Pololu Jrk 12v12 USB Motor Controller with Feedback

PololuSKU: EXP-R25-060

Preis:
Sonderpreis238,00 €

Exkl. MwSt. zzgl. Versand

Lagerbestand:
Nicht auf Lager, mit Lieferzeit bestellbar

Hersteller-Artikelnummer: 1393
Zolltarifnummer: 85423190
Herkunftsland: US

Schneller Versand innerhalb 24h
Versand aus Deutschland
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Beschreibung

Firmware change notice: The latest firmware version for the jrk 12v12, version 1.4, changes the way the motor is controlled when the duty cycle is set to 0. All jrk 12v12s manufactured after August 24, 2012 ship with this new firmware version. You can tell what version of the firmware you have by running the jrk configuration utility. See the Upgrading Firmware section of the user?s guide for more information.
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.
The jrk 12v12 is the larger of two jrk motor controllers. For a lower-power version that has a wider operating voltage range, see the jrk 21v3.

Dimensions:
  • Size: 1.35" x 1.85"
  • Weight: 0.5 oz
General specifications:
  • Motor driver: VNH2SP30
  • Motor channels: 1
  • Control interface: USB; non-inverted TTL serial1
  • Minimum operating voltage: 6 V
  • Maximum operating voltage: 16 V
  • Continuous output current per channel: 12 A
  • Peak output current per channel: 30 A
  • Current sense: 0.13 V/A2
  • Maximum PWM frequency: 20 kHz
  • Minimum logic voltage: 4 V3
  • Maximum logic voltage: 5 V
  • Reverse voltage protection?: Y
Notes:
  • 1.Autodetects baud rates between 300 and 115,200 bps, or can be set to any fixed baud rate in this range.
  • 2.Current readings are converted to a digital number from 0-255.
  • 3.In RC mode, the pulses can be as low as 2V.

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Zusätzliche Informationen

Zolltarifnummer:
85423190

Herkunftsland:
US

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