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- MPL-A310F-HJ74AA
- Servo Motor
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- 100 mm
- 2.7 kg
- Xiamen, China
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Product Overview
The Allen-Bradley MPL-A310F-HJ74AA Servo Motor is a high-performance MP-Series Low-Inertia Brushless AC Rotary Servo Motor designed for demanding industrial motion control applications. As a member of the Rockwell Automation MP-Series servo motor family, this motor delivers precise positioning, stable torque output, and rapid dynamic response for high-speed automated machinery.
The MPL-A310F-HJ74AA features a 230 V AC voltage class, a 100 mm IEC metric frame size, a 25.4 mm magnet stack length, a 3000 RPM rated speed, a 2000-line incremental encoder, a keyed shaft, a SpeedTEC right-angle 180° rotatable DIN connector, and an integrated 24 V DC electromagnetic holding brake. This configuration is particularly suitable for vertical-axis applications where reliable load holding and accurate motion control are required.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the motor provides highly responsive closed-loop position, speed, and torque control. The low-inertia rotor minimizes settling time, enabling faster machine cycles while maintaining excellent positioning repeatability.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310F-HJ74AA is widely used in robotics, CNC machine tools, packaging machinery, semiconductor manufacturing, printing equipment, material handling systems, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310F-HJ74AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| Holding Brake Voltage | 24 V DC |
| Rated Speed | 3000 RPM |
| Frame Size | 100 mm |
| Magnet Stack Length | 25.4 mm |
| Continuous Output Power | Approximately 0.46 kW |
| Continuous Torque | Approximately 1.58 Nm |
| Peak Torque | Approximately 3.61 Nm |
| Feedback Device | 2000-Line Incremental Encoder |
| Shaft Type | Keyed Shaft |
| Holding Brake | Integrated 24 V DC Brake |
| Connector Type | SpeedTEC Right-Angle 180° Rotatable DIN Connector |
| Mounting | IEC Metric Flange |
| Cooling Method | Natural Air Cooling |
| Weight | Approximately 2.7 kg |
Function and Working Principle
The Allen-Bradley MPL-A310F-HJ74AA converts electrical energy from a compatible servo drive into highly accurate rotary motion while continuously providing incremental encoder feedback for closed-loop control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310F-HJ74AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- Executes precise positioning commands
- Maintains stable speed regulation
- Delivers continuous torque output
- Provides incremental encoder feedback
- Supports rapid acceleration and deceleration
- Activates the integrated holding brake during power loss
- Enables synchronized multi-axis motion
- Improves positioning repeatability
The integrated 24 V DC holding brake secures the motor shaft whenever servo power is removed, making the motor suitable for vertical-axis machinery and suspended-load applications.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310F-HJ74AA functions as a precision rotary actuator that converts electronic motion commands into controlled mechanical movement.
Its primary responsibilities include:
- Precision position control
- Closed-loop speed regulation
- Stable torque production
- Incremental encoder feedback
- Vertical load holding
- Multi-axis synchronization
- Continuous-duty operation
- High positioning accuracy
The combination of a low-inertia rotor and integrated holding brake provides reliable performance for demanding production environments.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Cartoning systems
- Labeling equipment
- Wrapping machines
- Conveyor automation
Robotics
Widely used in:
- Pick-and-place robots
- Assembly robots
- Material handling robots
- Six-axis robotic systems
- Automated workstations
CNC Machinery
Suitable for:
- CNC machining centers
- Milling machines
- Laser cutting equipment
- Precision machining systems
- Multi-axis machine tools
Electronics and Semiconductor Manufacturing
Applications include:
- PCB assembly
- Semiconductor production
- Precision positioning systems
- Inspection equipment
- Automated component placement
Printing and Converting
Ideal for:
- Digital printing presses
- Web handling systems
- Label production
- Paper converting machinery
- Roll-to-roll processing
Material Handling
Common applications include:
- Automated warehouses
- Conveyor systems
- Sorting equipment
- Packaging logistics
- Palletizing machinery
Installation and System Integration
Before installation, engineers should verify:
- Kinetix servo drive compatibility
- Motor voltage requirements
- Brake wiring connections
- Encoder cable integrity
- Power cable connections
- Mechanical alignment
- Shaft coupling installation
- Proper grounding
- Cooling and ventilation
Recommended Installation Procedure
- Disconnect system power.
