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Product Overview
The Allen-Bradley MPL-A220T-VJ72AA Servo Motor is a premium MP-Series Low-Inertia Brushless AC Rotary Servo Motor designed for high-performance industrial motion control applications. As part of the Rockwell Automation MP-Series servo motor family, this model combines excellent dynamic response, precise positioning accuracy, and reliable torque output for demanding automation systems. It features a 230 V AC voltage class, 75 mm IEC metric frame size, 50.8 mm magnet stack length, 6000 RPM rated speed, a multi-turn high-resolution absolute encoder, a keyed shaft, a SpeedTEC right-angle rotatable DIN connector, and no holding brake.
The integrated multi-turn absolute encoder provides accurate position information even after power interruptions, eliminating the need for homing procedures during machine startup. This significantly reduces commissioning time, improves production efficiency, and enhances positioning reliability in automated manufacturing systems.
Designed for seamless integration with Allen-Bradley Kinetix servo drives, the MPL-A220T-VJ72AA is widely used in packaging machinery, robotics, CNC equipment, semiconductor manufacturing, electronic assembly, printing systems, material handling equipment, pharmaceutical production, and precision automation applications.
With a compact 75 mm frame size and an approximate weight of 2 kg, the motor offers high power density while minimizing installation space requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | MPL-A220T-VJ72AA |
| Product Series | MP-Series MPL |
| Product Type | Rotary Servo Motor |
| Motor Type | Low-Inertia Brushless AC Servo Motor |
| Rated Voltage | 230 V AC |
| Rated Speed | 6000 RPM |
| Frame Size | 75 mm |
| Magnet Stack Length | 50.8 mm |
| Feedback Device | Multi-Turn High-Resolution Absolute Encoder |
| Shaft Type | Keyed Shaft |
| Brake | No Brake |
| Connector Type | SpeedTEC Right-Angle DIN Connector (180° Rotatable) |
| Mounting | IEC Metric Flange |
| Dimensions | Frame Size: 75 mm |
| Weight | Approximately 2 kg |
Function and Working Principle
The Allen-Bradley MPL-A220T-VJ72AA converts electrical power supplied by a compatible servo drive into precise rotary motion while continuously transmitting absolute position information through its integrated encoder.
Typical Motion Control Architecture
Motion Controller
↓
Allen-Bradley Kinetix Servo Drive
↓
MPL-A220T-VJ72AA Servo Motor
↓
Mechanical Transmission
↓
Industrial Machine
During operation, the servo motor performs the following functions:
- Executes high-precision positioning
- Provides accurate speed regulation
- Delivers stable torque output
- Supplies multi-turn absolute position feedback
- Eliminates homing after power restoration
- Supports rapid acceleration and deceleration
- Improves machine repeatability
- Increases production efficiency
The low-inertia rotor enables fast dynamic response while the absolute encoder maintains position information across power cycles, improving system availability.
Role in Industrial Motion Control Systems
Within an industrial automation system, the MPL-A220T-VJ72AA serves as the primary motion actuator responsible for executing accurate movement commands.
Its primary responsibilities include:
- Position control
- Speed regulation
- Continuous torque delivery
- Absolute encoder feedback
- Multi-axis synchronization
- High-repeatability positioning
- Reduced commissioning time
- Improved production efficiency
The multi-turn absolute encoder makes this servo motor particularly suitable for applications requiring position retention without repeated homing.
Industrial Applications
Packaging Machinery
Typical applications include:
- Filling machines
- Labeling equipment
- Cartoning systems
- Wrapping machines
- High-speed conveyors
Robotics
Suitable for:
- Articulated robots
- Pick-and-place systems
- Assembly robots
- Collaborative robots
- Material handling robots
CNC Machinery
Widely used in:
- CNC machining centers
- Milling machines
- Precision cutting equipment
- Multi-axis machine tools
- Automated machining cells
Electronics and Semiconductor Manufacturing
Applications include:
- PCB assembly
- Semiconductor production
- Precision positioning systems
- Inspection equipment
- Wafer handling machinery
Printing and Converting
Commonly installed in:
- Digital printing presses
- Label production equipment
- Web handling systems
- Roll-to-roll processing
- Paper converting machinery
Pharmaceutical and Food Processing
Suitable for:
- Filling equipment
- Packaging systems
- Conveyor automation
- Inspection machines
- Automated production lines
Installation and System Integration
Before installation, engineers should verify:
- Servo drive compatibility
- Motor voltage requirements
- Encoder cable integrity
- Motor power cable condition
- Mechanical alignment
- Shaft coupling installation
- Grounding connections
- Cooling and ventilation requirements
Recommended Installation Procedure
- Disconnect system power.
