Magnetic ring MRAC501
Absolute, high-resolution position acquisition for rotative applications
- External diameter 406.4 mm, 256 poles (code size 8 bits)
- Hollow shaft diameter ≤320 mm
- Speed absolute ≤234 min-1
- Speed incremental ≤1172 min-1
Ben
King
Inside Sales
Edward
Stuart
Product Manager Business Unit MagLine
Technical drawing
Technical Specifications
Mechanical data
System data
Ambient conditions
Feature
Technical Specifications
Enhancement
Flange
aluminum
Speed
≤234
min-1
absolute
≤1172
min-1
incremental, mechanical
Feature
Technical Specifications
Enhancement
Pole length
5
mm
System accuracy
±0.06
°
at TU = 20° C
Measuring range
360
°
Feature
Technical Specifications
Enhancement
Ambient temperature
-40 … 80 °C
Storage temperature
-40 … 80 °C
Relative humidity
100
%
condensation admissible
More information
System resolution MRAC501 with MSAC501
System resolution* absolute and incremental [bit]
|
Total bits/revolution |
||
|
Scaling MSAC501 magnetic sensor |
7 bit |
15 |
|
8 bit |
16 |
|
|
9 bit |
17 |
|
|
10 bit |
18 |
|
|
Number of poles of MRAC501 magnetic ring |
256 (8 bit) |
|
|
3 |
1 |
4 |
System resolution* absolute [steps/revolution]
|
Bits/revolution |
steps per revolution |
Resolution |
|
15 |
32768 |
0.011° (39.6") |
|
16 |
65536 |
0.0055° (19.8") |
|
17 |
131072 |
0.0027° (9.9") |
|
18 |
262144 |
0.0014° (4.9") |
System resolution incremental [steps/revolution]
|
Bits/revolution |
Steps per revolution** |
Resolution** |
|
15 |
131072 |
0.0027° (9.9") |
|
16 |
262144 |
0.0014° (4.9") |
|
17 |
524288 |
0.0007° (2.5") |
|
18 |
1048576 |
0.0003° (1.2") |
* System resolution = sensor scaling + ring code size
**After 4-fold evaluation of the incremental signals
**After 4-fold evaluation of the incremental signals
Rotational speed of MRAC501 with MSAC501
incremental, code size 8 bits, 256 poles
|
Speed [rpm] |
||||||||||
|
Incremental scaling MSAC501 magnetic sensor |
7 bit |
1172 |
732 |
366 |
146 |
92 |
46 |
23 |
11.4 |
5.6 |
|
8 bit |
916 |
366 |
183 |
73 |
46 |
23 |
11.4 |
5.7 |
2.8 |
|
|
9 bit |
458 |
183 |
92 |
37 |
23 |
11.4 |
5.7 |
2.9 |
1.39 |
|
|
10 bit |
229 |
92 |
46 |
18.3 |
11.4 |
5.7 |
2.9 |
1.43 |
0.69 |
|
|
Pulse interval [µs] |
0.2 |
0.5 |
1 |
2.5 |
4 |
8 |
16 |
32 |
66 |
|
|
Counting frequency [kHz] |
1250 |
500 |
250 |
100 |
62.5 |
31.25 |
15.63 |
7.81 |
3.79 |
|
|
3 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
Absolute
|
code size |
Speed [rpm] |
|
8 bit |
234 |
Purchase order
Note
When ordering sensor MSAC501, please be sure to select code size 8.
Scope of delivery
- MRAC501