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- MPL-A310F-MK74AA
- Servo Motor
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- 100 mm
- 2.7 kg
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Product Overview
The Allen-Bradley MPL-A310F-MK74AA Servo Motor is a high-performance MP-Series Low-Inertia Brushless AC Rotary Servo Motor designed for precision industrial motion control and high-speed automation applications. As a member of the Rockwell Automation MP-Series servo motor family, this model combines rapid dynamic response, outstanding positioning accuracy, and dependable torque performance for demanding industrial equipment.
The MPL-A310F-MK74AA features a 230 V AC voltage class, a 100 mm IEC metric frame size, a 25.4 mm magnet stack length, a 3000 RPM rated speed, a high-resolution multi-turn absolute encoder, a keyless shaft extension, a SpeedTEC right-angle 180° rotatable DIN connector, and an integrated 24 V DC electromagnetic holding brake. This configuration enables the motor to maintain absolute position information over multiple shaft revolutions while securely holding the load whenever system power is removed.
Designed for seamless integration with Allen-Bradley Kinetix servo drive systems, the motor delivers highly accurate closed-loop position, speed, and torque control. Its low-inertia rotor minimizes response time, allowing faster machine cycles while maintaining excellent repeatability and smooth operation.
With a 100 mm frame size and an approximate weight of 2.7 kg, the MPL-A310F-MK74AA is widely used in robotics, CNC machine tools, packaging machinery, semiconductor manufacturing, electronics assembly, material handling systems, printing equipment, and automated production lines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A310F-MK74AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| Holding Brake Voltage | 24 V DC |
| Rated Speed | 3000 RPM |
| Frame Size | 100 mm |
| Magnet Stack Length | 25.4 mm |
| Feedback Device | Multi-Turn High-Resolution Absolute Encoder |
| Shaft Type | Keyless Shaft |
| Holding Brake | Integrated 24 V DC Electromagnetic Brake |
| Connector Type | SpeedTEC Right-Angle 180° Rotatable DIN Connector |
| Mounting | IEC Metric Flange |
| Cooling Method | Natural Air Cooling |
| Weight | Approximately 2.7 kg |
Function and Working Principle
The Allen-Bradley MPL-A310F-MK74AA converts electrical energy supplied by a compatible servo drive into precise rotary motion while continuously transmitting multi-turn absolute encoder feedback for advanced closed-loop motion control.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A310F-MK74AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Equipment
During operation, the servo motor performs the following functions:
- Executes precision positioning commands
- Maintains stable speed regulation
- Delivers continuous torque output
- Provides multi-turn absolute position feedback
- Eliminates homing after power restoration
- Supports rapid acceleration and deceleration
- Activates the integrated holding brake during power-off conditions
- Enables synchronized multi-axis motion
The integrated 24 V DC holding brake secures the shaft whenever servo power is removed, making the motor particularly suitable for vertical-axis equipment and applications requiring reliable load holding.
Role in Industrial Motion Control Systems
Within industrial automation systems, the MPL-A310F-MK74AA serves as a precision rotary actuator responsible for converting electronic motion commands into highly accurate mechanical movement.
Its primary functions include:
- Precision position control
- Closed-loop speed regulation
- Stable torque production
- Multi-turn absolute encoder feedback
- Vertical load holding
- High-speed servo response
- Multi-axis synchronization
- Continuous-duty industrial operation
The combination of a keyless shaft and an integrated 24 V DC holding brake provides secure torque transmission, simplified coupling installation, and dependable shaft retention during power interruptions.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Cartoning systems
- Wrapping equipment
- Labeling machines
- Conveyor automation
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 equipment
- Precision machining systems
- Multi-axis manufacturing equipment
Electronics and Semiconductor Manufacturing
Widely used in:
- PCB assembly
- Semiconductor production
- Automated inspection equipment
- Precision positioning systems
- Electronic component placement
Printing and Converting
Ideal for:
- Digital printing presses
- Web handling systems
- Roll-to-roll processing
- Label production
- Paper converting machinery
Material Handling
Suitable 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 requirements
- Brake power supply
- Encoder cable integrity
- Motor power cable connections
- Mechanical alignment
- Keyless shaft coupling installation
- Protective grounding
- Cooling and ventilation
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.
- Connect the 24 V DC brake wiring.
- Configure the servo drive.
- Perform automatic motor identification.
- Configure encoder parameters.
- Verify brake operation.
- Test motor rotation.
- Complete system 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 |
| Absolute Encoder 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-A310F-MK74AA | Multi-Turn Absolute Encoder, Keyless Shaft & Brake | Vertical-axis precision motion |
| MPL-A310F-MK72AA | Multi-Turn Absolute Encoder, Keyless Shaft | General automation |
| MPL-A310F-MJ74AA | Multi-Turn Absolute Encoder, Keyed Shaft & Brake | Standard industrial machinery |
| MPL-A310F-HK74AA | Incremental Encoder, Keyless Shaft & Brake | Conventional servo 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 operation
- High-resolution multi-turn absolute encoder
- Integrated 24 V DC holding brake
- Keyless shaft configuration
- Compact 100 mm frame size
- 3000 RPM rated speed
- 25.4 mm magnet stack length
- SpeedTEC quick-connect interface
- Eliminates homing after power restoration
- Excellent positioning accuracy
- Approximate weight of 2.7 kg
Technical FAQs
What is the Allen-Bradley MPL-A310F-MK74AA?
The MPL-A310F-MK74AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a multi-turn absolute encoder, keyless shaft, and an integrated 24 V DC holding brake.
What is the rated operating voltage?
The motor operates on 230 V AC, while the holding brake is powered by 24 V DC.
What is the rated operating speed?
The rated operating speed is 3000 RPM.
What type of encoder does the motor use?
It features a multi-turn high-resolution absolute encoder, allowing the controller to retain shaft position after power loss without requiring a homing sequence.
Does this motor include a holding brake?
Yes. The motor incorporates an integrated 24 V DC electromagnetic holding brake for secure load retention.
What type of shaft does the motor use?
The motor uses a keyless shaft extension, suitable for precision locking assemblies and high-accuracy torque transmission.
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, material handling, and automated production systems.
Which servo drives are compatible?
The MPL-A310F-MK74AA is designed for seamless integration with compatible Allen-Bradley Kinetix servo drive systems, providing reliable high-performance motion control.
Conclusion
The Allen-Bradley MPL-A310F-MK74AA Servo Motor is a high-performance MP-Series low-inertia brushless AC servo motor engineered for demanding industrial automation applications. Featuring 230 V AC operation, a 100 mm frame size, 3000 RPM rated speed, a 25.4 mm magnet stack length, a multi-turn high-resolution absolute encoder, a keyless shaft, and an integrated 24 V DC holding brake, it delivers exceptional positioning accuracy, rapid response, and reliable load-holding capability.
With its compact construction, approximate weight of 2.7 kg, and compatibility with Allen-Bradley Kinetix servo drive systems, the MPL-A310F-MK74AA provides an efficient and dependable motion control solution for robotics, CNC equipment, packaging machinery, semiconductor manufacturing, and a wide range of precision industrial automation applications.