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- MPL-A310P-MJ72AA
- Servo Motor
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- 2.7 kg
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Product Overview
The Allen-Bradley MPL-A310P-MJ72AA Servo Motor is a premium MP-Series Low-Inertia Brushless AC Rotary Servo Motor designed for high-performance industrial motion control applications. As a member of the Rockwell Automation MP-Series servo motor family, this motor delivers exceptional positioning accuracy, rapid response, and reliable torque output for demanding automation systems.
The MPL-A310P-MJ72AA 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 multi-turn high-resolution absolute encoder, a keyed shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and no integrated holding brake. The multi-turn absolute encoder preserves position information even after power loss, eliminating the need for homing during machine startup and improving production efficiency.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the motor provides highly accurate closed-loop position, speed, and torque control. Its low-inertia rotor allows rapid acceleration and deceleration while maintaining outstanding motion stability and repeatability.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310P-MJ72AA is widely used in robotics, CNC machining centers, semiconductor manufacturing, packaging equipment, electronics assembly, automated material handling systems, printing machinery, and precision production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310P-MJ72AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| 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 | Multi-Turn High-Resolution Absolute Encoder |
| Shaft Type | Keyed Shaft |
| Holding Brake | None |
| Connector Type | SpeedTEC Right-Angle 180° Rotatable DIN Connector |
| Mounting | IEC Metric Flange |
| Cooling Method | Natural Air Cooling |
| Dimensions | Frame Size: 100 mm |
| Weight | Approximately 2.7 kg |
Function and Working Principle
The Allen-Bradley MPL-A310P-MJ72AA converts electrical energy supplied by a compatible servo drive into precise rotary motion while continuously transmitting multi-turn absolute encoder feedback for advanced closed-loop motion control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310P-MJ72AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- Precision position control
- High-speed speed regulation
- Stable torque output
- Multi-turn absolute position feedback
- Rapid acceleration and deceleration
- Multi-axis synchronization
- Immediate position recognition after power-up
- High positioning repeatability
The multi-turn absolute encoder stores shaft position over multiple revolutions, reducing machine startup time and increasing operational efficiency.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310P-MJ72AA serves as a precision rotary actuator responsible for converting electronic motion commands into controlled mechanical movement.
Its primary functions include:
- Closed-loop position control
- Precision speed regulation
- Stable torque production
- Multi-turn absolute encoder feedback
- High-speed synchronization
- Continuous-duty operation
- Fast dynamic response
- Reliable long-term performance
The keyed shaft configuration ensures secure torque transmission while maintaining excellent mechanical reliability.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Cartoning systems
- Wrapping equipment
- Labeling machines
- Conveyor systems
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 machine tools
- Multi-axis manufacturing systems
Electronics and Semiconductor Manufacturing
Widely used in:
- PCB assembly
- Semiconductor production
- Precision inspection systems
- Electronic component placement
- Automated manufacturing equipment
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
- Encoder cable integrity
- Motor power cable connections
- Mechanical alignment
- Shaft coupling installation
- Protective grounding
- Cooling and ventilation
- Servo parameter configuration
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.
- Configure the servo drive.
- Perform automatic motor identification.
- Configure encoder parameters.
- Optimize servo tuning.
- Test motor rotation.
- Verify positioning accuracy.
- 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-MJ72AA | Multi-Turn Absolute Encoder, Keyed Shaft | Precision automation |
| MPL-A310P-MJ74AA | Multi-Turn Absolute Encoder, Brake | Vertical-axis motion |
| MPL-A310P-HJ72AA | Incremental Encoder | General motion control |
| MPL-A310P-SJ72AA | Single-Turn Absolute Encoder | Fast positioning |
| Kinetix VP Series Servo Motors | Premium Servo Motor | Advanced automation |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC voltage class
- 5000 RPM rated speed
- Multi-turn high-resolution absolute encoder
- Keyed shaft extension
- Compact 100 mm frame size
- 25.4 mm magnet stack length
- SpeedTEC quick-connect interface
- No integrated holding brake
- Excellent positioning accuracy
- High dynamic response
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310P-MJ72AA?
The MPL-A310P-MJ72AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a multi-turn high-resolution absolute encoder and a keyed shaft for precision industrial motion control.
What is the rated operating voltage?
The motor operates on 230 V AC.
What is the rated operating speed?
The rated operating speed is 5000 RPM.
What type of encoder does the motor use?
It utilizes a multi-turn high-resolution absolute encoder, allowing the motor to retain position information through multiple shaft revolutions and after power interruptions.
Does this motor include a holding brake?
No. The MPL-A310P-MJ72AA is supplied without an integrated holding brake.
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 systems, and automated production lines.
Which servo drives are compatible?
The motor is designed for seamless integration with compatible Allen-Bradley Kinetix servo drive systems.
Conclusion
The Allen-Bradley MPL-A310P-MJ72AA 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 multi-turn high-resolution absolute encoder, and a keyed shaft, it delivers exceptional positioning accuracy, fast response, and reliable long-term operation.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix motion control systems, the MPL-A310P-MJ72AA provides an efficient and dependable solution for robotics, CNC machinery, packaging equipment, semiconductor manufacturing, material handling systems, and numerous other precision industrial automation applications.