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- MPL-A320P-MJ74AA
- Servo Motor
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- 100 mm
- 3.7 kg
- Xiamen, China
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Product Overview
The Allen Bradley MPL-A320P-MJ74AA Servo Motor is a high-performance low-inertia AC brushless servo motor developed for demanding industrial motion control applications. As a member of the Allen Bradley MP-Series servo motor family, this model is engineered to provide outstanding positioning accuracy, rapid acceleration, and stable torque output while maintaining long-term operational reliability.
Designed for integration with Allen Bradley Kinetix servo drive systems, the MPL-A320P-MJ74AA delivers smooth and precise motion control for high-speed automation equipment. The motor incorporates a 100 mm frame size, high-resolution multi-turn absolute encoder, and an integrated 24 V DC holding brake, making it suitable for applications that require exceptional positioning precision and repeatability.
Its compact construction and rugged industrial design enable reliable operation in continuous-duty manufacturing environments, including packaging machinery, robotics, CNC equipment, electronic assembly, material handling systems, printing machinery, pharmaceutical production lines, and automated manufacturing facilities.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | MPL-A320P-MJ74AA |
| 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 |
| Feedback Protocol | Hiperface |
| Shaft Type | Keyed Shaft |
| Brake | Integrated 24 V DC Holding Brake |
| Connector Type | SpeedTEC DIN Connector |
| Mounting | IEC Metric Flange Mount |
| Weight | 3.7 kg |
| Operating Temperature | Up to 40°C |
| Application | Industrial Motion Control Systems |
Function and Working Principle
The Allen Bradley MPL-A320P-MJ74AA converts electrical energy supplied by a compatible servo drive into precise rotary motion. During operation, the servo drive continuously controls motor current while receiving real-time position and speed feedback from the integrated absolute encoder.
Unlike conventional induction motors, this servo motor forms a closed-loop control system capable of automatically correcting positioning errors within milliseconds. The encoder continuously monitors shaft position, allowing the controller to adjust motor output instantly whenever load conditions change.
The integrated holding brake secures the motor shaft whenever the machine is stopped or power is removed, preventing unwanted movement and improving operational safety.
Its low rotor inertia allows the motor to achieve:
- High-speed acceleration and deceleration
- Excellent positioning accuracy
- Stable torque output
- Smooth motion control
- Fast dynamic response
- High repeatability
These characteristics make the motor ideal for precision automation where exact motion synchronization is critical.
Role in Industrial Control Systems
Within industrial automation systems, the MPL-A320P-MJ74AA functions as the primary motion actuator responsible for executing positioning commands from motion controllers and PLC systems.
The servo motor enables:
- High-speed indexing
- Precision positioning
- Electronic cam control
- Multi-axis synchronization
- Continuous rotary motion
- Closed-loop speed regulation
When combined with Allen Bradley Kinetix servo drives and Logix controllers, it forms an advanced motion control platform capable of delivering high productivity and exceptional machine accuracy.
Industrial Applications
The Allen Bradley MPL-A320P-MJ74AA is widely used throughout numerous industrial sectors, including:
- Packaging Machinery
- Food and Beverage Processing
- Pharmaceutical Manufacturing
- Electronics Assembly
- Automotive Production
- Robotics
- CNC Machine Tools
- Semiconductor Equipment
- Printing Machinery
- Textile Manufacturing
- Material Handling Systems
- Conveyor Automation
- Pick-and-Place Machines
- Automated Warehousing
- Precision Manufacturing Equipment
Its combination of compact size, high torque density, and accurate motion control makes it suitable for both new equipment and retrofit automation projects.
Installation and System Integration
Proper installation is essential to maximize performance and service life.
Recommended installation procedures include:
- Secure the motor using the IEC metric flange mounting.
- Align the motor shaft accurately with the driven load.
- Install appropriate flexible couplings where required.
- Connect the SpeedTEC power and feedback connectors securely.
- Configure the encoder parameters within the motion controller.
- Verify correct brake operation before machine startup.
- Ensure sufficient cabinet ventilation and ambient cooling.
- Inspect cable routing to minimize electrical interference.
Following proper commissioning procedures helps improve positioning accuracy while reducing vibration and mechanical wear.
Compatible System Components
The MPL-A320P-MJ74AA typically operates together 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
- Industrial Servo Gearboxes
Together, these components provide a complete motion control solution capable of achieving high-speed synchronization, accurate positioning, and reliable industrial automation.
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 | Absolute Encoder | General Motion Control |
| MPL-A320P-MK74AA | AC Servo Motor | Keyless Shaft | High-Precision Equipment |
| MPL-B320P-MJ74AA | AC Servo Motor | 460 V Version | Heavy Industrial Systems |
| MPF-A320P-MJ74BA | Food Grade Servo Motor | Stainless Construction | Food & Beverage Industry |
| MPL-A330P-MJ74AA | AC Servo Motor | Higher Output Torque | Robotics & Packaging |
Key Advantages
- Compact 100 mm frame design
- Low-inertia rotor for rapid response
- High-resolution multi-turn absolute encoder
- Rated speed up to 5000 RPM
- Integrated 24 V DC holding brake
- Excellent positioning accuracy and repeatability
- Smooth and stable torque output
- Compatible with Allen Bradley Kinetix motion systems
- Designed for continuous industrial operation
- Suitable for demanding multi-axis automation applications
Technical FAQs
What is the primary function of the MPL-A320P-MJ74AA?
It provides precise rotary motion for industrial machinery operating within closed-loop servo control systems.
Which servo drives are compatible?
The motor is designed for use with multiple Allen Bradley Kinetix servo drive families, providing reliable performance across a wide range of motion control applications.
Does this servo motor include a holding brake?
Yes. The motor is equipped with an integrated 24 V DC holding brake that maintains shaft position when the machine is stopped or power is removed.
Conclusion
The Allen Bradley MPL-A320P-MJ74AA Servo Motor is a high-performance industrial motion control solution engineered for precision, speed, and long-term reliability. Featuring a compact 100 mm frame, 5000 RPM rated speed, 1.3 kW continuous output, multi-turn absolute encoder, and an integrated holding brake, it delivers exceptional positioning accuracy for modern automated equipment.
Whether installed in robotics, packaging systems, CNC machinery, electronic manufacturing, or high-speed production lines, the MPL-A320P-MJ74AA provides dependable motion performance while supporting efficient machine operation and increased production productivity. Its compatibility with Allen Bradley Kinetix motion platforms makes it an excellent choice for advanced industrial automation systems.