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Product Overview
The Allen-Bradley MPL-A310F-MK72AA Servo Motor is a high-performance MP-Series Low-Inertia Brushless AC Rotary Servo Motor designed for demanding industrial motion control applications. As part of the Rockwell Automation MP-Series servo motor family, this model provides exceptional positioning accuracy, rapid dynamic response, and reliable torque output for modern automated machinery.
The MPL-A310F-MK72AA 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 high-resolution multi-turn absolute encoder, a keyless shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and no integrated holding brake. The multi-turn absolute encoder retains shaft position information across multiple revolutions, while the keyless shaft design provides secure and precise torque transmission when used with friction-lock couplings.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the motor delivers high-performance closed-loop position, speed, and torque control. Its low-inertia rotor minimizes settling time and enables 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-MK72AA is widely used in robotics, CNC machinery, semiconductor manufacturing, packaging equipment, electronics assembly, material handling systems, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310F-MK72AA |
| 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 | 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 | Multi-Turn High-Resolution Absolute Encoder |
| Shaft Type | Keyless Shaft |
| Holding Brake | None |
| 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-MK72AA converts electrical energy supplied by a compatible servo drive into precise rotary motion while continuously transmitting multi-turn absolute encoder feedback for closed-loop servo control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310F-MK72AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- Executes high-precision positioning
- Maintains stable speed regulation
- Delivers continuous torque output
- Provides multi-turn absolute position feedback
- Eliminates homing after power restoration
- Supports rapid acceleration and deceleration
- Enables synchronized multi-axis motion
- Improves positioning repeatability and production efficiency
The low-inertia rotor combined with the multi-turn absolute encoder enables highly responsive and accurate motion control for continuous industrial operation.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310F-MK72AA serves as a precision rotary actuator that converts electronic motion commands into controlled mechanical movement.
Its primary functions include:
- Precision position control
- Closed-loop speed regulation
- Stable torque production
- Multi-turn absolute encoder feedback
- High-speed servo response
- Multi-axis synchronization
- Continuous-duty operation
- Accurate repeatable positioning
The keyless shaft design provides reliable torque transmission while simplifying installation with precision locking assemblies.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Cartoning systems
- Wrapping equipment
- Labeling machines
- Conveyor automation
Robotics
Suitable for:
- Pick-and-place robots
- Assembly robots
- Material handling robots
- Six-axis robotic systems
- Automated workstations
CNC Machinery
Common applications include:
- CNC machining centers
- Milling machines
- Laser cutting systems
- Precision machining equipment
- Multi-axis manufacturing cells
Electronics and Semiconductor Manufacturing
Widely used in:
- PCB assembly
- Semiconductor production
- Automated inspection systems
- Precision positioning equipment
- Electronic component placement
Material Handling
Suitable 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 requirements
- Encoder cable integrity
- Motor power cable connections
- Mechanical alignment
- Keyless coupling installation
- Protective grounding
- Cooling and ventilation
- Servo parameter configuration
Recommended Installation Procedure
- Disconnect system power.
- Mount the servo motor securely.
- Install the keyless shaft coupling.
- Connect the motor power cable.
- Connect the encoder feedback cable.
- Configure the Kinetix servo drive.
- Perform automatic motor identification.
- Configure encoder parameters.
- Tune servo performance.
- Test motor rotation.
- Verify positioning accuracy.
- Complete system commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Allen-Bradley Kinetix Servo Drive | Servo motion control |
| ControlLogix PLC | Machine control |
| CompactLogix PLC | Automation controller |
| Motion Controller | Motion command generation |
| Servo Power Cable | Motor power supply |
| Absolute Encoder Cable | Position feedback |
| Keyless 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-A310F-MK72AA | Multi-Turn Absolute Encoder, Keyless Shaft | Precision automation |
| MPL-A310F-MK74AA | Multi-Turn Absolute Encoder, Keyless Shaft & Brake | Vertical-axis applications |
| MPL-A310F-MJ72AA | Multi-Turn Absolute Encoder, Keyed Shaft | General industrial machinery |
| MPL-A310F-HK72AA | Incremental Encoder, Keyless Shaft | Standard servo applications |
| Kinetix VP Series Servo Motors | Premium Servo Motor | Advanced industrial automation |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC operation
- High-resolution multi-turn absolute encoder
- Keyless shaft configuration
- Compact 100 mm frame size
- 3000 RPM rated speed
- 25.4 mm magnet stack length
- SpeedTEC quick-connect interface
- Eliminates homing after power restoration
- Excellent positioning accuracy
- Fast dynamic response
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310F-MK72AA?
The MPL-A310F-MK72AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a multi-turn high-resolution absolute encoder and a keyless 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 3000 RPM.
What type of encoder does the motor use?
It uses a multi-turn high-resolution absolute encoder, allowing the controller to retain shaft position across multiple revolutions without requiring a homing sequence after power restoration.
Does this motor include a holding brake?
No. The MPL-A310F-MK72AA is supplied without an integrated holding brake.
What type of shaft does the motor use?
The motor features a keyless shaft extension, suitable for precision locking assemblies and high-accuracy 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, semiconductor manufacturing, packaging machinery, electronics assembly, material handling, and automated production systems.
Which servo drives are compatible?
The MPL-A310F-MK72AA is designed for seamless integration with compatible Allen-Bradley Kinetix servo drive systems, providing reliable high-performance motion control.
Conclusion
The Allen-Bradley MPL-A310F-MK72AA Servo Motor is a high-performance MP-Series low-inertia brushless AC servo motor engineered for demanding industrial automation applications. Featuring 230 V AC operation, a 100 mm frame size, 3000 RPM rated speed, a 25.4 mm magnet stack length, a multi-turn high-resolution absolute encoder, and a keyless shaft configuration, it delivers outstanding positioning accuracy, rapid servo response, and dependable long-term performance.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix servo drive systems, the MPL-A310F-MK72AA provides an efficient and reliable motion control solution for robotics, CNC machinery, packaging equipment, semiconductor manufacturing, and a wide range of precision industrial automation applications.