Kpower DHV822 High-Speed Servo Motor with PWM, TTL and RS-485 for Robotic Positioning

Kpower

$151.00 USD

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Version DHV822

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Overview

The Kpower DHV822 is a high-speed servo motor for controlled angular positioning in robotic mechanisms. Its coreless motor, steel gears and CNC aluminium case combine with a compact 40 × 20 × 39 mm body. Listed PWM, TTL and RS-485 protocols provide control-interface selection criteria, while voltage-specific speed, torque and current figures help assess power and motion requirements.

Features

DHV822 high-speed servo with a coreless motor.
Steel gears and a CNC-machined 7075 aluminium case.
Listed control protocols: PWM, TTL and RS-485.
120° ± 3° travel angle, 3 μs dead band and 50–333 Hz refresh frequency.

Specifications

Parameter	Value
Brand / model	Kpower DHV822
Classification	High speed
Gear material	Steel
Signal range	900–2100 μs
Case material / construction	7075 aluminium; CNC-machined case
Motor type	Coreless
Operating temperature	−10°C to +50°C
Dead band	3 μs
Travel angle	120° ± 3°
Refresh frequency	50–333 Hz
Operating voltage range	4.8–7.4 V
Dimensions	40 × 20 × 39 mm
Weight	72 g
Wire gauge / insulation	22 AWG PVC
Listed protocols	PWM, TTL, RS-485

Voltage-Specific Performance

Parameter	At 6.0 V	At 7.4 V
No-load speed	0.10 ± 0.01 s/60°	0.08 ± 0.01 s/60°
Stall torque	11.0 ± 0.20 kg·cm	13.0 ± 0.20 kg·cm
No-load current	800 ± 30 mA	1200 ± 30 mA
Stall current	2600 ± 40 mA	3000 ± 50 mA

Additional DHV822 Performance Figures

Parameter	Listed value	Conditions
Torque	11.8 kg·cm	Voltage and test conditions not specified; not identified as rated or stall torque
Speed	0.06 s/60°	Voltage, load and test conditions not specified

Applications

Robotic linkage positioning: Use the 120° ± 3° travel range for bounded angular movement in a linkage or small joint mechanism.
Repeated angular actuation: The high-speed coreless servo supports mechanisms requiring repeated position changes; use the voltage-specific no-load speed and current figures when planning motion and power requirements.