Product Name: HEIDENHAIN ERA 8480 Modular Angle Encoder Wtih Optimal Scanning
Product Code: ERA 8480
Modular Angle Encoder Wtih Optimal Scanning
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Scanning headAK ERA 8480Interface 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 8400 C full circle versionMSB ERA 8401 C segment version with tensioning elementsMSB ERA 8402 C segment version without tensioning elementsMeasuring standardGrating periodCoefficient of expansionSteel scale-tape with METALLUR graduation40 µm?therm ? 10.5 · 10–6 K–1Signal periods1)36 00045 00090 000Accuracy of graduation2)±4.7”±3.9”±1.9”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 circle458.11 mm572.72 mm1145.73 mmSegment? 400 mmMech. permissible speed? 50 rpm? 50 rpm? 45 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