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- MPL-A320P-SK72AA
- Servo Motor
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- 100 mm
- 3.7 kg
- Xiamen, China
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Product Overview
The Allen Bradley MPL-A320P-SK72AA Servo Motor is a premium low-inertia AC brushless servo motor engineered for demanding industrial motion control applications. As part of the Allen Bradley MP-Series (MPL) servo motor family, this model is designed to provide exceptional positioning accuracy, fast response, and reliable continuous-duty operation in modern automated manufacturing systems.
The MPL-A320P-SK72AA features a 100 mm frame size, 230 V AC voltage class, 5000 RPM rated speed, a single-turn high-resolution absolute encoder, keyless shaft extension, and no integrated holding brake. Its low-inertia rotor design enables rapid acceleration and deceleration, allowing machines to achieve shorter cycle times while maintaining excellent positioning repeatability.
Designed for seamless integration with Allen Bradley Kinetix servo drives and Logix motion controllers, this servo motor is widely used in robotics, packaging machinery, CNC equipment, semiconductor manufacturing, electronic assembly, material handling systems, and other precision automation applications where smooth and accurate motion control is essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | MPL-A320P-SK72AA |
| Product Series | MP-Series MPL |
| Product Type | AC Brushless Servo Motor |
| Voltage Class | 230 V AC |
| Frame Size | 100 mm |
| Magnet Stack Length | 50.8 mm (2.0 in.) |
| Rated Speed | 5000 RPM |
| Continuous Rated Power | 1.3 kW |
| Continuous Stall Torque | 3.05 Nm |
| Peak Torque | 7.91 Nm |
| Feedback Type | Single-turn High-Resolution Absolute Encoder |
| Encoder Protocol | Hiperface |
| Shaft Type | Keyless Shaft Extension |
| Brake | No Brake |
| Connector Type | SpeedTEC DIN Connector, Right Angle, 180° Rotatable |
| Mounting | IEC Metric Free Mounting Holes (Type FF) |
| Frame Size | 100 mm |
| Weight | 3.7 kg |
| Protection Class | IP50 (IP66 with optional shaft seal) |
| Cooling Method | Natural Cooling |
| Application | Industrial Motion Control Systems |
Function and Working Principle
The Allen Bradley MPL-A320P-SK72AA servo motor converts electrical energy supplied by a compatible servo drive into highly accurate rotary motion through an advanced closed-loop control system. The servo drive continuously regulates motor current while receiving real-time position feedback from the built-in single-turn absolute encoder.
The encoder constantly monitors the rotor position and immediately transmits feedback information to the motion controller. The controller compares the commanded position with the actual shaft position and instantly adjusts motor output to eliminate positioning errors. This closed-loop process provides exceptional positioning precision, smooth speed regulation, and stable torque output even under rapidly changing load conditions.
Because the motor utilizes a low-inertia rotor, it responds quickly to acceleration and deceleration commands while minimizing overshoot and vibration. The absence of an integrated holding brake makes this model particularly suitable for equipment that relies on external braking systems or applications where load holding is not required.
The motor offers:
- High-speed positioning
- Rapid acceleration and deceleration
- Smooth torque delivery
- Excellent repeatability
- Stable speed control
- High dynamic response
These characteristics enable reliable operation in high-performance industrial automation systems.
Role in Industrial Control Systems
Within industrial automation systems, the MPL-A320P-SK72AA functions as the precision motion actuator responsible for converting electronic motion commands into controlled mechanical movement.
Typical motion control functions include:
- Precision positioning
- Continuous rotary motion
- Speed regulation
- Torque control
- Electronic cam synchronization
- Multi-axis coordinated motion
Its fast response and high-resolution encoder feedback allow manufacturers to improve machine accuracy, reduce production cycle times, and increase overall equipment productivity.
Industrial Applications
The Allen Bradley MPL-A320P-SK72AA is widely used in various industrial sectors, including:
- Packaging Machinery
- Robotic Automation
- CNC Machine Tools
- Semiconductor Manufacturing
- Electronics Assembly
- Pharmaceutical Equipment
- Food and Beverage Processing
- Printing Machinery
- Material Handling Systems
- Conveyor Automation
- Pick-and-Place Machines
- Textile Machinery
- Automotive Production Lines
- Warehouse Automation
- Precision Manufacturing Equipment
Its compact dimensions and reliable performance make it an excellent choice for applications requiring accurate rotary motion and continuous operation.
