Sensors & Transducers


Linear distance measurement and position detection

March 2013 Sensors & Transducers

The new MPA from SICK Automation is a versatile solution for linear distance measurement and position detection of pistons in pneumatic drives. The analogue positioning sensor delivers convincing performance due to its selectable analogue output, the setting of the measuring range by means of teach-in, as well as communication via I/O-Link.

The MPA is available with measuring ranges from 107 to 1007 mm, each graded in 36 mm increments and featuring minimised blind zones. Because of its universal housing, it can be mounted on the most diverse cylinder types using suitable fastening adaptors. The scanning rate of 1,15 ms shows how fast the MPA is, with resolution at a 0,03% of the measuring range.

Easily mounted and universally applicable

Electric integration of the MPA is just as simple as mechanical installation. The initial and final point of the measuring range is taught by means of an intelligent, capacitive teach pad. In addition, the magnetic cylinder sensor provides an integrated I/O-Link interface as a communication option. Commissioning and diagnosis are supported in a time-saving way by means of a four-colour LED display on the sensor. The analogue output of the MPA can be used optionally as a 4 to 20 mA current signal or as a 0 to 10 V voltage signal, reducing the variants for machine builders and thus their storage costs.

Designed for a long service life

The MPA is designed for a long service life and the lowest possible maintenance costs, even in harsh environments. The aluminium housing features an IP67 enclosure rating, which in conjunction with the rugged control panel and the integrated cable kink protection, result in maximum load capacity. This guarantees availability in the most diverse applications, eg, for monitoring offsets, for checking levels with float-controlled magnets, or for linear distance measurement using separate position sensors.



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