THORLABS ELL14 - Chapter 6 Specifications; General Specifications

ELL14 Motorized SM1 Optic Rotator Chapter 6: Specifications
Rev. B, Feb 2020 Page 17
Chapter 6 Specifications
General Specifications
a
Travel
720°
b
Minimum Life Time
100 km (>600,000 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)
0.01 N•m
Axis Wobble
f
0.014 °
Max Load
50 g (centered)
Limit Switches
None
Mounting
30mm cage system – 4.0 mm holes and SR adapters
(available separately)
60 mm cage system – 3.0 mm holes through PCB.
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
66.0 x 82.5 x 19.0 mm (2.6” x 3.25” x 0.75”)
Weight (Rotator Only)
Metric 80 g, 0.176 lb
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 center of rotation