Servomoteur Dynamixel Pro+ H42P-020-S300-R
Servomoteur Dynamixel Pro+ H42P-020-S300-R

Dynamixel-P PH42-020-S300-R Servo

Robotis | A-000000-04097

More stable, reliable, precise and responsive, the Dynamixel-P H42P-020-S300-R servo will quickly become your preferred device for your industrial or advanced robotics projects. Preserving the best features of the Pro series, it clearly stands out for its numerous optimised settings.

€1,500.00
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Including €0.10 for ecotax

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Dynamixel-P H42P-020-S300-R: an RS-485 servo that’s both compact and powerful

Like with all the Dynamixel-P and Dynamixel-P actuators in the R series, the Dynamixel-P H42P-020-S300-R model is an all-in-one servo equipped with an RS-485 multidrop communication bus.

It offers 5 operational control modes including extended position control and PWM control, which proves very useful if you want to control the accelerations and decelerations of a mobile robot. Less powerful than 100 or 200 W servos, this actuator still offers excellent torque, precision and speed. You’ll benefit from a resolution equivalent to 607,500 pulses per revolution and a reduction ratio of more than 300:1. Being efficient does not compromise the servo’s compactness: at just over 300 g, it can be installed under various configurations on your robotised systems.

A worthy representative of the Dynamixel-P range

The new Dynamixel-P series is a major improvement on legacy Dynamixel servo motors, particularly in terms of reliability and resolution. All servos in this range allow for a high precision of movement, at a reduced response time. Heat and noise levels have also been improved.

The servos have been redesigned, notably with the addition of JST connectors. The enhanced control table, fully programmable, now support all X-series functions.

Technical specifications of the Dynamixel H42P-020-S300-R actuator

  • Maxon BLDC motor
  • Transmission rate: 9,600 bps~10.5 Mbps
  • Operating modes:
  • Torque control
  • Velocity control mode
  • Position control
  • Extended position control
  • PWM control (voltage control)
  • Weight: 340 g
  • Dimensions: 42 x 84 x 42 mm
  • Resolution: 607,500 pulses per revolution
  • Reduction ratio: 303.75: 1
  • Backlash: <6 [arcmin], 0.1 [°]
  • Radial load: 280 [N] (10 [mm] away from the horn)
  • Axial load: 100 [N]
  • No-load speed: 32.7 [rev/min]
  • No-load current: 0.57 [A]
  • Continuous speed: 29.2 [rev/min]
  • Continuous torque: 5.1 [Nm]
  • Continuous current: 1.5 [A]
  • Output: 20 [W]
  • Operating temperature: -5 °C ~ 55 °C
  • Input voltage: 24 [V]
  • Control signal: digital packet
  • Protocol: RS485 Asynchronous Serial Communication (8 bits, 1 stop, no parity)
  • Physical connection: RS-485 multidrop bus
  • IDs: 253 (0 ~ 252)
  • Standby current: 30 [mA]

Resources for the Dynamixel H42P-020-S300-R servo

Review the full characteristics of the Dynamixel-P H42P-020-S300-R servo in the resources below:


Dynamixel-P H42P-020-S500-R servomotor

Dynamixel-P H42P-020-S500-R servomotor

Dynamixel-P H42P-020-S500-R servomotor

Dynamixel-P H42P-020-S500-R servomotor

    My Dynamixel servomotor is not detected, what can I do about it ?

    Check that your Dynamixel servomotor is correctly configured. Do not hesitate to re-flash it with the ROBOTIS Software Roboplus. After re-flash remember to re-configure it. If the issue is not solved, contact us for an advanced support.


    My motor works but it seems like there is an offset. Why ?

    The motor is probably not well mounted. Check that you correctly mounted the horns by respecting the mark.


    My Dynamixel servomotor seems blocked. I can't turn it even when it is not alimented.

    There is probably a mechanical issue with the Dynamixel servomotor. You can directly contact us to get more advance support.


    My Dynamixel servomotor is not working properly.

    Check your power supply and the system cabling (try with a different servomotor). You can also reset the servo. If nothing works, the best solution is to go through the Dynamixel servomotor checklist!


    What is the difference between Protocol 1.0 and Protocol 2.0?

    The 1.0 protocol is specific to the Dynamixel AX and MX series. Protocol 2.0 has been developed with the new X series and Dynamixel Pro. Protocol 2.0 control tables include PID controls for extremely precise adjustment of servo movements. The firmware of the MX series servos can be upgraded to use protocol 2.0. You can refer to the protocol 1.0 and protocol 2.0 pages for more information.


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