Angle Encoders without Integral Bearing ERA 4280C Mã sản phẩm: ERA 4280C Nhà Sản Xuất:

ERA 4280C [ ERA 4000 ]
Steel circumferential-scale drum with centering collar
consisting of ERA 4280 scanning head and ERA 4200 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 1 m with M 23 coupling
Electrical connection 12-pin
Max. cable length 150 m (with HEIDENHAIN cable)
Scale drum inside diameter 80 mm
Scale drum outside diameter 127.64 mm
Line count 20000
System accuracy ± 3,7''
Accuracy of graduation ± 3''
Grating period 20 µm
Mech. permissible speed n 6250 min-1
Moment of inertia of the rotor 1,9 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. 0.68 kg
Scanning head without cable Approx. 0.020 kg
ERA 4280C 1 VSS ± 3,7'' 6250 min-1
ERA 4280C 1 VSS ± 4,5'' 8500 min-1
ERA 4280C 1 VSS ± 2,9'' 4250 min-1
ERA 4280C 1 VSS ± 2,9'' 3250 min-1

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