Angle Encoders without Integral Bearing ERA 4880C Mã sản phẩm: ERA 4880C Nhà Sản Xuất:

ERA 4880C [ ERA 4000 ]
Steel circumferential-scale drum with centering collar
consisting of ERA 4880 scanning head and ERA 4800 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 120 mm
Scale drum outside diameter 178.55 mm
Line count 7000
System accuracy ± 4,4''
Accuracy of graduation ± 2.5''
Grating period 80 µm
Mech. permissible speed n 4500 min-1
Moment of inertia of the rotor 7,1 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. 1.2 kg
Scanning head without cable Approx. 0.020 kg
ERA 4880C 1 VSS ± 9,4'' 10000 min-1
ERA 4880C 1 VSS ± 3,8'' 3250 min-1
ERA 4880C 1 VSS ± 4,1'' 4250 min-1
ERA 4880C 1 VSS ± 6,9'' 8500 min-1
ERA 4880C 1 VSS ± 3,5'' 2500 min-1
ERA 4880C 1 VSS ± 5,6'' 6250 min-1

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