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- MPL-A320P-SK74AA
- Servo Motor
- USA
- 100 mm
- 3.7 kg
- Xiamen, China
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Product Overview
The Allen Bradley MPL-A320P-SK74AA Servo Motor is a high-performance low-inertia AC brushless servo motor developed for precision industrial motion control applications. As a member of the Allen Bradley MP-Series (MPL) servo motor family, this model is engineered to deliver outstanding positioning accuracy, rapid dynamic response, and reliable continuous-duty operation in demanding automation environments.
Designed for seamless integration with Allen Bradley Kinetix servo drive systems, the MPL-A320P-SK74AA features a 100 mm frame size, 230 V AC voltage class, 5000 RPM maximum operating speed, a single-turn high-resolution absolute encoder, a keyless shaft extension, and an integrated 24 V DC holding brake. These features enable precise closed-loop motion control while providing secure load holding during machine shutdown or power interruption.
Its compact mechanical design and high torque density make it an ideal solution for robotics, packaging equipment, CNC machining centers, semiconductor manufacturing, pharmaceutical machinery, automated assembly systems, and other industrial applications where precision, reliability, and efficiency are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | MPL-A320P-SK74AA |
| Product Series | MP-Series MPL |
| Product Type | AC Brushless Rotary Servo Motor |
| Voltage Class | 230 V AC |
| Frame Size | 100 mm |
| Magnet Stack Length | 50.8 mm (2.0 in.) |
| Maximum 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 | Integrated 24 V DC Holding Brake |
| Connector Type | SpeedTEC DIN Connector, Right Angle, 180° Rotatable |
| Mounting | IEC Metric, Free Mounting Holes (Type FF) |
| Enclosure Rating | IP50 (IP66 with optional shaft seal) |
| Weight | 3.7 kg |
| Cooling Method | Natural Air Cooling |
| Application | Industrial Motion Control Systems |
Function and Working Principle
The Allen Bradley MPL-A320P-SK74AA servo motor converts electrical energy supplied by a compatible Kinetix servo drive into highly accurate rotary motion through an advanced closed-loop control system. The servo drive continuously regulates current and torque while receiving real-time feedback from the integrated single-turn absolute encoder.
The encoder constantly monitors shaft position and rotational speed, transmitting this information to the motion controller. The controller compares the commanded position with the actual position and immediately adjusts motor output to eliminate positioning errors, ensuring excellent accuracy, smooth speed regulation, and stable torque delivery.
The integrated 24 V DC holding brake automatically secures the motor shaft when electrical power is removed, preventing unintended movement and improving machine safety in vertical-axis or suspended-load applications.
The low-inertia rotor provides several operational advantages, including:
- Rapid acceleration and deceleration
- High positioning precision
- Smooth torque output
- Fast dynamic response
- Excellent repeatability
- Stable closed-loop motion control
These characteristics make the MPL-A320P-SK74AA an excellent choice for demanding industrial automation systems requiring high-speed precision motion.
Role in Industrial Control Systems
Within industrial automation systems, the MPL-A320P-SK74AA serves as the primary motion actuator responsible for executing positioning commands generated by PLCs, motion controllers, and servo drives.
The motor supports numerous motion control functions, including:
- Precision positioning
- Speed regulation
- Torque control
- Electronic cam synchronization
- Multi-axis coordinated motion
- Indexing operations
Its high-resolution feedback system allows multiple servo axes to operate in perfect synchronization, improving machine accuracy, production efficiency, and product consistency.
Industrial Applications
The Allen Bradley MPL-A320P-SK74AA is widely used across a variety of industrial sectors, including:
- Packaging and Filling Machinery
- Robotics and Automation Systems
- CNC Machine Tools
- Semiconductor Manufacturing
- Electronics Assembly Equipment
- Pharmaceutical Processing Machinery
- Food and Beverage Production
- Printing and Converting Equipment
- Material Handling Systems
- Conveyor Automation
- Pick-and-Place Machines
- Textile Machinery
- Automotive Manufacturing
- Warehouse Automation
- Precision Manufacturing Equipment
Its integrated holding brake makes it particularly suitable for vertical-axis applications where secure load retention is required.
Installation and System Integration
Proper installation is essential for achieving maximum performance and long-term reliability.
Recommended installation procedures include:
- Mount the motor securely using the IEC metric flange.
- Align the shaft accurately with the driven mechanism.
- Install precision flexible couplings to minimize mechanical stress.
- Connect power and encoder cables using the SpeedTEC connector system.
- Configure motor parameters within the compatible Kinetix servo drive.
- Verify encoder communication before commissioning.
- Test holding brake operation prior to machine startup.
- Ensure adequate cooling and ventilation around the motor.
- Separate signal cables from high-voltage wiring to minimize electrical interference.
Following these installation practices improves positioning accuracy, reduces vibration, and extends equipment service life.
Compatible System Components
The MPL-A320P-SK74AA 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 provide a complete and highly reliable motion control platform capable of delivering accurate positioning, synchronized movement, and stable industrial automation performance.
Recommended Alternative Models
Depending on machine requirements and encoder configurations, the following Allen Bradley servo motors may also be considered:
| Model | Type | Key Feature | Application |
|---|---|---|---|
| MPL-A320P-SK72AA | AC Servo Motor | Single-turn Encoder, No Brake | General Motion Control |
| MPL-A320P-SJ74AA | AC Servo Motor | Single-turn Encoder, Keyed Shaft | Vertical Axis Systems |
| MPL-A320P-MK74AA | AC Servo Motor | Multi-turn Encoder, Keyless Shaft | High-Precision Automation |
| MPL-A320P-MJ74AA | AC Servo Motor | Multi-turn Encoder, Keyed Shaft | Advanced Motion Control |
| MPL-B320P-SK74AA | AC Servo Motor | 460 V AC Version | Heavy Industrial Applications |
Key Advantages
- Compact 100 mm frame design
- Low-inertia rotor for rapid dynamic response
- Single-turn high-resolution absolute encoder
- Integrated 24 V DC holding brake
- Keyless shaft extension for precision coupling
- Maximum operating speed of 5000 RPM
- Excellent positioning accuracy and repeatability
- Smooth torque output under varying load conditions
- Fully compatible with Allen Bradley Kinetix motion systems
- Designed for reliable continuous industrial operation
Technical FAQs
What is the primary function of the MPL-A320P-SK74AA?
It provides precise rotary motion for industrial automation equipment operating within closed-loop servo control systems.
Does this model include a holding brake?
Yes. The MPL-A320P-SK74AA is equipped with an integrated 24 V DC holding brake that securely maintains shaft position whenever power is removed or the machine is stopped.
Which motion control systems are compatible?
The motor is designed for use with Allen Bradley Kinetix servo drives and Logix-based motion controllers, providing reliable positioning, synchronized multi-axis motion, and high-speed industrial automation.
Conclusion
The Allen Bradley MPL-A320P-SK74AA Servo Motor is a precision-engineered motion control solution designed to meet the demands of modern industrial automation. Featuring a 100 mm frame size, 230 V AC operation, 5000 RPM maximum speed, 1.3 kW continuous output, a single-turn high-resolution absolute encoder, keyless shaft extension, and an integrated 24 V DC holding brake, it delivers exceptional positioning accuracy, fast response, and dependable long-term performance.
Whether installed in robotic workstations, packaging machinery, CNC equipment, semiconductor production lines, pharmaceutical systems, or automated manufacturing facilities, the MPL-A320P-SK74AA provides the precision, efficiency, and reliability required to maximize productivity while ensuring stable and consistent machine operation.