ORBIT FR Performance Series AZ, EL Positioners: Heavy Duty - Manual (Page 3)

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Specifi cations - Performance Series AZ/EL Positioners Heavy Duty
Parameter Units
Positioner Model
AL-4385-1 AL-4386-1 AL-4387-1 AL-4388-1 AL-4389-1
Outline Dimension Drawing Number DCD28-6510 DCD27-6170 DCD27-6170 DCD28-6509 DCD28-6502
Technical Notes 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3, 4 1, 2, 3, 4
Operational
Bending Moment
ft-lbs 20,000 40,000 40,000 75,000 100,000
kg-m 2,765 5,530 5,530 10,370 13,830
Vertical Load
lbs 18,000 28,600 28,600 40,000 40,000
kg 8,165 12,970 12,970 18,140 18,140
Delivered Torque
Azimuth
ft-lbs 2,850 2,850 5,000 18,000 30,000
kg-m 390 390 690 2,490 4,150
Elevation
ft-lbs 7,980 20,000 20,000 75,000 100,000
kg-m 1,100 2,765 2,765 10,370 13,830
Withstand Torque
Azimuth
ft-lbs 4,200 4,300 6,000 18,000 35,000
kg-m 580 590 830 2,490 4,840
Elevation
ft-lbs 11,760 23,500 23,500 75,000 150,000
kg-m 1,630 3,250 3,250 10,370 20,740
Drive Power
Azimuth hp 3/4 3/4 3/4 5 5
Elevation hp 3/4 3/4 3/4 5 5
Nominal Speed
Upper Azimuth rpm 0.5 0.5 0.3 0.3 0.3
Elevation deg/min 45 25 25 25 20
Standard Angle
Transducer Format Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro Dual Speed
Synchro
Standard
Accuracy Azimuth deg ± 0.03 ± 0.03 ± 0.03 ± 0.02 ± 0.02
Elevation deg ± 0.03 ± 0.03 ± 0.03 ± 0.03 ± 0.03
Maximum
Backlash Azimuth deg 0.05 0.05 0.05 0.05 0.04
Elevation deg 0.05 0.05 0.05 0.04 0.04
Elevation Limit-to-Limit Travel deg ± 92 ± 92 ± 92 ± 92 ± 92
Physical
Height at 0° Elevation
in 51.6 51.6 51.6 66.1 66.1
mm 1,310 1,310 1,310 1,679 1,679
Weight
lbs 1,696 4,075 4,295 19,824 20,925
kg 769 1,848 1,948 8,992 9,491
Turntable Diameter
in 30.0 30.1 30.1 47.2 48.0
mm 762 765 765 1,199 1,219
Environmental
Operating Temperature - 4° F to 140° F (- 20° C to 60° C)