Feedback 360° High Speed Continuous Rotation Servo

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  • Jameco Part no.: 2239541
  • Manufacturer: Parallax
  • Manufacturer no.: 900-00360
  • No datasheet available. Please review the tabs below for product specifications.
  • Web Exclusive
  • This item is discontinued and is not
    recommended for new designs.
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Feedback 360° High Speed Continuous Rotation Servo

The Parallax Feedback 360° High Speed Servo provides the functionality of a light-duty standard servo, continuous rotation servo, high-speed servo and encoder in one convenient package.

Like most continuous rotation servos, the Feedback 360° is controlled by a 50 Hz pulse-width-modulation signal. A unique feature is a return signal line from an internal Hall effect sensor system that provides digital angular position feedback.

Utilizing this feedback signal, your application can make the servo to turn to and hold any angle, much like a standard servo but with an unlimited range of motion. Or, rotate the servo continuously at a controlled, verifiable speed - up to 120 RPM - as a robot drive motor. The control signal response is nicely linear across the speed control range.

Features

  • Bidirectional, continuous, feedback-controllable rotation from -120 to 120 RPM
  • PWM positional feedback across entire angular range
  • Internal Hall effect position sensor, which is not subject to wear or sensor deadband as are potentiometer-style feedback systems
  • No need to manually "center" the servo
  • 3-pin ground-power-signal cable plugs onto the Activity Board's 3-pin header
  • Separate single wire with female connector supplies feedback to a separate I/O pin
  • Fits our Small Robot Wheel and Tire and Servo Wheels

Specifications

  • RPM: +/-120 w/feedback control, 140 max (+/- 10) @ 6 V, no load
  • Gears: POM
  • Case: Nylon & fiberglass
  • Spline: 25-tooth, 5.96 mm OD
  • Peak stall torque @ 6 V: 2.2 kg-cm (30.5 oz-in)
  • Voltage requirements: 6 VDC typical, 5-8.4 VDC max range*
  • Current requirements: 15 mA (+/- 10) idle, 150 mA (+/- 40) no-load, 1200 mA stalled
  • Control signal: PWM, 3-5 V 50 Hz, 1280-1720 µs
  • Control signal zero-speed deadband: 1480-1520 µs (+/- 10)
  • Feedback sensor: Hall effect
  • Feedback signal: PWM, 3.3V, 910 Hz, 2.7-97.1% duty cycle
  • Product weight: 1.4 oz ( 40 g)
  • Cable length: approx. 9.8 in (250 mm)
  • Dimensions: approx. 2.15 x 1.46 x 0.79 in (50.4 x 37.2 x 20 mm)
  • Mounting hole spacing: 10 x 49.5 mm on center
  • Operating temperature range: 5 to 158 °F (-15 to +70 °C)
*5 VDC is absolute minimum required for no-load angular position control. 5.8 to 8 VDC is recommended for continuous rotation speed control.

Applications

  • Robot drive motors
  • Small-scale animatronics
  • Interactive artwork

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Specification Value
Motor Drive TypeStandard Servo
Direction TypeContinuous Rotation
Voltage Range (VDC)5.0 to 8.4
Stall Torque (4.8V)-
Stall Torque (6.0V)30.55 oz.in (2.2 kg.cm)
Current Drain - Idle (6.0V)15 mA
Current Drain - No-Load (6.0V)150 mA
No-Load Speed (4.8V)-
No-Load Speed (6.0V)0.38 sec/60°
Bearing TypePOM
Shaft Style25 tooth spline
Termination StyleWire Leads with Connector
Dimensions (mm)50.40 L x 37.20 W x 20.00 H
Mounting Hole Spacing (mm)10


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