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Overview

Honeywell Hawk™ 3-Inch Series Resolvers, dual speed (1X and 16X ), 2.75 in OD, pancake bare configuration, 7 V, 2500 Hz, leadwire, bare mounting type, no bolt pattern, 0.25 transformation ratio, ±25 arcsec accuracy, stainless steel hub and housing.

For manufacturers who need an accurate, reliable, repeatable and durable rotary and angle absolute position sensor for potential use in defense, aerospace, medical and industrial applications. Honeywell Hawk™ Resolvers provide 360° noncontact, angular position sensing and enhanced accuracy (±7 arcmin) for precise motion control.

Resolvers convert mechanical shaft position to an electrical signal which represents the actual shaft angle. They are variable transformers in which the stator has two phase windings mechanically displaced by 90°. The output consists of two sine waves that are phase shifted by 90°.

Resolvers are typically chosen over electronic sensors (i.e., optical encoders, potentiometers, magnetic encoders/sensors) because they do not contain electronics, so they are not susceptible to performance fluctuations in harsh environments. Resolvers are inherently radiation hardened and offer durable EMC (Electromagnetic Compatibility) performance.

Technical Specifications

Configuration Pancake bare
Outside Diameter 2.75 in
Speed Dual (1X and 16X )
Accuracy ±25 arcsec
Transformation Ratio 0.25
Voltage 7 V
Frequency 2500 Hz
Input Current 20 mA to 40 mA
Operating Temperature -50.8°C to 93.3°C [-60°F to 200°F]
Storage Temperature MIL-STD-810G, 501.5 and 502.5, -50.8°C to 93.3°C
Electrical Load 100 kOhm min.
Input Power 0.03 W to 0.09 W
Angular Range 360°+
Material Housing/hub: 416 stainless steel
Mounting Type Bare
Connection leadwire
Shock MIL-S-81963B, Section 3.7.2, 50 g, 11 ms duration, 3 axes, 2 directions, 5 impacts each axis/direction, 30 total
Vibration MIL-S-81963B, Section 3.7.1, 15 g, 10 Hz to 2000 Hz, 4 hr each on 3 axes
Humidity Cycle MIL-STD-202 G Condition 106
Thermal Cycle RTCA/DO-160D Section 5, -50.8°C to 93.3°C extreme temperatures, 10°C per minute transition
EMC MIL-STD-461 RS-101, RE-101, RE-102
Outgassing SP-R0022 (NASA outgassing requirements)
Endurance MIL-hdbk-218 (6.2): 1200 hr at 1150 rpm
Availability Global
Series Name 3-Inch Series

Technical Specifications

Configuration Pancake bare
Outside Diameter 2.75 in
Speed Dual (1X and 16X )
Accuracy ±25 arcsec
Transformation Ratio 0.25
Voltage 7 V
Frequency 2500 Hz
Input Current 20 mA to 40 mA
Operating Temperature -50.8°C to 93.3°C [-60°F to 200°F]
Storage Temperature MIL-STD-810G, 501.5 and 502.5, -50.8°C to 93.3°C
Electrical Load 100 kOhm min.
Input Power 0.03 W to 0.09 W
Angular Range 360°+
Material Housing/hub: 416 stainless steel
Mounting Type Bare
Connection leadwire
Shock MIL-S-81963B, Section 3.7.2, 50 g, 11 ms duration, 3 axes, 2 directions, 5 impacts each axis/direction, 30 total
Vibration MIL-S-81963B, Section 3.7.1, 15 g, 10 Hz to 2000 Hz, 4 hr each on 3 axes
Humidity Cycle MIL-STD-202 G Condition 106
Thermal Cycle RTCA/DO-160D Section 5, -50.8°C to 93.3°C extreme temperatures, 10°C per minute transition
EMC MIL-STD-461 RS-101, RE-101, RE-102
Outgassing SP-R0022 (NASA outgassing requirements)
Endurance MIL-hdbk-218 (6.2): 1200 hr at 1150 rpm
Availability Global
Series Name 3-Inch Series

Documents


Product Features

Value Propositions:

  • Shock specification of 50 g, 11 ms allows for use in harsh military and aerospace applications
  • Vibration specification of 15 g, 10 Hz to 2000 Hz allows for use in harsh military and aerospace applications
  • Enhanced reliability and durability when compared with potentiometers
  • Operating temperature range of -50.8°C to 93.3°C [-60°F to 200°F] allows for use in harsh environments and meets standard military and space application requirements
  • Excitation voltage range of 2 V to 15 V allows customers to standardize on a resolver that meets their excitation voltage needs, simplifying sourcing and delivery, and saving time
  • Product delivery up to 1.5 times faster than many competitive products
  • Customization due to Honeywell’s manufacturing process
  • Global support due to Honeywell’s worldwide presence
  • Engineering expertise due to Honeywell’s 30+ years’ experience providing accurate, reliable, and durable resolvers for the aerospace and defense industries

Features and Benefits (in addition to value propositions)

  • Fully housed configuration with bearing/shaft
  • Small outer diameter of 1 inch allows for use in size-restricted applications
  • Single speed operation (1 magnetic pole pair) allows for cost-effective angle resolution over a 360°+ range
  • Excitation frequency range of 2000 Hz to 5000 Hz provides a wide variety of choices with which to power the device
  • Transformation ratio of 0.45 or 1.0 offers customers two choices, increasing flexibility within the application
  • Accuracy of ±420 arcsec enables precise motion control of weapon systems and space positioning devices
  • Non-contact magnetic technology eliminates mechanical contact, reducing wear and improving reliability and durability by enhancing operation in harsh environments (performance is not affected by sand, dust or water)
  • Meets multiple military/aerospace specifications: DO-160D, MIL-STD-202G, MIL-STD-810G, MIL-STD-81963B, MIL-STD-461F; complies with space outgassing requirement SP-R0022

Applications

DEFENSE

  • Electro-optical systems (i.e., systems that transfer information from the optical system to the firing mechanism): Provides absolute position feedback of the azimuth and/or elevation angular planes for precise ordnance delivery
  • Fire control systems (i.e., weapon systems on military vehicles or vessels): Provides absolute position feedback of the azimuth and/or elevation angular planes for precise ordnance delivery
  • Gimbals position feedback (i.e., communication pedestals positioned on top of military vehicles): Provides absolute position feedback of the azimuth and/or elevation angular planes for a continuous communication stream
  • Infrared systems (i.e., military vehicle infrared systems): Accurately aims the infrared system at the target

AEROSPACE

  • Space vehicle solar panels: Accurately positions the equipment for maximum performance
  • Space vehicle antennae: Accurately positions the equipment for maximum performance

MEDICAL

  • Oncology equipment: Provides precision feedback of oncology systems to assist in positioning during examinations

INDUSTRIAL

  • CNC/precision tooling: Provides angular position feedback of attachments

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