Country: USA
Languages: Englisch

Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0

Subsidiary: SIKO Products Inc. 2155 Bishop Circle E Dexter, MI 48130 USA Phone+1 (734) 426-3476

Magnetic ring MRAC501

absolute, high-resolution position acquisition for rotative applications

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Profile 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

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Mechanical data
FeatureTechnical dataAdditional information
Flange

aluminum

Speed≤234 rpm

absolute

≤1172 rpm

incremental, mechanical

System data
FeatureTechnical dataAdditional information
Pole length5 mm
System accuracy±0.06°

(±200 ")

at TU = 20 °C

Measuring range360°
Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature-40 … 80 °C
Storage temperature-40 … 80 °C
Relative humidity100 % condensation admissible
Magnetic ring MRAC501
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)
System resolution* absolute [steps/revolution]
Bits/revolutionSteps/revolutionResolution
15327680.011° (39.6")
16655360.0055° (19.8")
171310720.0027° (9.9")
182621440.0014° (4.9")
System resolution* incremental [steps/revolution]
Bits/revolutionSteps/revolution**Resolution**
151310720.0027° (9.9")
162621440.0014° (4.9")
175242880.0007° (2.5")
1810485760.0003° (1.2")

System resolution = Scaling of the sensor + code size of the ring

rotational speed of MRAC501 with MSAC501
incremental, code size 8 bits, 256 poles
  Rotational speed [min-1]
Incremental scaling MSAC501 magnetic sensor7 Bit117273236614692462311.45.6
8 Bit91636618373462311.45.72.8
9 Bit45818392372311.45.72.91.39
10 Bit229924618.311.45.72.91.430.69
Pulse interval [μs]0.20.512.548163266
Counting frequency [kHz]125050025010062.531.2515.637.813.79
absolute
Number of polesSpeed [min-1]
256234
Scope of delivery
  • MRAC501
Ordering table

Hint When ordering sensor MSAC501, please be sure to select code size 8.

Ordering key

MRAC501 - 8 - 320

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Ben King


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Maurizio Masullo


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