POSIROT® PRAS20 Magnetic Angle Sensor with Analog Output Magnetic angle sensor 0 - 360° ● Measurement range 0 - 360° ● Protection class IP60 ● Analog output ● Non-contact with external position magnet ● Wear free ● Compact, low profile housing ● Redundant second channel optional Specifications Outputs U2B U6 I1B Measurement range Resolution Repeatability Linearity Rated distance sensor / magnet Protection class Signal characteristics Material Connection Mounting Shock Vibration Order code PRAS20 Tension 0.5 ... 10 V Tension 0.5 ... 4.5 V ratiometr. Current 4 ... 20 mA (3 wire) 0 ... 15° to 0 ... 360° (selectable in 15° increments) 0.03 % (60 ... 360); 0.1 % (15 ... 45°) ±0.03 % (60 ... 360°); ±0.1 % (15 ... 45°) ±0.5 % f.s. (typ.) Depending on the position magnet IP60 CW, CCW Epoxy glass fiber, thermoplastic Single wire ETFE 3 x 0.5 mm2 Screws M4 EN 60068-2-27:2010, 100 g/11 ms, 100 shocks EN 60068-2-6:2008, 20 g 10 Hz-2 kHz, 10 cycles PRAS20 Model name Measurement range 15 ... 360° (selectable in 15° increments) 15 / 30 / 45 / ... / 345 / 360 Output (see page 5) U2B = 0.5 ... 10 V U6 = 0.5 ... 4,5 V ratiometric I1B = 4 ... 20 mA, 3 wire Signal characteristics CW = Signal increasing CW CCW = Signal increasing CCW Connection A300 = Single wire ETFE 3 x 0.5 mm2, length 300 mm Order code position magnet (see accessories page 8) PRMAG ... Order example: PRAS20 - 360 - U2B - CW - A300 DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com 1/9 © ASM GmbH [email protected] POSIROT® PRAS20 Dimensions Outline drawing PRAS20 Measuring area Messfläche 1,6 [.063] 6 [.236] PositionsPosition magnet magnet Ø48 [1.890] Marking Markierung 17,5 [.689] 30° 20 [.787] 28 [1.102] Ø38 [1.496] 4,5 [ .177 ] 8 [.315] Dimensions in mm [inch] Weight without cable approx. 8 g. Dimensions informative only. For guaranteed dimensions please consult factory. PRAS20 Magnetic shield PRAS20 PRAS20-MSHIELD Order code magnetic shield: DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com PRAS20-MSHIELD 2/9 © ASM GmbH [email protected] POSIROT® PRAS21 Magnetic Angle Sensor with Analog Output Magnetic angle sensor 0 - 360° ● Measurement range 0 - 360° ● Protection class IP60 ● Analog output ● Compact, low profile housing ● Non-contact with external position magnet ● Wear free Specifications Order code PRAS21 Outputs U 6 Voltage 0.5 ... 4.5 V ratiometric Measurement range 0 ... 15° to 0 ... 360° (selectable in 15° increments) Resolution Repeatability Linearity Rated distance sensor / magnet Protection class Signal characteristics Material Mounting Connection Shock Vibration 0.03 % (60 ... 360); 0.1 % (15 ... 45°) ±0.03 % (60 ... 360°); ±0.1 % (15 ... 45°) ±0.5 % f.s. (typ.) Depending on the position magnet IP60 CW, CCW Epoxy glass fiber, thermoplastic Screws M3 Single wire ETFE 3 x 0.5 mm2 EN 60068-2-27:2010, 100 g/11 ms, 100 shocks EN 60068-2-6:2008, 20 g 10 Hz-2 kHz, 10 cycles PRAS21 Model name Measurement range 15 ... 360° (selectable in 15° increments) 15 / 30 / 45 / ... / 345 / 360 Output (see page 5) U6 = 0.5 ... 4.5 V ratiometric Signal characteristics CW = Signal increasing CW CCW = Signal increasing CCW Connection A300 = Single wire ETFE 3 x 0.5 mm2, length 300 mm Order code position magnet (see accessories page 8) PRMAG ... Order example: PRAS21 - 360 - U6 - CW - A300 DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com 3/9 © ASM GmbH [email protected] POSIROT® PRAS21 Dimensions Position magnet 6 [.236] 1,6 [.063] Magnet / magnet Measuring area Messfläche / measurement area 4,5 [.177] Outline drawing PRAS21 Markierung / Marking 26 marking [1 .0 24 ] 26 [1.024] 3 3, [.1 27 [1.063] 9 [.354] ] 30 10 ° Dimensions in mm [inch] 80° Weight without cable approx. 5 g. Dimensions informative only. For guaranteed dimensions please consult factory. PRAS21 Magnetic shield PRAS21 PRAS21-MSHIELD Order code magnetic shield: DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com PRAS21-MSHIELD 4/9 © ASM GmbH [email protected] POSIROT® PRAS20 / PRAS21 Analog outputs U2B Voltage Output 0.5 ... 