RSI 01 Momentum and Reaction Wheel 0.1 Nms

The Space Wheel RSI 01 from Rockwell Collins is the smallest TELDIX® space wheel with integrated Wheel Drive Electronics. It includes a digital RS 485 interface, 0,04 to 0,12 Nms.

Our TELDIX space wheels are available with an angular momentum storage capacity spanning a range between 0.04 and 68 Nms. The wheels accommodate the requirements of attitude control systems for spacecraft weighing between 30 and 7,000 kg.

Rockwell Collins brings you more than 40 years of experience in space-wheel technology. Our TELDIX space wheels have accumulated more than 7,300 years of in-orbit operational time, for proven products you can trust in your most demanding space-bound applications.

Contacts

Technical Support

Space Wheels
Phone 1: 49-0-6221-512-275
Email

Features & Benefits

  • Modular design
  • Fast adaptation to customer requirements
  • Space qualified subsystems (housing, motor, bearing unit and electronics)
  • Hermetically sealed
  • Volume/mass optimized
  • Broad spectrum of different wheel types
  • For satellites weighing 30 to 100 kg
  • High reliability through heritage
  • Usable as momentum or reaction wheel
  • More than five years' lifetime
  • Digital RS 485 interface

Specifications

Performance

RSI 01-5/15

Angular Momentum at Nominal Speed

0.04 Nms

Operational Speed Range

± 1,500 rpm

Speed Limiter (eMf)

< 1,700 rpm

Reaction Torque at Nominal Speed

5 mNm

RSI 01-5/28i

Angular Momentum at Nominal Speed

0.12 Nms

Operational Speed Range

± 2,800 rpm

Speed Limiter (eMf)

< 3,000 rpm

Reaction Torque at Nominal Speed

5 mNm

Physical Specs

RSI 01-5/15

Diameter

95 mm

Height

102 mm

Mass

< 0.6 kg

RSI 01-5/28i

Diameter

95 mm    

Height

102 mm    

Mass

< 0.7 kg

Power

RSI 01-5/15

Power Consumption    

 

Steady state at nominal speed

< 2 W

Maximum torque at nominal speed

< 4 W

Power Interface   

 

Supply voltage

14 ± 3; 5 ± 0.25 V

Input current

(14 V line)  < 0.20 A
(5 V line) < 0.12 A

Signal Interface

 

Protocol

RS 485 - full duplex (9600, n, 8, 1)

Connector

15-pin high density (GFSC tpe)

Telemetry data

Speed, torque, motor current,  inner temperature

Operational Modes

Standby, speed-loop, torque-loop

RSI 01-5/28i

Power Consumption    

 

Steady state at nominal speed

< 2 W

Maximum torque at nominal speed

< 4 W

Power Interface   

 

Supply voltage

20-0.5; 5 ± 0.25 V

Input current

(20 V line)  < 0.20 A
(5 V line) < 0.12 A 

Signal Interface

 

Protocol

RS 485 - full duplex (9600, n, 8, 1)

Connector

15-pin high density (GFSC type)

Telemetry data

Speed, torque, motor current,  inner temperature

Operational Modes

Standby, speed-loop, torque-loop

Environmental

Operating Temperature

-20 to +60 °C

Survival/Non-operating Temperature

-35 to +70 °C

Typical System

Main Components

Please contact Rockwell Collins for additional information on this product.

Related Documents

Publications

Technical documentation is developed to your requirements for the operation and maintenance of your product.

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Training

Our instructional design specialists and staff of experienced instructors develop and support solutions to meet your operator and maintenance training requirements. We offer a host of solutions to maximize your investment. On-site and customized training are available.

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Services & Support

Tailored Services

Our facilities and capabilities allow us to offer a variety of support solutions from time and material repairs to fully integrated performance based logistics.

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