f Heidenhain Angle Encoders without Integral Bearing ERA Series ERA4281C- A&S Automation Co., Ltd
 
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Features





 





ERA

4000






Large

diameter range






High

permissible shaft speeds






High

accuracy






Various

shapes of drum






Various

line counts per diameter






Protective

cover for increased resistance to contamination






Typical

field of application






 





Rotary

tables






Swivel

heads






Accurate,

highly dynamic motors 













ERA

4281C [ ERA 4000 ]






 





Steel

circumferential scale drum with low weight and low moment of inertia






consisting

of ERA 4280 scanning head and ERA 4201 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 3 m with D-sub

connector






Electrical

connection   15-pin






Max.

cable length 150 m (with HEIDENHAIN cable)






Scale

drum inside diameter       26 mm






Scale

drum outside diameter     52.65 mm






Line

count     8192






System

accuracy   8,6''






Accuracy

of graduation       7''






Grating

period      20 m






Mech.

permissible speed n  6000 min-1






Moment

of inertia of the rotor  0,034 x 10-3 kgm






Permissible

axial motion of measured shaft    0.5 mm

(scale drum relative to scanning head)






Vibration

55 to 2000 Hz     ?200 m/s(IEC 60 068-2-6)






Shock

(6 ms)?1000 m/s(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. 0.065 kg






Scanning

head without cable      Approx. 0.020 kg



























We can also offer other similar types of products, as

follows:



































































































































































































































































































































































































































































































































































































































































































































































Name







Incremental signals







System accuracy







Mech. permissible speed n
















 

























































ERA 4280C ERA

4280C








1 VSS







4,5''







8500 min-1







 
















ERA 4280C ERA

4280C








1 VSS







2,9''







4250 min-1







 
















ERA 4280C ERA

4280C








1 VSS







2,9''







3250 min-1







 
















ERA 4280C ERA

4280C








1 VSS







2,8''







2500 min-1







 
















ERA 4280C ERA

4280C








1 VSS







6,1''







10000 min-1







 
















ERA 4280C ERA

4280C








1 VSS







3''







4500 min-1







 
















ERA 4281C ERA

4281C








1 VSS







8,6''







6000 min-1







 
















ERA 4281C ERA

4281C








1 VSS







3,1''







4000 min-1







 
















ERA 4281C ERA

4281C








1 VSS







2,9''







2000 min-1

































ERA 4281C ERA

4281C








1 VSS







2,8''







2000 min-1







 
















ERA 4281C ERA

4281C








1 VSS







6,1''







6000 min-1







 
















ERA 4281C ERA

4281C








1 VSS







4,5''







4000 min-1







 
















ERA 4282C ERA

4282C








1 VSS







2,0''







2500 min-1







 
















ERA 4282C ERA

4282C








1 VSS







2,5''







4500 min-1







 
















ERA 4282C ERA

4282C








1 VSS







2,3''







4250 min-1







 
















ERA 4282C ERA

4282C








1 VSS







3,2''







6250 min-1







 
















ERA 4282C ERA

4282C








1 VSS







3,8''







8500 min-1







 
















ERA 4282C ERA

4282C








1 VSS







2,2''







3250 min-1







 
















ERA 4282C ERA

4282C








1 VSS







5,1''







10000 min-1







 
















ERA 4480C ERA

4480C








1 VSS







4,3''







6250 min-1







 
















ERA 4480C ERA

4480C








1 VSS







3,5''







4500 min-1







 
















ERA 4480C ERA

4480C








1 VSS







2,3''







1500 min-1







 
















ERA 4480C ERA

4480C








1 VSS







3,0''







2500 min-1







 
















ERA 4480C ERA

4480C








1 VSS







7,2''







10000 min-1







 
















ERA 4480C ERA

4480C








1 VSS







2,4''







1800 min-1







 
















ERA 4480C ERA

4480C








1 VSS







3,3''







4250 min-1







 
















ERA 4480C ERA

4480C








1 VSS







5,3''







8500 min-1







 
















ERA 4480C ERA

4480C








1 VSS







3,2''







3250 min-1







 
















ERA 4481C ERA

4481C








1 VSS







3,3''







2000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







3,1''







2000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







7,2''







6000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







10,2''







6000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







5,3''







4000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







3,6''







4000 min-1







 
















ERA 4481C ERA

4481C








1 VSS







3,2''







2000 min-1







 
















ERA 4880C ERA

4880C








1 VSS







4,4''







4500 min-1







 
















ERA 4880C ERA

4880C








1 VSS







9,4''







10000 min-1







 
















ERA 4880C ERA

4880C








1 VSS







3,8''







3250 min-1







 
















ERA 4880C ERA

4880C








1 VSS







4,1''







4250 min-1







 
















ERA 4880C ERA

4880C








1 VSS







6,9''







8500 min-1







 
















ERA 4880C ERA

4880C








1 VSS







3,5''







2500 min-1







 
















ERA 4880C ERA

4880C








1 VSS







5,6''







6250 min-1







 







 












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