AS5000-MS-20-150_Spec_v0_1 - AS5304 Magnet Specification...

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Revision 0.1 1 - 7 1 General This specification defines the dimensional and magnetic properties of a multipole magnetic strip for use with the AS5304 magnetic linear motion and off-axis rotary angle encoder. Material: Strontium ferrite bonded 2 Dimensional Specification Parameter Symbol Min Typ Max Unit Note Strip Length L 300±2 mm Active length = 300mm Strip Width W 10±0.2 mm Active width = 10mm Strip Thickness T 1,3±0, 15 mm 1mm rubber bonded magnet on 0.3mm stainless steel strip Thermal Expansion 17 x10 -6 /K Mechanical length expansion Density 3.5 1.43 3.65 4.64 3.8 7.85 g/cm 3 magnetic rubber stainless steel Delivery Single cut pieces without adhesive, rolls of 25m, 50m (up to 100m max.) 3 Magnet Specification Parameter Symbol Min Typ Max Unit Note Pole Length L p 2.00 mm Results in pole pair length of 4.0mm (150 poles @ 1.0mm) Pole Length Deviation 1 1.5 % of 2*L p Measured at Bz=0, all poles within active area Amplitude Variation ±10 % of B pk All poles within active area Number of Poles 150 poles Excluding poles with L<L P at the ends of the strip Resolution Res 25 μm AS5304 @ incremental output Magnetic Field Amplitude @ 0.8mm Distance B pk mT Vertical component of the magnetic field strength in the center of the strip at 25°C Magnetic Field Temperature Drift TkB r -0.2 %/K AS5304 Magnetic Multipole Strip MS20-150 Pole Length 2.0mm, 150 Poles Magnet Specification
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AS53xx Linear Multipole Magnetic Strip Magnet Specification Revision 0.1 2 - 7 Parameter Symbol Min Typ Max Unit Note Cumulative error 40 20 10 µm/m depending on accuracy grade standard A20 A10 Thermal Expansion 1E-4 1/K Mechanical length expansion Temperature Range Tamb -40 25 100 °C scale mounted, no bending Magnetization The MS20-150 magnet strip is magnetized on the top side and bonded on a steel support with elastomer adhesive (bottom). Note that the polarization of the magnet will change when it is rotated as the pole arrangement not symmetric. This will influence the position of the index pulse. An index pulse is generated when the North and
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  • Spring '14
  • Magnetism, Magnetic Field, Magnet, Linear Multipole Magnetic Strip, multipole magnetic strip

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