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- Schneider
- ATV71HU75N4
- Variable Speed Drive
- France
- 295 × 175 × 187 mm
- 5.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV71HU75N4 is an Altivar 71 variable speed drive used to regulate motor-driven equipment in industrial automation and process applications. It serves as the electronic power-control stage between the electrical supply and the connected motor, allowing machine speed to be adjusted according to the operating requirements of the process.
Variable speed operation is particularly useful when a machine must change speed during different stages of production. A conveyor may need different transport rates, a pump may need to respond to changing process demand, or a production mechanism may require controlled acceleration and deceleration. The drive provides the control interface needed to coordinate these motor movements with the wider automation system.
The ATV71HU75N4 is normally installed as part of a complete motor-control arrangement that includes a motor, machine controller, operator interface, electrical protection, and mechanical transmission. Proper commissioning therefore requires consideration of the complete motor and load system rather than the drive alone.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | ATV71HU75N4 |
| Product Type | Altivar 71 Variable Speed Drive |
| Product Family | Altivar |
| Series | Altivar 71 |
| Drive Function | Variable Speed Motor Control |
| System Role | Motor Speed and Torque Control |
| Control Method | Electronic Variable-Frequency Motor Control |
| Application | Industrial Motor Drives |
| Motor Interface | Three-Phase Motor |
| Control Function | Speed, Acceleration and Deceleration Regulation |
| System Integration | Industrial Machine Control System |
| Component Type | Variable Speed Drive |
| Installation | Industrial Control Cabinet / Motor Control Equipment |
| Dimensions | 295 × 175 × 187 mm |
| Weight | 5.5 kg |
Product Features
- Altivar 71 variable speed drive for industrial motor-control applications.
- Provides adjustable motor speed for machinery with changing operating requirements.
- Supports controlled acceleration and deceleration during machine cycles.
- Can be integrated with PLC-based and other industrial machine-control architectures.
- Suitable for conveyors, pumps, fans, material-handling equipment, and production machinery.
- Provides an electronic control stage between the electrical supply and connected motor.
- Supports coordinated motor operation within automated equipment.
- Allows drive parameters to be matched to the connected motor and application.
- Can exchange operating and status information with the surrounding control system.
- Suitable for service, replacement, and retrofit work on established Altivar 71 installations.
Working Principle
The ATV71HU75N4 regulates the electrical output delivered to the motor according to the required operating condition. A speed reference, start/stop command, or other operating instruction is supplied by the machine-control system, operator interface, or applicable drive control circuit.
Power Supply → ATV71HU75N4 → Controlled Motor Output → Motor → Mechanical Load
During startup, the drive manages the motor’s transition toward the commanded operating speed. During normal operation, it adjusts the motor output according to the selected speed and configured control parameters. When the machine needs to slow down or stop, the drive controls the corresponding deceleration process.
The drive can exchange status and operating information with the wider automation system. This allows a PLC or other controller to coordinate motor operation with machine sequences, while an HMI or supervisory system can display relevant operating conditions and drive status.
The resulting machine behavior depends on the complete drive system. Motor characteristics, mechanical inertia, transmission components, load conditions, drive parameters, and control commands all influence the response. These factors should therefore be reviewed together when installing or replacing the drive.
Role in a Schneider Altivar 71 Motor Control Architecture
The ATV71HU75N4 occupies the drive layer between the machine-control system and the motor. It translates operating commands into controlled electrical motor power and provides drive-status information to the surrounding automation architecture.
