
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:
|