HEIDENHAIN AK ERA 4280 Modular Angle Encoder With Optical Scanning

HEIDENHAIN

Product Code: AK ERA 4280
Brand: HEIDENHAIN



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Description for HEIDENHAIN AK ERA 4280 Modular Angle Encoder With Optical Scanning

Scanning headAK ERA 4280Interface  1 VPPCutoff frequency –3 dB? 350 kHzElectrical connectionCable 1 m with M23 coupling (12-pin)Cable length? 150 m (with HEIDENHAIN cable)Voltage supplyDC 5 V ±0.5 VCurrent consumption< 100 mA (without load)Vibration 55 to 2000 HzShock 6 ms? 100 m/s2 (EN 60 068-2-6)? 500 m/s2 (EN 60 068-2-27)Operating temperature–10 °C to 80 °CMass? 20 g (without cable)Scale drumTTR ERA 4202 CMeasuring standardGrating periodCoefficient of expansionSteel drum20 µm?therm ? 10.4 · 10–6 K–1Signal periods12 00016 38420 00028 00032 76840 00052 000Accuracy of graduation±4”±3”±2.5”±2”±1.9”±1.8”±1.7”Interpolation error per signal period1)±1.1”±0.8”±0.7”±0.5”±0.4”±0.4”±0.3”Reference marksDistance-codedDrum inside diameter*40 mm70 mm80 mm120 mm/150 mm150 mm/185 mm180 mm/210 mm270 mmDrum outside diameter*76.75 mm104.63 mm127.64 mm178.55 mm208.89 mm254.93 mm331.31 mmMech. permissible speed10 000 rpm8500 rpm6250 rpm4500 rpm4250 rpm3250 rpm2500 rpmMoment of inertia0.28 · 10-3 kgm20.83 · 10-3 kgm22.0 · 10-3 kgm27.1/4.5 · 10–3 kgm212/6.5 · 10–3 kgm228/20 · 10–3 kgm259 · 10-3 kgm2Permissible axial movement? ±0.5 mm (scale drum relative to the scanning head)Protection EN 60 529Complete encoder in mounted condition: IP00Mass? 0.30 kg? 0.42 kg? 0.69 kg? 1.2 kg/ 0.66 kg? 1.5 kg/ 0.66 kg? 2.3 kg/ 1.5 kg? 2.6 kg* Please select when ordering1) Interpolation error within one signal period and the accuracy of the graduation together result in the encoder-specific error; for additional error from mounting and bearing of the measured shaft, see Measuring accuracy

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