ORBIT FR AZ, EL, AZ Positioners: Medium Duty User Manual
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Specifi cations - Legacy Series AZ/EL/AZ Positioners Medium Duty
Parameter
Units
Positioner Model
AL-4569-1 AL-4570-1 AL-4571-1 AL-4572-1 AL-4573-1 AL-4574-1 AL-4575-1
Outline Dimension Drawing Number
10-2034
10-2035
10-0651
09-0965
11-2710
09-0966
10-2037
Technical Notes
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Operational
Bending Moment
ft-lbs
120
210
600
2,000
4,200
7,500
12,000
kg-m
20
30
80
280
580
1,040
1,660
Vertical Load
lbs
100
200
800
1,250
2,800
5,000
10,000
kg
45
90
360
570
1,270
2,270
4,540
Delivered Torque
Upper Azimuth
ft-lbs 90
150
150
500
500
500
1,200
kg-m 12
20
20
70
70
70
170
Elevation
ft-lbs 90
150
500
1,200
2,800
5,000
10,000
kg-m 12
20
70
170
390
690
1,380
Lower Azimuth
ft-lbs 90
150
500
500
1,200
1,200
2,800
kg-m 12
20
70
70
170
170
390
Withstand Torque
Upper Azimuth
ft-lbs 120
210
210
600
600
600
2,000
kg-m 20
30
30
80
80
80
280
Elevation
ft-lbs 120
210
600
2,000
4,200
7,500
12,000
kg-m 20
30
80
280
580
1,040
1,660
Lower Azimuth
ft-lbs 120
210
600
600
2,000
2,000
4,200
kg-m 20
30
80
80
280
280
580
Drive Power
Upper Azimuth
hp 1/8
1/8
1/3
1/3
1/3
3/4
3/4
Elevation
hp 1/8
1/8
1/3
3/4
3/4
3/4
3/4
Lower Azimuth
hp 1/8
1/8
1/3
1/3
3/4
3/4
3/4
Nominal Speed
Upper Azimuth
rpm 2.6
2
2
1.5
1.5
1.5
1.3
Elevation
deg/min
900
720
540
470
180
108
55
Lower Azimuth
rpm 3
2
1.5
1.5
1.3
1.3
0.5
Standard Angle
Transducer Format
Dual Speed
Synchro
Dual Speed
Synchro
Dual Speed
Synchro
Dual Speed
Synchro
Dual Speed
Synchro
Dual Speed
Synchro
Dual Speed
Synchro
Standard
Accuracy
Upper Azimuth
deg
± 0.04
± 0.03
± 0.03
± 0.03
± 0.03
± 0.03
± 0.03
Elevation
deg
± 0.04
± 0.04
± 0.03
± 0.03
± 0.03
± 0.03
± 0.03
Lower Azimuth
deg
± 0.04
± 0.03
± 0.03
± 0.03
± 0.03
± 0.03
± 0.03
Maximum
Backlash
Upper Azimuth
deg 0.08
0.06
0.06
0.05
0.05
0.05
0.05
Elevation
deg 0.08
0.06
0.06
0.05
0.05
0.05
0.05
Lower Azimuth
deg 0.08
0.06
0.06
0.05
0.05
0.05
0.05
Elevation Limit-to-Limit Travel
deg
± 95
± 95
± 95
± 95
± 95
± 95
± 95
Physical
Height at 0° Elevation
in 20.3
23.8
30.4
39.3
46.9
46.9
48.0
mm 516
605
772
997
1,190
1,190
1,219
Weight
lbs 155
280
420
820
1,200
1,232
1,600
kg
70
127
191
372
544
559
726
Turntable Diameter
in 10.3
12.5
12.5
20.3
20.3
20.3
24.1
mm 262
318
318
516
516
516
612
Lower Azimuth Moment Bearing
Capacity (Static)
ft-lbs
300
800
3,000
10,000
22,000
22,000
30,000
kg-m
42
111
415
1,383
3,042
3,042
4,148
Environmental
Operating Temperature
- 4° F to 140° F (- 20° C to 60° C)