PRAS1 Datasheet, PDF (37/52 Pages) ASM GmbH – Angle Sensors and Encoders Contents

POSIROT ^®  
PMIR4
Incremental magnetic wheels
Specification
Material
Base material
Signal periods per revolution
Magnetic period
Temperature range
Linearity with sensor PMIS4
Plastic bonded magnetic material or magnetic
scale
Aluminium
From 50 poles/revolution
2 mm
-40 ...+85°C (-40 ... +185 °F)
Approx. ± 0.1°
Data valid in connection with the sensor PMIS4.
Standard magnetic wheels
Type
Poles
∅
Height
Signal periods/rotation
PMIR4-20-50
50
31.8
18
decade division (refer to the table below)
PMIR4-20-64
64
40.7
18
binary division (refer to the table below)
PMIR4-20-90
90
57.3
18
vernier (refer to the table below)
Further pole numbers, diameters and magnetic periods on request.
Inside diameter
20H7
20H7
20H7
Scaling factor
Sensor
PMIS4-20- ...
1
2
4
8
10
16
20
25
32
40
50
64
80
100
125
128
200
250
256
400
500
512
1024
2048
PMIR4-20-50
Signal periods
R.p.m. )* 
(at 480 kHz)
PMIR4-20-64
Signal periods
R.p.m. )* 
(at 480 kHz)
50
100
200
400
500
800
1000
1250
1600
2000
2500
3200
4000
5000
6250
6400
10 000
12 500
12 800
20 000
25 000
25 600
51 200
102 400
6000
6000
6000
6000
5760
6000
5760
6000
6000
5760
6000
6000
5760
4608
3686
3600
2304
1843
1800
1152
922
900
450
225
64
128
256
512
640
1024
1280
1600
2048
2560
3200
4096
5120
6400
8000
8192
12 800
16 000
16 384
25 600
32 000
32 768
65 536
131 072
6000
6000
6000
6000
4500
6000
4500
6000
6000
4500
6000
5625
4500
3600
2880
2813
1800
1440
1406
900
720
703
352
176
)* Maximum revolution per minute mechanically 6.000 R.p.m.
PMIR4-20-90
Signal periods
R.p.m. )* 
(at 480 kHz)
90
180
360
720
900
1440
1800
2250
2880
3600
4500
5760
7200
9000
11 250
11 520
18 000
22 500
23 040
36 000
45 000
46 080
92 160
184 320
6000
6000
6000
6000
3200
6000
3200
5120
6000
3200
5120
4000
3200
2560
2048
2000
1280
1024
1000
640
512
500
250
125
ASM
www.asm-sensor.com
CAT-PR/PT-E-07
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