HEIDENHAIN AK ERA 7480 Modular Angle Encoder With Optical Scanning

HEIDENHAIN

Product Code: AK ERA 7480
Brand: HEIDENHAIN



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Description for HEIDENHAIN AK ERA 7480 Modular Angle Encoder With Optical Scanning

Scanning headAK ERA 7480Interface  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? 20 g (without cable)Scale TapeMSB ERA 7400 C full circle versionMSB ERA 7401 C segment versionMeasuring standardGrating periodCoefficient of expansionSteel scale-tape with METALLUR graduation40 µm?therm ? 10.5 · 10–6 K–1Signal periods1)36 00045 00090 000Accuracy of graduation2)±3.9”±3.2”±1.6”Interpolation error per signal period2)±0.4”±0.3”±0.1”Accuracy of the scale tape±3 µm/m of tape lengthReference marksDistance-codedScale-slot diameter*Full circle458.62 mm573.20 mm1146.10 mmSegment? 400 mmMech. permissible speed? 250 rpm? 250 rpm? 220 rpmPermissible axial movement? 0.5 mm (scale tape relative to scanning head)Permissible expansion coefficient of shaft?therm?9 · 10–6 K–1 to 12 · 10–6 K–1Protection EN 60 529Complete encoder in mounted condition: IP00Mass? 30 g/m* Please select when ordering, additional diameters up to max. 3 m upon request1) Validity for full circle version; for segment versions depending on the mating diameter and the tape length2) Accuracy of the graduation and interpolation error within one signal period result in the encoder-specific error; for additional error from mounting and bearing of the measured shaft, see Measuring accuracy

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