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- 2.7 kg
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Product Overview
The Allen-Bradley MPL-A310P-HJ74AA Servo Motor is a premium MP-Series Low-Inertia Brushless AC Rotary Servo Motor engineered for high-speed industrial motion control applications. As part of the Rockwell Automation MP-Series servo motor family, this model delivers exceptional positioning accuracy, rapid dynamic response, and dependable torque output for demanding automation systems. The motor is designed to operate seamlessly with Allen-Bradley Kinetix servo drives, providing high-performance closed-loop control for modern manufacturing equipment.
The MPL-A310P-HJ74AA features a 230 V AC voltage class, a 100 mm IEC metric frame size, a 25.4 mm magnet stack length, a 5000 RPM rated speed, a 2000-line incremental encoder, a keyed shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and an integrated 24 V DC electromagnetic holding brake. The holding brake securely maintains shaft position when power is removed, making the motor especially suitable for vertical-axis machinery and applications requiring safe load retention.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310P-HJ74AA is widely used in robotics, CNC machining centers, packaging equipment, semiconductor manufacturing, printing machinery, material handling systems, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310P-HJ74AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| Brake Voltage | 24 V DC |
| Rated Speed | 5000 RPM |
| Continuous Output Power | Approximately 0.73 kW |
| Continuous Torque | Approximately 1.58 Nm |
| Peak Torque | Approximately 3.61 Nm |
| Frame Size | 100 mm |
| Magnet Stack Length | 25.4 mm |
| Feedback Device | 2000-Line Incremental Encoder |
| Shaft Type | Keyed Shaft |
| Holding Brake | Integrated 24 V DC Electromagnetic 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-A310P-HJ74AA converts electrical power supplied by a compatible servo drive into precise rotary motion while continuously transmitting incremental encoder feedback for accurate closed-loop motion control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310P-HJ74AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- High-speed position control
- Precise speed regulation
- Continuous torque output
- Incremental encoder feedback
- Rapid acceleration and deceleration
- Multi-axis synchronization
- Automatic brake engagement during power loss
- Excellent positioning repeatability
The integrated 24 V DC holding brake prevents unintended shaft movement whenever servo power is removed, improving operational safety and supporting reliable vertical-axis positioning.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310P-HJ74AA serves as a precision rotary actuator that converts electronic motion commands into controlled mechanical movement.
Its primary functions include:
- Precision positioning
- Closed-loop speed regulation
- Stable torque production
- Incremental encoder feedback
- High-speed synchronization
- Vertical load holding
- Continuous-duty operation
- Reliable long-term performance
The combination of an incremental encoder and an integrated holding brake makes the motor well suited for applications requiring both fast motion and secure stopping capability.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Cartoning systems
- Wrapping equipment
- Labeling machines
- Conveyor automation
Robotics
Suitable for:
- Pick-and-place robots
- Six-axis robotic systems
- Assembly robots
- Material handling robots
- Automated workstations
CNC Machinery
Common applications include:
- CNC machining centers
- Milling machines
- Laser cutting equipment
- Precision machining systems
- Multi-axis manufacturing cells
Electronics and Semiconductor Manufacturing
Widely used in:
- PCB assembly
- Semiconductor production
- Automated inspection equipment
- Precision positioning systems
- Electronic component assembly
Material Handling
Ideal for:
- Automated warehouses
- Conveyor systems
- Sorting equipment
- Packaging logistics
- Palletizing machinery
Installation and System Integration
Before installation, engineers should verify:
- Compatibility with Allen-Bradley Kinetix servo drives
- Motor voltage specifications
- 24 V DC brake wiring
- Encoder cable integrity
- Power cable connections
- Mechanical alignment
- Shaft coupling installation
- Protective grounding
- Cooling and ventilation
Recommended Installation Procedure
- Disconnect system power.
- Securely mount the servo motor.
- Install the keyed shaft coupling.
- Connect the motor power cable.
- Connect the encoder feedback cable.
- Connect the 24 V DC brake wiring.
- Configure the servo drive.
- Perform automatic motor identification.
- Configure encoder parameters.
- Verify brake operation.
- Test motor rotation.
- Complete commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Allen-Bradley Kinetix Servo Drive | Servo motion control |
| ControlLogix PLC | Machine controller |
| CompactLogix PLC | Automation controller |
| Motion Controller | Motion command generation |
| Servo Power Cable | Motor power supply |
| Encoder Feedback Cable | Position feedback |
| Flexible Shaft Coupling | Torque transmission |
| Planetary Gearbox | Speed reduction |
| EtherNet/IP Network | Industrial communication |
| HMI Panel | Operator interface |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| MPL-A310P-HJ74AA | Incremental Encoder, Keyed Shaft, Brake | Vertical-axis motion control |
| MPL-A310P-HJ72AA | Incremental Encoder, Keyed Shaft | General automation |
| MPL-A310P-MJ74AA | Multi-Turn Absolute Encoder, Brake | High-precision positioning |
| MPL-A310P-SJ74AA | Single-Turn Absolute Encoder, Brake | Fast positioning systems |
| Kinetix VP Series Servo Motors | Advanced Servo Motor | Intelligent motion control |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC voltage class
- 5000 RPM rated speed
- 2000-line incremental encoder
- Integrated 24 V DC holding brake
- Keyed shaft extension
- 100 mm IEC frame size
- 25.4 mm magnet stack length
- SpeedTEC quick-connect interface
- Excellent dynamic response
- High positioning repeatability
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310P-HJ74AA?
The MPL-A310P-HJ74AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a 2000-line incremental encoder, a keyed shaft, and an integrated 24 V DC holding brake.
What is the rated operating voltage?
The motor operates on 230 V AC, while the holding brake is powered by 24 V DC.
What is the rated operating speed?
The rated operating speed is 5000 RPM.
What type of feedback device does the motor use?
It uses a 2000-line incremental encoder for accurate position and speed feedback.
Does this motor include a holding brake?
Yes. The motor includes an integrated 24 V DC electromagnetic holding brake for reliable load retention during power-off conditions.
What type of shaft does the motor use?
The motor features a keyed shaft extension for secure mechanical torque transmission.
What is the frame size?
The motor features 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, material handling, and automated production systems.
Which servo drives are compatible?
The MPL-A310P-HJ74AA is designed for compatibility with Allen-Bradley Kinetix servo drive systems, enabling reliable high-performance motion control.
Conclusion
The Allen-Bradley MPL-A310P-HJ74AA Servo Motor is a high-performance MP-Series low-inertia brushless AC servo motor developed for demanding industrial automation applications. Featuring 230 V AC operation, a 5000 RPM rated speed, a 100 mm frame size, a 25.4 mm magnet stack length, a 2000-line incremental encoder, a keyed shaft, and an integrated 24 V DC holding brake, it delivers outstanding positioning accuracy, rapid response, and dependable load-holding capability.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix motion control systems, the MPL-A310P-HJ74AA provides an efficient and reliable solution for robotics, CNC equipment, packaging machinery, semiconductor manufacturing, and a broad range of high-performance industrial automation applications.