Angle Encoders without Integral Bearing ERA 4281C Mã sản phẩm: ERA 4281C Nhà Sản Xuất:

ERA 4281C [ ERA 4000 ]
Steel circumferential scale drum with low weight and low moment of inertia
consisting of ERA 4280 scanning head and ERA 4201 C scale drum
Measuring procedures Incremental
Incremental signals 1 VSS
Reference marks Distance-coded
Cutoff frequency -3dB ≥ 350 kHz
Power supply 5 V± 10%/max. 100 mA
Electrical connection Cable 3 m with D-sub connector
Electrical connection 15-pin
Max. cable length 150 m (with HEIDENHAIN cable)
Scale drum inside diameter 26 mm
Scale drum outside diameter 52.65 mm
Line count 8192
System accuracy ± 8,6''
Accuracy of graduation ± 7''
Grating period 20 µm
Mech. permissible speed n 6000 min-1
Moment of inertia of the rotor 0,034 x 10-3 kgm²
Permissible axial motion of measured shaft  ± 0.5 mm (scale drum relative to scanning head)
Vibration 55 to 2000 Hz ≤ 200 m/s² (IEC 60 068-2-6)
Shock (6 ms) ≤ 1000 m/s² (EN 60068-2-27)
Operating temperature –10 °C to 80 °C
Protection IEC 60529 IP 66 at housing; IP 64 at shaft inlet
Weight 
Scale Drum Approx. 0.065 kg
Scanning head without cable Approx. 0.020 kg
ERA 4281C 1 VSS ± 8,6'' 6000 min-1
ERA 4281C 1 VSS ± 3,1'' 4000 min-1
ERA 4281C 1 VSS ± 2,9'' 2000 min-1
ERA 4281C 1 VSS ± 2,8'' 2000 min-1
ERA 4281C 1 VSS ± 6,1'' 6000 min-1
ERA 4281C 1 VSS ± 4,5'' 4000 min-1

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