Pololu Jrk 12v12 USB Motor Controller with Feedback

Artikelnummer: PO1393

The powerful jrk 12v12 motor controller is a highly configurable brushed DC motor controller that supports four interface modes: USB, logic-level serial, analog voltage, and hobby radio control (RC). The controller can be used as an open-loop speed control or for closed-loop speed or position control. The continuous output current is approximately 12 A (30 A max) and the operating range of 6?16 V (with transient protection up to 40 V).

Kategorie: Motoren


84,49 €

inkl. 19% USt.,

sofort verfügbar

Lieferzeit: 1 bis 2 Tage

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Beschreibung

Overview

The jrk 12v12 is a versatile, general-purpose motor controller that supports a variety of interfaces, including USB. The 6 V to 16 V operating range and high continuous output current of 12 A (30 A peak) allow this board to control many medium-sized DC brushed motors. Analog voltage and tachometer (frequency) feedback options allow quick implementation of closed-loop servo systems, and a free configuration utility (for Windows) allows easy calibration and configuration through the USB port.

Key improvements over competing products and earlier Pololu motor controllers with feedback include:

  • USB connectivity with emulated serial (COM) port allows direct motor control from a PC.
  • Ultrasonic PWM to eliminate switching-induced motor shaft hum or whine.
  • Robust, high-speed communication protocol with user-configurable error condition response.
  • High internal resolution (12 bits) for smooth and flexible calibration to various input and feedback devices.
  • Current sensing and limiting.
  • Reversed power protection.
  • Field-upgradeable firmware.

Main Features of the Jrk 12v12

  • Simple bidirectional control of one DC brush motor.
  • 6 V to 16 V operating supply range.
  • 12 A maximum continuous current output (30 A peak).
  • Four communication or control options:
    • USB interface for direct connection to a PC.
    • Full-duplex, TTL-level asynchronous serial interface for direct connection to microcontrollers or other embedded controllers.
    • Hobby radio control (RC) pulse width interface for direct connection to an RC receiver or RC servo controller.
    • 0–5 V analog voltage interface for direct connection to potentiometers and analog joysticks.
  • Two closed-loop feedback options:
    • 0–5 V analog voltage.
    • Frequency/tachometer digital input up to 2 MHz with 1 ms PID period.
    • (Open-loop control with no feedback also available.)

Simple configuration and calibration over USB with free configuration program (Windows 8, Windows 7, Vista, and Windows XP compatible). Configurable parameters include:

  • PID period and PID constants (feedback tuning parameters).
  • Maximum current.
  • Maximum duty cycle.
  • Maximum acceleration.
  • Error response.
  • Input calibration (learning) for analog and RC control.
  • Optional CRC error detection eliminates communication errors caused by noise or software faults.
  • Reversed power protection.
  • Field-upgradeable firmware.
  • Optional feedback potentiometer disconnect detection.
  • Comprehensive user’s guide.

Document

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