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Programmable PWM

Digital Servo 

45KG High Torque

 32 Bit MCU 

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• Multiple Programmable Parameters

• Stall Torque: 45KG-cm (7.4V)

• No-load Speed: 0.098sec@60º (7.4V)

• Coreless Motor

• 2 Appearances 4 Models

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FEATURES

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Overload Protection
Cut off the output automatically when a stall is detected for more than 3secconds.

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Overheating Protection
Servo will stop working when the internal temperature is overheated.

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Voltage Protection
The device can only work normally within the set voltage range

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Soft Start
Provide a softer and smoother way to set the servo to the target position when first power on.

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Neutral Position Recalibration
Auto cut off the output when the input voltage is out of range.

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Overload Protection
Auto cut off the output when overload is detected.

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MULTIMEDIA

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COMPARISON SHEET

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	Programmable PWM Digital Servo	Standard PWM Digital Servo
Processor	32-Bit MCU	8-Bit MCU
Overload Protection	✅	❌
Overheating Protection	✅	❌
Voltage Protection	✅	❌
Programmer	✅	❌
Software	✅	❌
Neutral Point Recalibration	Programmable	No
PWM Pulse Width Range	Programmable	No
Fail Safe	Programmable	No
Soft Start	Programmable	No
Rotation Direction	Programmable	No

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SOFTWARE

• Customize the Parameters of Programmable XX8-Axx Series Servos
• Test Settings Prior to Servo Installation
• Save and Load Servo Parameter Files and Restore the Factory Default Files

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MECHANICAL IN DETAIL

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PROGRAMMER

• Compatible for all programmable PWM servo series
• Input Voltage: 6.0-8.4V
• 1 channel PWM interface
• Dimension: 3.0 x 2.5 cm
• (Sold separately)

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SYMMETRICAL STRUCTURE

• RP8-A4X series (dual-shafts) support the installation of the U bracket in two directions, and each direction can be installed from -90º, 0º, and 90º angles.
• Large U bracket with sunken hub horn, installation size is only 52mm.
• (Sold separately)

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PURCHASE CODE

• RP8-A41
• RP8-A44
• HP8-A41
• HP8-A44

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Specifications

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Model	RP8-A41 RP8-A44	HP8-A41 HP8-A44
Appearance
Performance Spec
Stall Torque	49kg-cm (8.4V) 45kg-cm (7.4V) 38kg-cm (6.0V)
No-Load Speed (@60º)	0.085sec (8.4V) 0.098sec (7.4V) 0.118sec (6.0V)
Processor	32bit MCU
Input Voltage	6.0～8.4V
Protocols	PWM
PWM Period	3～40ms
Stall Current	6A
Current Drain-Idle (7.4V)	50mA
Current Drain-No-Load (7.4V)	300mA
Dead Band	3µs
Resolution	4096
Operation Temperature	-10℃～60℃/14℉～140℃
Physical Spec
Shaft	Dual	Single
Travel Angel	180º (RP8-A41) 270º (RP8-A44)	180º (HP8-A41) 270º (HP8-A44)
Dimensions	40x40x20 (mm)	40x40x20 (mm)
Weight	66g	67g
Motor	Coreless
Position Sensor	Potentiometer
Gears	Full Metal Gears
Output Shaft	Standard Spline 25T / Stainless
Gear Ratio	273:1
Output Shaft Support	Dual-Bearing
Case Materials	CNC Aluminum (Middle Case) Engineering Plastic (Top/Bottom)
Interface	PH2.0 (Both Sides)
Programmable Parameters (factory default setting)*
Overload Protection	3sec
Overheating Protection	80℃/176℉
Voltage Protection	<5.9V or >8.5V
Neutral Point Recalibration	0º=1500µs
Soft Start	Off
Rotation Direction	Clockwise With PWM Increase
Fail Safe	Locked
PWM Pulse Width Range	500～2500µs
Programmer (sold separately)
Model	SC-03
Features	Customize the Parameters of Programmable XX8-Axx Series Servos Test Settings Prior to Servo Installation Save and Load Servo Parameter Files and Restore the Factory Default Files
What’s Included
Master Hub Horn (25T)       1pcs Slave Hub Horn                         1pcs M3.0*6                                           1pcs M2.0*5                                        16pcs PB2.0*5                                         6pcs PH2.0-JR Cable (20cm)       1pcs

* Modified with the Programmer SC-03. Some functions need to be restored after power on.

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Downloads

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• 调试软件下载（Windows）
• 调试软件使用手册
• 舵机3D/CAD图纸
• 舵盘3D/CAD图纸

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