Heidenhain: Linear Encoders for Safety

June 7, 2013
The absolute LC 195S and LC 495S sealed linear encoders are for use on machines that need to be certified for functional safety.

The dual sealing lips on the LC 195S provide an extra layer of protection against contamination, and their extrusions ensure high vibration resistance, improving reliability and accuracy. Improving on the company’s LC xx3 series, the new encoders focus on the requirements for purely serial absolute systems for Siemens Sinamics drive components. The functional-safety (FS) encoder versions are available for the EnDat 2.2 interface and now Drive-CLiQ interface, which means that these encoders can be used as single-encoder systems in safety-related applications, such as in axes with a linear motor. In addition to safe processing of the position values, these encoders provide fault exclusions for the loosening of the mechanical coupling for various types of mounting.

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