- Mount the servo motor securely.
- Install the shaft coupling.
- Connect the motor power cable.
- Connect the absolute encoder cable.
- Configure the Kinetix servo drive.
- Perform automatic motor identification.
- Tune servo parameters.
- Verify encoder feedback.
- Test motor rotation.
- Check positioning accuracy.
- Complete commissioning.
Compatible System Components
| Component | Function |
|---|---|
| Allen-Bradley Kinetix Servo Drive | Servo control |
| Logix PLC | Machine control |
| Motion Controller | Motion command generation |
| Servo Power Cable | Power transmission |
| Absolute Encoder Cable | Position feedback |
| Mechanical Coupling | Torque transmission |
| Planetary Gearbox | Speed reduction |
| HMI Panel | Operator interface |
| EtherNet/IP Network | Industrial communication |
| Machine Safety Controller | Functional safety |
Recommended Alternative Models
| Model | Product Type | Recommended Application |
|---|---|---|
| MPL-A220T-VJ72AA | Servo Motor with Multi-Turn Absolute Encoder | High-precision positioning |
| MPL-A220T-EJ72AA | Servo Motor with Single-Turn Encoder | General motion control |
| MPL-A220T-HJ72AA | Servo Motor with Incremental Encoder | Cost-effective positioning |
| MPL-A220T-VJ74AA | Servo Motor with Absolute Encoder and Brake | Vertical-axis motion |
| Kinetix VP Servo Motors | Advanced Servo Motor | High-performance automation |
Key Advantages
- MP-Series low-inertia brushless AC servo motor
- 230 V AC operation
- Multi-turn high-resolution absolute encoder
- 75 mm compact frame size
- 6000 RPM rated speed
- No homing required after power restoration
- SpeedTEC quick-connect interface
- Keyed shaft configuration
- Excellent dynamic response
- Compatible with Allen-Bradley Kinetix servo drives
- Approximate weight of 2 kg
Technical FAQs
What is the Allen-Bradley MPL-A220T-VJ72AA?
The MPL-A220T-VJ72AA is an MP-Series low-inertia brushless AC rotary servo motor equipped with a multi-turn high-resolution absolute encoder for high-performance industrial motion control.
What is its rated voltage?
The servo motor operates on 230 V AC.
What is the rated speed?
The rated operating speed is 6000 RPM.
What type of encoder does this motor use?
It features a multi-turn high-resolution absolute encoder, which retains position information after power loss and minimizes startup time.
Does the motor include a holding brake?
No. The MPL-A220T-VJ72AA is supplied without a holding brake.
What is the frame size?
The motor features a 75 mm IEC metric frame size.
Which servo drives are compatible?
The servo motor is designed for use with Allen-Bradley Kinetix servo drive systems.
What is the approximate weight?
The motor weighs approximately 2 kg.
Which industries commonly use this servo motor?
It is widely used in packaging, robotics, CNC machining, semiconductor manufacturing, electronics assembly, pharmaceutical production, printing, and automated manufacturing.
What are the benefits of a multi-turn absolute encoder?
A multi-turn absolute encoder preserves position data across power cycles, eliminates repeated homing procedures, improves startup efficiency, reduces downtime, and enhances machine productivity.
Conclusion
The Allen-Bradley MPL-A220T-VJ72AA Servo Motor is a high-performance MP-Series low-inertia brushless AC servo motor engineered for precision industrial automation. Featuring 230 V AC operation, a 75 mm frame size, 6000 RPM rated speed, and a multi-turn high-resolution absolute encoder, it delivers exceptional positioning accuracy, rapid dynamic response, and reliable long-term performance.
With its compact construction and approximate weight of 2 kg, the MPL-A220T-VJ72AA is an excellent solution for machine builders seeking accurate motion control, fast commissioning, and dependable operation across a wide range of advanced industrial automation applications.