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Product Overview
The Allen-Bradley MPL-A310P-SK72AA Servo Motor is a premium MP-Series Low-Inertia Brushless AC Rotary Servo Motor engineered for demanding industrial motion control applications. As part of the Rockwell Automation MP-Series servo motor family, this model delivers exceptional positioning accuracy, fast dynamic response, and reliable torque performance for high-speed automated machinery. The motor features 230 V AC operation, a 100 mm frame size, a 25.4 mm magnet stack length, a 5000 RPM rated speed, a single-turn high-resolution absolute encoder, a keyless shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and no integrated holding brake. These specifications align with the standard configuration of the MPL-A310P-SK72AA model.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the MPL-A310P-SK72AA provides highly accurate closed-loop position, speed, and torque control. The single-turn absolute encoder enables immediate position recognition after power-up within one shaft revolution, eliminating routine homing procedures and improving machine productivity. The keyless shaft design enhances concentricity while ensuring reliable torque transmission through precision locking assemblies.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310P-SK72AA is widely used in robotics, CNC machine tools, semiconductor manufacturing, packaging equipment, electronics assembly, printing machinery, and automated material handling systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310P-SK72AA |
| 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 | Single-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 |
| Dimensions | Frame Size: 100 mm |
| Weight | Approximately 2.7 kg |
Function and Working Principle
The Allen-Bradley MPL-A310P-SK72AA converts electrical energy supplied by a compatible servo drive into precise rotary motion while continuously transmitting single-turn absolute encoder feedback for advanced closed-loop servo control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310P-SK72AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- Precision position control
- Accurate speed regulation
- Stable torque output
- Single-turn absolute encoder feedback
- Rapid acceleration and deceleration
- Multi-axis synchronization
- Immediate position recognition after power restoration
- Excellent positioning repeatability
The single-turn encoder stores the exact shaft position within one mechanical revolution, reducing startup time and improving machine efficiency. The keyless shaft minimizes backlash and enhances transmission accuracy.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310P-SK72AA functions as a precision rotary actuator that converts electronic motion commands into accurate mechanical movement.
Its primary functions include:
- Closed-loop position control
- Precision speed regulation
- Stable torque production
- Single-turn absolute encoder feedback
- High-speed synchronization
- Continuous-duty operation
- Fast dynamic response
- Long-term operational reliability
The keyless shaft design provides excellent concentricity and secure torque transmission, making the motor suitable for precision industrial applications.
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 systems
- Precision grinding machines
- Multi-axis manufacturing equipment
Electronics and Semiconductor Manufacturing
Widely used in:
- PCB assembly
- Semiconductor production
- Precision inspection equipment
- Electronic component placement
- Automated manufacturing systems
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
- Keyless shaft coupling installation
- Protective grounding
- Cooling and ventilation
- Servo parameter configuration
Recommended Installation Procedure
- Disconnect system power.
- Securely mount the servo motor.
- Install the keyless 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 |
| 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-A310P-SK72AA | Single-Turn Absolute Encoder, Keyless Shaft | High-speed precision motion |
| MPL-A310P-SK74AA | Single-Turn Absolute Encoder, Keyless Shaft, Brake | Vertical-axis automation |
| MPL-A310P-MK72AA | Multi-Turn Absolute Encoder, Keyless Shaft | Complex positioning |
| MPL-A310P-HK72AA | Incremental Encoder, Keyless Shaft | General motion control |
| Kinetix VP Series Servo Motors | Premium Servo Motor | Advanced industrial automation |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC voltage class
- 5000 RPM rated speed
- Single-turn high-resolution absolute encoder
- Keyless shaft extension
- Compact 100 mm frame size
- 25.4 mm magnet stack length
- SpeedTEC quick-connect connector
- No integrated holding brake
- Outstanding positioning accuracy
- Excellent dynamic response
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310P-SK72AA?
The MPL-A310P-SK72AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a single-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 5000 RPM.
What type of encoder does the motor use?
It features a single-turn high-resolution absolute encoder, providing immediate absolute position feedback within one shaft revolution.
Does this motor include a holding brake?
No. The MPL-A310P-SK72AA is supplied without an integrated holding brake.
What type of shaft does the motor use?
The motor features a keyless shaft extension, providing highly accurate torque transmission through precision locking assemblies.
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, automated material handling, and high-speed production systems.
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-SK72AA Servo Motor is a premium 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 single-turn high-resolution absolute encoder, and a keyless shaft, it delivers exceptional positioning accuracy, rapid response, and dependable long-term operation.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix motion control platforms, the MPL-A310P-SK72AA provides an efficient and reliable solution for robotics, CNC machinery, semiconductor manufacturing, packaging equipment, material handling systems, and a broad range of advanced industrial automation applications.