ELL18K Rotation Stage Evaluation Kit
Chapter 6: Specifications
Rev A April 2019
Page 17
Chapter 6 Specifications
General Specifications
a
Travel
360° Continuous
b
Minimum Life Time
100 km (600,600 revolutions).
Max Speed
c
430 °/s
Bidirectional Repeatability
d
0.05 °
Homing Repeatability
0.25 °
Bidirectional Accuracy
e
0.4 °
Backlash
0.013 °
Encoder Resolution
143360 Counts/rev
Minimum Incremental Motion
0.002 °
Minimum Motor Holding Torque
(both motors engaged)
0.015 N•m
Axis Wobble
f
0.019 °
Max Load
200 g (centered*)
Limit Switches
None
Mounting
4.2 mm (0.17") holes through PCB for attachment brackets
(supplied)
Rated Voltage
4.5 to 5.5 V
Typical Current Consumption During Movement
800 mA
Standby Current
0.05 A
Motor Type
Elliptec Resonant Piezo
8-Conductor Ribbon Cable Length (Supplied)
250 mm
8-Conductor Ribbon Cable Length (Maximum)
3 m
Operating Temperature Range
15 to 40 °C (59 to 104 °F)
Dimensions (with Brackets fitted)
81.0 x 86.4 x 21.5 mm (3.19” x 3.72” x 0.85”)
Weight (Stage plus Brackets)
90 g
Weight (Stage Only)
80 g
a
All values measured with a load of 64 g and a moment of inertia of 6600 g.mm
2
b
duty cycle of 15 secs running, followed by a 20 sec cooling down period. If the running time is shorter, then
so is the required cool down time.
c
Some natural variability in the maximum speed may be experienced. Max speed will increase with usage.
d
Maximum difference between clockwise and anticlockwise movement to the same position
e
Maximum deviation from true
f
Max deviation from centre of rotation