10 V Excitation voltage Excitation current Output voltage Output current Measuring rate Stability (temperature) 11.5 ... 27 V DC 12 mA typ., 16 mA max. 0.5 ... 10 V DC 2 mA max. 1 kHz standard ±50 x 10-6 / °C f.s. (typ.) for 90°...360° ±100 x 10-6 / °C f.s. (typ.) for <90° -40 ... +85 °C Reverse polarity, short circuit EN 61326-1:2013 Operating temperature Protection EMC U6 Voltage Output 10 ... 90% ratiometr. Excitation voltage Excitation current Output voltage Output current Measuring rate Stability (temperature) 5 V DC ±10 % 8 mA typ., 12 mA max. 10 ... 90 % of the excitation voltage 2 mA max. 1 kHz standard ±50 x 10-6 / °C f.s. (typ.) for 90°...360° ±100 x 10-6 / °C f.s. (typ.) for <90° -40 ... +85 °C Reverse polarity, short circuit EN 61326-1:2013 Operating temperature Protection EMC I1B Current Output 4 ... 20 mA, 3 wire Excitation voltage Excitation current Load resistor Output current Measuring rate Stability (temperature) 10 ... 18 V DC 32 mA typ., 36 mA max. 200 Ω max. 4 ... 20 mA 1 kHz standard ±50 x 10-6 / °C f.s. (typ.) for 90°...360° ±100 x 10-6 / °C f.s. (typ.) for <90° -40 ... +85 °C Reverse polarity, short circuit EN 61326-1:2013 Operating temperature Protection EMC Output signals Excitation + U2B U6 I1B Signal + GND DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com 5/9 © ASM GmbH [email protected] POSIROT® PRAS20 / PRAS21 Signal wiring Signal wiring Signal Cable color Excitation + Signal GND brown white blue Connection PRAS20 white blue brown Connection PRAS21 white brown blue Connection PRAS20, redundant version white brown blue DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com blue brown white 6/9 © ASM GmbH [email protected] POSIROT® PRAS20 / PRAS21 Characteristics for magnetic angle sensors Output signal (CW increasing) Marking Range [°] Output signal (CCW increasing) Marking Range [°] Example angular range 90° Marking Example angular range 360° Marking DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com 7/9 © ASM GmbH [email protected] POSIROT®® 8 [.315] 3,5 [.138] J K J 4,5 [.177] 4,5 [.177] 30 [1.181] PRMAG20 20 [.787] Accessories Position magnets K 5 [.197] 13 [.512] Sensor / Sensor sensor Marking Markierung / marking Weight 11 g approx., moment of inertia 1.2 kgmm2 A misalignment of the position magnet has an effect on the linearity J K K J Sensor Sensor / sensor 6,6 [.260] Weight 3 g approx., moment of inertia 0.1 kgmm2 A misalignment of the position magnet has an effect on the linearity 2,7 [.106] 5 [.197] Marking Markierung / marking 3,7 [.146] 2,7 [.106] 8 [.315] PRMAG21 16 [.630] Sensor/ Sensor sensor Ø5,4 [.213] Sensor/ Sensor sensor Dimensions in mm [inch] Dimensions informative only For guaranteed dimensions please consult factory DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com 8/9 © ASM GmbH [email protected] POSIROT®® Accessories Position magnets PRMAG22 E 5 4, 5 6 ,5 F 26 22 6,4 36 F Weight 17 g approx., moment of inertia 3 kgmm2 E 15 6,5 Marking Markierung / marking A misalignment of the position magnet has an effect on the linearity Sensor Sensor / sensor Dimensions in mm [inch] Dimensions informative only For guaranteed dimensions please consult factory Sensor Position magnet Air gap [mm] Parallelism [°] Error by axial misalignment of the position magnet [°] (a) (b) (c) 0,2 mm PRAS21 1 mm 2 mm 3 mm 4 mm PRMAG20 0 ... 7 0 ... 5 0,1 0,3 0,7 2,0 4,6 – PRMAG21 0 ... 2 0 ... 5 0,15 0,3 0,9 3,6 9,6 – PRMAG22 0 ... 10 0 ... 5 0,0 0,0 0,7 1,5 3,8 7,0 PRMAG20 0 ... 7 0 ... 5 0,1 0,3 0,7 2,0 4,6 – PRMAG21 0 ... 2 0 ... 5 0,15 0,3 0,9 3,6 9,6 – PRMAG22 0 ... 10 0 ... 5 0,0 0,0 0,7 1,5 3,8 7,0 DB-PRAS20/21-E-2013-12-16 www.asm-sensor.com a a b b b c c c a PRAS20 0,5 mm 9/9 © ASM GmbH [email protected]