HEIDENHAIN ERA 4880 Modular Angle Encoder With Optical Scanning

HEIDENHAIN

Product Code: ERA 4880
Brand: HEIDENHAIN



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Description for HEIDENHAIN ERA 4880 Modular Angle Encoder With Optical Scanning

Scanning headAK ERA 4280 graduation period 20 µmAK ERA 4480 graduation period 40 µmAK ERA 4880 graduation period 80 µmInterface  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? 200 m/s2 (EN 60 068-2-6)? 1000 m/s2 (EN 60 068-2-27)Operating temperature–10 °C to 80 °CMass Scanning head? 20 g; scanning head for protective cover: ? 35 g (each without cable)Scale drumTTR ERA 4200 C graduation period 20 µmTTR ERA 4400 C graduation period 40 µmTTR ERA 4800 C graduation period 80 µmMeasuring standardCoefficient of expansionSteel drum?therm ? 10.4 · 10–6 K–1Signal periods/Interpolation error per signal period1)ERA 420012 000/±1.1”16 384/±0.8”20 000/±0.7”28 000/±0.5”32 768/±0.4”40 000/±0.4”52 000/±0.3”––ERA 4400 6000/±2.2” 8192/±1.6”10 000/±1.3”14 000/±1.0”16 384/±0.8”20 000/±0.7”26 000/±0.5”38 000/±0.4”44 000/±0.3”ERA 4800 3000/±4.4” 4096/±3.2” 5000/±2.6” 7000/±1.9” 8192/±1.6”10 000/±1.3”13 000/±1.0”––Accuracy of graduation±5”±3.7”±3”±2.5”±2”Reference marksDistance-coded or oneDrum inside diameter*40 mm70 mm80 mm120 mm150 mm180 mm270 mm425 mm512 mmDrum outside diameter*76.75 mm104.63 mm127.64 mm178.55 mm208.89 mm254.93 mm331.31 mm484.07 mm560.46 mmMech. permissible speed10 000 rpm8500 rpm6250 rpm4500 rpm4250 rpm3250 rpm2500 rpm1800 rpm1500 rpmMoment of inertia0.27 · 10-3 kgm20.81 · 10-3 kgm21.9 · 10-3 kgm27.1 · 10-3 kgm212 · 10-3 kgm228 · 10-3 kgm259 · 10-3 kgm2195 · 10-3 kgm2258 · 10-3 kgm2Permissible axial movement? ±0.5 mm (scale drum relative to the scanning head)Protection* EN 60 529Complete encoder in mounted condition: Without protective coverIP00With protective cover2) and compressed airIP40IP40IP40IP40IP40IP40IP40–MassScale drum? 0.28 kg? 0.41 kg? 0.68 kg? 1.2 kg? 1.5 kg? 2.3 kg? 2.6 kg? 3.8 kg? 3.6 kgProtective cover? 0.07 kg? 0.1 kg? 0.12 kg? 0.17 kg? 0.22 kg? 0.26 kg? 0.35 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 accuracy2) Possible only with ERA 4480; please order protective cover separately

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