Installation and System Integration
Proper installation ensures optimum motor performance and long service life.
Recommended installation procedures include:
- Secure the motor using the IEC metric mounting flange.
- Align the shaft precisely with the driven equipment.
- Install suitable flexible couplings to minimize mechanical stress.
- Connect power and encoder cables using the SpeedTEC connector system.
- Configure servo parameters within the compatible Kinetix drive.
- Verify encoder communication before commissioning.
- Maintain adequate cooling and ventilation.
- Separate motor wiring from high-voltage cables to reduce electrical interference.
Correct commissioning improves positioning accuracy, minimizes vibration, and enhances long-term operational reliability.
Compatible System Components
The MPL-A320P-SK72AA is commonly integrated with:
- Allen Bradley Kinetix 2000 Servo Drives
- Allen Bradley Kinetix 300 Servo Drives
- Allen Bradley Kinetix 350 Servo Drives
- Allen Bradley Kinetix 5500 Servo Drives
- Allen Bradley Kinetix 6000 Servo Drives
- Allen Bradley Kinetix 6200 Servo Drives
- Allen Bradley Kinetix 6500 Servo Drives
- Allen Bradley Kinetix 7000 Servo Drives
- Allen Bradley ControlLogix Controllers
- Allen Bradley CompactLogix Controllers
- Allen Bradley GuardLogix Controllers
- MP-Series Power Cables
- MP-Series Feedback Cables
- Motion Interface Modules
- Precision Planetary Gearboxes
Together, these components provide a complete motion control platform capable of delivering accurate positioning, synchronized motion, and reliable industrial automation.
Recommended Alternative Models
Depending on application requirements, the following Allen Bradley servo motors may also be considered:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| MPL-A320P-SJ72AA | AC Servo Motor | Single-turn Encoder, Keyed Shaft | Standard Motion Control |
| MPL-A320P-SJ74AA | AC Servo Motor | Single-turn Encoder with Holding Brake | Vertical Axis Applications |
| MPL-A320P-MK72AA | AC Servo Motor | Multi-turn Encoder, Keyless Shaft | High-Precision Automation |
| MPL-A320P-MK74AA | AC Servo Motor | Multi-turn Encoder with Holding Brake | Heavy-Duty Motion Systems |
| MPL-B320P-SK72AA | AC Servo Motor | 460 V AC Version | High-Power Industrial Equipment |
Key Advantages
- Compact 100 mm frame design
- High-performance low-inertia rotor
- Single-turn high-resolution absolute encoder
- Keyless shaft extension for precision coupling
- No holding brake for flexible machine configurations
- Rated speed up to 5000 RPM
- Excellent positioning accuracy and repeatability
- Smooth torque output with rapid dynamic response
- Fully compatible with Allen Bradley Kinetix motion systems
- Designed for continuous industrial operation
Technical FAQs
What is the primary function of the MPL-A320P-SK72AA?
It provides precise rotary motion for industrial equipment operating within closed-loop servo control systems.
Does this model include an integrated holding brake?
No. The MPL-A320P-SK72AA is supplied without a holding brake and is intended for applications where braking is provided externally or is not required.
Which control systems are compatible?
The motor is designed to operate with Allen Bradley Kinetix servo drives and Logix-based motion control platforms, providing reliable positioning, synchronized motion, and high-speed industrial automation.
Conclusion
The Allen Bradley MPL-A320P-SK72AA Servo Motor is a high-performance industrial motion control solution designed for applications requiring precise positioning, fast dynamic response, and dependable long-term operation. Featuring a 100 mm frame size, 230 V AC operation, 5000 RPM rated speed, 1.3 kW continuous output, a single-turn high-resolution absolute encoder, and a keyless shaft extension without an integrated brake, it delivers outstanding performance for demanding automation systems.
Whether installed in robotic workstations, packaging machinery, CNC equipment, semiconductor manufacturing lines, electronic assembly systems, or automated production facilities, the MPL-A320P-SK72AA provides the precision, efficiency, and reliability required to maximize machine performance and productivity.