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Magnetic ring MRAC501

Absolute, high-resolution position acquisition for rotative applications

SIKO Global, Magnetic ring MRAC501
SIKO Global, Magnetic ring MRAC501
SIKO Global, Magnetic ring MRAC501
SIKO Global, Magnetic ring MRAC501
  • 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
Ben King
Inside Sales
+1 734 426-3476 ben.king(at)siko-global.com
Edward Stuart
Edward Stuart
Product Manager Business Unit MagLine
+1 734 426-3476 edward.stuart(at)siko-global.com
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  • Technical drawing
  • Technical Specifications
  • More information
  • Purchase order
  • Downloads

Technical drawing

SIKO Global, Magnetic ring MRAC501

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

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.

Your order key

MRAC501 - 8 - 320
Would you like to request a non-binding offer?
Quantity:

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Data sheet

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Scope of delivery

  • MRAC501

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Contact

Contact

SIKO Products Inc., Headquarters/Sales North America

Do you have questions about our company or our products?

We would be happy to help you.

sales.us(at)siko-global.com

+1 734 426-3476

Headquarters

SIKO GmbH

Weihermattenweg 2

79256 Buchenbach

Germany

Contact
+49 7661 394-0
info(at)siko-global.com
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