Sensors & Transducers

Speed sensors for drives and axes

May 2015 Sensors & Transducers

With a high switching frequency of 15 000 Hz, as well as an extended temperature range of -32 to 125°C, the new MX5 magnetic speed sensors from ifm electronic are the perfect partner for the detection of rotational speed and direction of rotation on axes, drives and shafts. The detection of both direction of rotation and rotational speed is integrated into one housing.

With fully electronic magnetic measuring cells, the sensors function reliably without contact, even in the case of heavy soiling. They are magnetically biased, with an integrated permanent magnet. The ferromagnetic teeth on a toothed wheel alter the existing magnetic field so that a corresponding switching signal can be generated.

The sophisticated housing concept offers different combinations of housing lengths and connections, such as straight or angled cable outlets and AMP connectors. Toothed wheel modules made of metal are standardised and have a defined tooth width and distance. The flanged housing offers quick mounting and accurate adjustment of the sensor with only one screw. This reduces phase shift and guarantees precise detection of the toothed wheel. MX5 sensors can be used to select one- or two-channel speed detection. Besides speed, the direction of rotation can also be detected using two channels. The new sensors are adjusted to module 1,25.

For more information contact ifm electronic SA, 086 143 6772,,


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