ORBIT FR EL, AZ User Manual

LEGACY SERIES EL/AZ

HEAVY DUTY

>

EL/AZ Positioners – Heavy Duty

AL-4216-1 • AL-4206-1 • AL-4207-1 • AL-4209-1 • AL-4210-1 • AL-4211-1

AL-4207-1

Our Legacy Series EL/AZ positioners provide accurate
rotation, velocity, and direction for customers involved
in antenna design and development.

➊ APPLICATIONS

• General Purpose Positioning

Subsystems

• Far-Field & Near-Field Antenna

Measurements

• Aircraft Measurements

• Indoor & Outdoor Use

➋ PRODUCT HIGHTLIGHTS

• Broad Selection – 6 Models

• Vertical Loads Ranging from 30,000

to 50,000 lbs (13,610 to 22,680 kg)

• Platform Sizes Ranging from

34.3 x 34.1 in to 92.5 in /
870 x 866 mm to 2350 mm (diameter)

• Excellent Angular Position Accuracy

• Low Backlash Design

• Precision Bearings

• Closed Loop Servo Control

• Industry-Standard Wiring

• Tachometers for Optimum Speed

Regulation & Control

• Wide Operating Temperature Range:

- 4° F to 140° F (- 20° C to + 60° C)

• Fully Enclosed Design of Drive Gear

Train & Data Take-Off

• Wide Variety of Available Options

> Rotary Positioners

Their rugged yet simple construction ensures maximum
reliability and trouble-free operation, yielding the best
size and weight versus performance ratio.

Typically, the primary components include the body, precise slew bearings, DC motors, gear reducers,
synchro assemblies, and limit switch assemblies. The turntable surface is designed with a threaded
mounting hole pattern for customer use. A Safe/Operate switch is included to ensure the safety
of working personnel.

65

Specifi cations - Legacy Series EL/AZ Positioners Heavy Duty

Parameter Units

AL-4216-1 AL-4206-1 AL-4207-1 AL-4209-1 AL-4210-1 AL-4211-1

Positioner Model

Outline Dimension Drawing Number
Technical Notes

Operational

Bending Moment

Vertical Load

Azimuth

Delivered Torque

Elevation

Azimuth

Withstand Torque

Elevation

Drive Power

Nominal Speed

Standard Angle
Transducer Format

Standard
Accuracy

Maximum
Backlash

Elevation Limit-to-Limit Travel

Azimuth
Elevation
Azimuth
Elevation

Azimuth
Elevation
Azimuth
Elevation

10-2097 DCD10-2040 10-2098 10-2042 10-2043 10-2106
1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3

ft-lbs 30,000 35,000 45,000 150,000 300,000 300,000
kg-m 4,150 4,840 6,220 20,740 41,480 41,480
lbs 30,000 30,000 30,000 40,000 45,000 50,000
kg 13,610 13,610 13,610 18,140 20,410 22,680
ft-lbs 6,000 6,000 6,000 30,000 35,000 80,000
kg-m 830 830 830 4,150 4,840 11,060
ft-lbs 20,000 24,000 30,000 100,000 260,000 260,000
kg-m 2,765 3,320 4,150 13,830 35,950 35,950
ft-lbs 14,000 14,000 14,000 45,000 45,000 100,000
kg-m 1,940 1,940 1,940 6,220 6,220 13,830
ft-lbs 30,000 13,000 45,000 150,000 300,000 300,000
kg-m 4,150 1,800 6,220 20,740 41,480 41,480
hp 3/4 3/4 3/4 4 4 5
hp 3/4 3/4 3/4 4 4 5
rpm 0.3 0.3 0.3 0.2 0.15 0.1
deg/min 20 20 15 25 8 10

deg ± 0.03 ± 0.03 ± 0.03 ± 0.02 ± 0.02 ± 0.02
deg ± 0.04 ± 0.04 ± 0.04 ± 0.04 ± 0.03 ± 0.03
deg 0.05 0.05 0.04 0.03 0.02 0.02
deg 0.03 0.03 0.03 0.03 0.03 0.02

deg + 92, - 45 + 92, - 45 + 92, - 45 + 92, - 45 + 92, - 45 + 92, - 45

Dual Speed
Synchro

Dual Speed
Synchro

Dual Speed
Synchro

Dual Speed
Synchro

Dual Speed
Synchro

Dual Speed
Synchro

66

Physical

Height at 0° Elevation

Weight

Platform Size

Environmental

Operating Temperature

in 60 60 72 99 129 151
mm 1,420 1,420 1,829 2,510 3,277 3,835
lbs 4,200 6,300 6,700 20,500 45,000 48,000
kg 1,905 2,858 3,039 9,299 20,412 21,772

in 34.3 x 34.1 34.3 x 34.1 34.3 x 34.1

mm 871 x 866 871 x 866 871 x 866

- 4° F to 140° F (- 20° C to 60° C)

92.5
(diameter)

2350
(diameter)

47.2 x 47.2

1200 x 1200

92.5
(diameter)

2350
(diameter)