posirot® Magnetic Angle Sensors PRAS20 Angle sensor for indoor applications Contactless with external position magnet, wear-free Optional redundant second channel

PRAS20 - Magnetic Angle Sensor Version with analog output Specifications Order options Measurement range Voltage 0.5 ... 10 V Voltage 0.5 ... 4.5 V ratiometric Current 4 ... 20 mA, 3 wire Signal characteristics Signal increasing CW, clockwise Signal increasing CCW, counterclockwise Rated distance sensor / magnet Depending on the position magnet Housing material Epoxy glass fibre, thermoplastic Protection class Single wire ETFE 3 x 0.5 mm2, length 300 mm Temperature range 8 g approx. (without cable) Order example: PRAS20 – 360 – U6 – CW – A300 Accessories: Position magnets (see from page 4) Magnetic...

A – Position magnet B – Measuring area C – Marking Dimensions in mm [inch]. Weight without cable approx. 8 g. Dimensions for information only. For guaranteed dimensions consult factory.

Order code zinc coated steel, plastic A misalignment of the position magnet has an effect on the linearity. Dimensions in mm [inch]. Dimensions informative only. For guaranteed dimensions please consult factory.

Order code zinc coated steel; plastic A misalignment of the position magnet has an effect on the linearity. Dimensions in mm [inch] Dimensions informative only. For guaranteed dimensions please consult factory.

Order code zinc coated steel, plastic A misalignment of the position magnet has an effect on the linearity. Dimensions in mm [inch]. Dimensions informative only For guaranteed dimensions please consult factory.

A – Sensor B – Marking C – Thread M10 Order code A misalignment of the position magnet has an effect on the linearity. Dimensions in mm [inch]. Dimensions informative only. For guaranteed dimensions please consult factory.

Measuring error by misalignment of the position magnet Air gap (a) Parallelism (b) Axial misalignment (c) Error by axial misalignment [°] Position magnet

Output specification Analog output Excitation current Output voltage Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature Excitation voltage Excitation current Output voltage Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature U6 Voltage output 10 … 90 % ratiometric Excitation voltage

I1B Current output 4 … 20 mA, 3 wires Excitation voltage Excitation current Output current Measuring rate Stability (temperature) Reverse polarity, short circuit Operating temperature PRAS20 / PRAS20R / PRAS21 Signal wiring Single wires Output signals Cable color

Characteristics for magnetic angle sensors Output signal CW (clockwise increasing) Output signal CCW (counterclockwise increasing) Example angular range 90° Example angular range 360° A – Marking B – Measurement range [°]

Accessories PRAS20 / PRAS20R Magnetic shield An optional shield plate is available for the angle sensors PRAS20 and PRAS20R. It can reduce the effect of residual magnetizing in case the sensor has to be mounted on a ferromagnetic material. Order code magnetic shield: PRAS20/26-MSHIELD