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Heidenhain LS 487 Linear Encoder

Heidenhain LS 487 Linear Encoders feature long measuring lengths, high ruggedness, and superb vibration tolerance, allowing them to thrive in harsh environments. An efficient seal design with double lips provides optimal protection from chips, dust, and coolant. Due to the diagonal orientation of the sealing is the scanning unit’s sword, the encoder can be mounted either upright or on its side. With the compact design of the LS 487 it is easy to install in limited space.

Heidenhain LS 487 Linear Encoders use optical scanning measuring standards of periodic structures known as graduations. These graduations are applied to glass and then generate an incremental signal. These scales have a grating period of 20 um.

The LS linear encoders deliver consistently high accuracy. A high-quality, very low-wear ceramic coupling prevents wear-induced inaccuracy throughout the service life of the encoder.

The Heidenhain LS 487 Linear Encoders have measuring lengths from 70-2040 mm. They have an 1Vpp serial interface. These scales have the option of ± 3 um or ± 5 um accuracy, select the best one for you when ordering.  A 150 m or less cable can be used for this linear encoder. These encoders have a maximum traversing speed of 120 m/min through a single field scanning unit.

A Heidenhain LS 487 sealed linear encoder fulfills the requirements for IP53 protection provided that they are sealed and mounted with the lips facing away from splashed water. If the encoder is exposed to concentrations of coolant or mist a protective cover should be used, or sealing air can be used to provide IP64 protection to more effectively prevent the ingress of contamination. This can be achieved with a DA 400 compressed air unit.