Solenoid Valve Basics: What They Are, What They Do, and How They Work

May 13, 2024
A solenoid valve is an electromechanical device used to control the flow of a liquid or gas. It is comprised of two features: a solenoid and a valve. The solenoid is an electric...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!