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- MPL-A320P-MK72AA
- Servo Motor
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- 100 mm
- 3.7 kg
- Xiamen, China
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Product Overview
The Allen Bradley MPL-A320P-MK72AA Servo Motor is a high-performance low-inertia AC brushless servo motor engineered for precision motion control applications in modern industrial automation systems. As part of the renowned Allen Bradley MP-Series (MPL) servo motor family, this model delivers exceptional positioning accuracy, rapid acceleration, and smooth dynamic response, making it ideal for demanding manufacturing environments.
Designed to operate seamlessly with Allen Bradley Kinetix servo drives, the MPL-A320P-MK72AA features a 100 mm frame size, 5000 RPM rated speed, 230 V AC voltage class, and a multi-turn high-resolution absolute encoder for precise closed-loop feedback. Unlike brake-equipped models, this version is supplied without a holding brake, making it particularly suitable for applications where braking is performed mechanically or through the drive system.
Its compact design, reliable construction, and high torque density enable consistent performance in continuous-duty industrial environments such as packaging machinery, robotics, electronic assembly, CNC machining, material handling, and automated production lines.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | MPL-A320P-MK72AA |
| 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 | Multi-turn High-Resolution Absolute Encoder |
| Encoder Protocol | Hiperface |
| Shaft Type | Keyless Shaft |
| Brake | No Brake |
| Connector Type | SpeedTEC DIN Connector (Right Angle, 180° Rotatable) |
| Mounting | IEC Metric Flange Mount |
| Weight | 3.7 kg |
| Enclosure Rating | IP50 (IP66 with optional shaft seal) |
| Application | Industrial Motion Control Systems |
Function and Working Principle
The Allen Bradley MPL-A320P-MK72AA servo motor converts electrical energy into highly accurate rotary motion through a closed-loop control system. The motor works together with a compatible Kinetix servo drive, which continuously adjusts motor current according to position and speed feedback received from the built-in multi-turn absolute encoder.
During operation, the encoder constantly monitors the shaft position and transmits feedback to the servo controller. The controller compares the commanded position with the actual motor position and instantly compensates for any deviation, ensuring exceptional positioning accuracy even under changing load conditions.
The low-inertia rotor design enables rapid acceleration and deceleration while maintaining smooth torque output and excellent dynamic performance. Because this model does not include an integrated holding brake, it is particularly suitable for applications where external braking mechanisms or mechanical locking devices are already incorporated into the machine design.
Key operational characteristics include:
- High-speed motion control
- Accurate positioning
- Fast response time
- Smooth torque delivery
- Excellent repeatability
- Stable closed-loop performance
Role in Industrial Control Systems
Within industrial automation systems, the MPL-A320P-MK72AA serves as the primary actuator responsible for executing motion commands generated by PLCs, motion controllers, or servo drives.
The motor supports numerous motion control functions, including:
- Precision positioning
- Continuous rotary motion
- Electronic cam synchronization
- Multi-axis coordinated movement
- Indexing operations
- Speed and torque regulation
Its high-resolution encoder enables reliable synchronization between multiple servo axes, helping manufacturers achieve improved product quality, reduced cycle times, and increased production efficiency.
Industrial Applications
The Allen Bradley MPL-A320P-MK72AA is widely used in demanding industrial environments, including:
- Packaging and Filling Machines
- Robotics and Automation Cells
- CNC Machine Tools
- Semiconductor Manufacturing
- Pharmaceutical Equipment
- Food and Beverage Processing
- Printing and Converting Machinery
- Material Handling Systems
- Conveyor Automation
- Electronics Assembly Lines
- Textile Machinery
- Automotive Production Equipment
- Pick-and-Place Machines
- Automated Warehousing Systems
Its combination of compact dimensions and high-performance motion characteristics makes it an excellent solution for equipment requiring continuous precision movement.
Installation and System Integration
Correct installation is essential for achieving optimum performance and service life.
Recommended installation practices include:
- Mount the motor securely using the IEC metric flange.
- Align the shaft accurately with the driven load.
- Use appropriate flexible couplings to minimize mechanical stress.
- Connect power and encoder cables using the SpeedTEC connector system.
- Configure motor parameters within the Kinetix servo drive.
- Verify encoder communication before commissioning.
- Maintain adequate ventilation around the motor.
- Inspect cable routing to reduce electrical interference.
Following these installation practices helps improve positioning accuracy, minimize vibration, and maximize equipment reliability.
Compatible System Components
The MPL-A320P-MK72AA 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 Motor Power Cables
- MP-Series Feedback Cables
- Motion Interface Modules
- Precision Planetary Gearboxes
Together, these components create a complete high-performance motion control solution suitable for complex industrial automation systems.
Recommended Alternative Models
Depending on machine performance requirements, the following Allen Bradley servo motors may also be considered:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| MPL-A320P-MJ72AA | AC Servo Motor | Keyed Shaft, No Brake | General Motion Control |
| MPL-A320P-MJ74AA | AC Servo Motor | Keyed Shaft with Holding Brake | Vertical Axis Applications |
| MPL-B320P-MK72AA | AC Servo Motor | 460 V AC Version | Heavy Industrial Systems |
| MPL-B320P-MJ74AA | AC Servo Motor | 460 V with Holding Brake | High-Load Machinery |
| MPL-A330P-MK72AA | AC Servo Motor | Higher Torque Output | Robotics and Packaging |
Key Advantages
- Compact 100 mm frame design
- Low-inertia rotor for rapid acceleration
- High-resolution multi-turn absolute encoder
- Rated speed up to 5000 RPM
- Keyless shaft for precision coupling
- No holding brake for flexible machine integration
- Excellent positioning accuracy and repeatability
- Compatible with Allen Bradley Kinetix motion systems
- Reliable continuous-duty industrial performance
- Ideal for multi-axis automation applications
Technical FAQs
What is the primary function of the MPL-A320P-MK72AA?
It provides precise rotary motion for industrial equipment operating in closed-loop servo control systems.
Does this model include a holding brake?
No. The MPL-A320P-MK72AA is designed without an integrated holding brake, making it suitable for machines that use external braking solutions.
Which servo drives are compatible?
The motor is designed for compatibility with a wide range of Allen Bradley Kinetix servo drive families, providing accurate motion control and reliable system integration.
Conclusion
The Allen Bradley MPL-A320P-MK72AA Servo Motor is a reliable and high-performance motion control solution developed for precision industrial automation. Featuring a 100 mm frame size, 230 V AC operation, 5000 RPM rated speed, 1.3 kW output, keyless shaft, and a multi-turn high-resolution absolute encoder, it delivers exceptional positioning accuracy, rapid response, and long-term operational reliability.
Whether integrated into robotic systems, packaging equipment, CNC machinery, semiconductor manufacturing lines, or automated production systems, the MPL-A320P-MK72AA provides the precision, efficiency, and durability required to support modern industrial motion control applications while maximizing machine productivity and system performance.