Direct link to the pdf-download of the technical data sheet PRAS21

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-US-2013-12-16
www.asmsensors.com
1/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
PRAS20-MSHIELD
2/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
3/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
PRAS21-MSHIELD
4/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
5/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
blue
brown
white
6/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
7/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
8/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202
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-US-2013-12-16
www.asmsensors.com
a
a
b
b
b
c
c
c
a
PRAS20
0,5 mm
9/9
© ASM Sensors, Inc.
Phone: +1-(630) 832-3202