Type |
AU300-AR |
Structure
Description |
Range of Travel |
360° Continuous
on Azimuth and Roll Axes |
Table Size |
Diameter: 3.937 in (100 mm)
|
Gear Ratio |
180:1 |
Actuator Type |
Worm and Worm Gear |
Travel Guide |
Precision V-groove & Crossed Roller |
Elevation Motor
 |
Typical Phase Resistance |
3.8 Ohms, Bi-directional |
Typical Phase Current |
1 Amp |
DB-9 Male Connector |
Pin Assignment and Description |
1 |
+5 VDC |
2 |
Channel-A of Encoder (Optional) |
3 |
Channel-B of Encoder (Optional) |
4 |
Common |
5 |
HOME Switch, Open Collector, Normally Open, Needs 1K Pull up Resistor |
6 |
Stepper Motor Phase A+ |
7 |
Stepper Motor Phase A- |
8 |
Stepper Motor Phase B+ |
9 |
Stepper Motor Phase B- |
|
Roll Motor
 |
Typical Phase Resistance |
3.8 Ohms, Bi-directional |
Typical Phase Current |
1 Amp |
DB-9 Male Connector |
Pin Assignment and Description |
1 |
+5 VDC |
2 |
Not Connected |
3 |
Not Connected |
4 |
Common |
5 |
HOME Switch, Open Collector, Normally Open, Needs 1K Pull up Resistor |
6 |
Stepper Motor Phase A+ |
7 |
Stepper Motor Phase A- |
8 |
Stepper Motor Phase B+ |
9 |
Stepper Motor Phase B- |
|
Base Material |
Aluminum Alloy |
Surface Treatment |
Black Anodized |
Load Capacity |
20 kg |
Weight with the Optional Bottom Plate |
14.1 kg (31 lb) |
Weight of the Bottom Plate |
2.9 kg (6.3 lb)
|
Resolution |
0.001° = 3.6 arcsec (10 Micro-steps per Step Motor Driver in use) |
Maximum Speed of the Roll axis with Stepper Motor |
12 °/sec |
Maximum Speed of the Roll axis with Servo Motor |
60 °/sec |
Maximum Speed of the Azimuth axis with Stepper Motor |
8 °/sec |
Maximum Speed of the Azimuth Axis with Servo Motor |
45 °/sec |
Typical Accuracy
|
Accuracy |
0.05° = 180 arcsec
|
Repeatability |
+/- 0.01° = +/- 36 arcsec
|