- Mount the servo motor securely.
- Install the shaft coupling.
- Connect the motor power cable.
- Connect the encoder feedback cable.
- Connect the 24 V DC brake wiring.
- Configure the servo drive.
- Perform motor identification.
- Tune servo parameters.
- Verify brake operation.
- Test motor rotation.
- Complete commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Allen-Bradley Kinetix Servo Drive | Servo motion control |
| ControlLogix / CompactLogix PLC | Machine control |
| Motion Controller | Motion command generation |
| Servo Power Cable | Motor power supply |
| Encoder Feedback Cable | Position feedback |
| 24 V DC Brake Supply | Brake control |
| Flexible Coupling | Torque transmission |
| Planetary Gearbox | Speed reduction |
| EtherNet/IP Network | Industrial communication |
| HMI Panel | Operator interface |
Recommended Alternative Models
| Model | Product Type | Recommended Application |
|---|---|---|
| MPL-A310F-HJ74AA | Servo Motor with Incremental Encoder & Brake | Vertical-axis motion |
| MPL-A310F-HJ72AA | Servo Motor with Incremental Encoder | Horizontal-axis systems |
| MPL-A310F-EJ74AA | Servo Motor with Single-Turn Absolute Encoder & Brake | Precision positioning |
| MPL-A310F-VJ74AA | Servo Motor with Multi-Turn Absolute Encoder & Brake | Advanced motion control |
| Kinetix VP Series Servo Motors | Premium Servo Motor | High-performance automation |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC operation
- Integrated 24 V DC holding brake
- Compact 100 mm frame size
- 3000 RPM rated speed
- 2000-line incremental encoder
- 25.4 mm magnet stack length
- SpeedTEC quick-connect interface
- Excellent positioning accuracy
- Fast dynamic response
- Compatible with Allen-Bradley Kinetix servo drive systems
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310F-HJ74AA?
The MPL-A310F-HJ74AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a 2000-line incremental encoder and an integrated 24 V DC holding brake.
What is the rated operating voltage?
The servo motor operates on 230 V AC, while the holding brake requires 24 V DC.
What is the rated operating speed?
The motor has a rated operating speed of 3000 RPM.
What type of encoder does the motor use?
It features a 2000-line incremental encoder that provides accurate position and speed feedback for closed-loop motion control.
Does this motor include a holding brake?
Yes. It includes an integrated 24 V DC electromagnetic holding brake, making it suitable for vertical-axis applications.
What is the frame size?
The motor uses a 100 mm IEC metric frame size.
What is the approximate weight?
The motor weighs approximately 2.7 kg.
Which industries commonly use this servo motor?
It is widely used in robotics, CNC machining, packaging machinery, semiconductor manufacturing, electronics assembly, printing systems, and automated production equipment.
What are the benefits of the low-inertia rotor?
The low-inertia design enables faster acceleration, quicker deceleration, improved servo response, and higher machine productivity.
Which servo drives are compatible?
The MPL-A310F-HJ74AA is designed for seamless integration with compatible Allen-Bradley Kinetix servo drive systems.
Conclusion
The Allen-Bradley MPL-A310F-HJ74AA Servo Motor is a reliable MP-Series low-inertia brushless AC servo motor engineered for high-performance industrial automation. Featuring 230 V AC operation, a 100 mm frame size, 3000 RPM rated speed, a 2000-line incremental encoder, and an integrated 24 V DC holding brake, it provides excellent positioning accuracy, dependable torque delivery, and reliable load-holding capability.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix motion control systems, the MPL-A310F-HJ74AA is an ideal solution for robotics, CNC machinery, packaging equipment, and other precision industrial motion control applications.