| System Layer | Typical Component | Function |
|---|---|---|
| Supervisory Layer | HMI / Operator Interface | Provides operator commands and displays machine and drive status |
| Control Layer | PLC / Machine Controller | Generates speed references, start/stop commands, and process logic |
| Drive Layer | ATV71HU75N4 | Regulates electrical power supplied to the motor |
| Motor Layer | Three-Phase Motor | Converts electrical power into mechanical rotation |
| Mechanical Layer | Coupling / Gearbox / Transmission | Transfers motor movement to the machine |
| Machine Load | Conveyor / Pump / Fan / Production Equipment | Performs the required industrial process |
| Feedback / Monitoring | Sensors / Drive Status Signals | Provides operating information to the control system |
Industrial Applications
| Application | Drive Role |
|---|---|
| Conveyor Systems | Adjusts motor speed to match material transport requirements |
| Pumping Equipment | Regulates motor operation according to changing process demand |
| Industrial Fans | Controls motor speed for ventilation and process-air applications |
| Material Handling | Provides controlled movement for transport and positioning machinery |
| Packaging Machinery | Coordinates motor speed with machine operating cycles |
| Manufacturing Equipment | Regulates motor-driven mechanisms within production machinery |
| Process Equipment | Adjusts motor operation to changing process conditions |
| Automated Machinery | Integrates motor-speed control with PLC and machine-control functions |
Installation and Maintenance
- Confirm the ATV71HU75N4 model and verify that it matches the intended Altivar 71 application and existing drive configuration.
- Review the motor nameplate, electrical schematics, drive documentation, and machine-control drawings before installation.
- Isolate the incoming power and follow the approved lockout/tagout procedure before accessing the drive or motor circuit.
- Verify the electrical supply arrangement and confirm that the drive is suitable for the installed system.
- Inspect the drive, terminals, connectors, cooling areas, and accessible surfaces for damage, contamination, or signs of overheating.
- Verify motor power connections and control wiring against the approved electrical drawings.
- Check the motor, coupling, gearbox, and driven mechanism for mechanical binding or abnormal resistance before enabling the drive.
- Enter or verify the applicable motor and drive parameters according to the connected motor and machine requirements.
- Check speed references, start/stop commands, interlocks, communication connections, and feedback signals before commissioning.
- Perform a controlled initial run and verify motor direction, startup behavior, and basic speed response.
- Monitor the drive and motor for abnormal current, vibration, temperature, faults, or unexpected acceleration and deceleration during operation.
- Record the final drive parameters, motor information, wiring configuration, commissioning results, and maintenance observations for future service work.
Related Components
| Component | Function in the System |
|---|---|
| Three-Phase Motor | Converts controlled electrical power into mechanical rotation |
| Schneider Altivar 71 Control System | Provides the variable-speed drive platform |
| PLC / Machine Controller | Generates motor-control commands and process logic |
| HMI | Provides operator control and drive-status information |
| Motor Power Cable | Connects the drive output to the motor |
| Motor Protection Equipment | Provides applicable protection for the motor circuit |
| Mechanical Coupling | Transfers motor rotation to the driven mechanism |
| Gearbox | Adapts motor speed and torque to machine requirements |
| Process / Speed Sensor | Provides operating information where feedback is used |
| Control Cabinet | Houses the drive and associated electrical control equipment |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Schneider Altivar 71 Series | Variable Speed Drive | Same drive family |
| Schneider ATV71HU55N4 | Altivar 71 Variable Speed Drive | Related Altivar 71 drive model |
| Schneider ATV71HU40N4 | Altivar 71 Variable Speed Drive | Related Altivar 71 drive model |
| Schneider ATV71 Series Drives | Variable Speed Drive | Related motor-control platform |
| Schneider Altivar Control Accessories | Drive Control Hardware | Associated drive-system components |
Key Advantages
- Altivar 71 platform for industrial variable-speed motor control.
- Supports controlled acceleration and deceleration.
- Allows motor speed to be adjusted for changing machine requirements.
- Integrates with PLC, HMI, and industrial machine-control architectures.
- Suitable for motor-driven production and process equipment.
- Supports maintenance and replacement of established Altivar 71 drive systems.
Technical FAQs
What is the primary function of the ATV71HU75N4?
The ATV71HU75N4 is a variable speed drive used to regulate the operation of a connected motor. It controls the electrical motor supply according to the required speed and machine operating conditions.
What should be verified before installing an ATV71HU75N4?
The incoming electrical supply, connected motor, drive configuration, control wiring, machine load, command source, and applicable feedback or communication arrangement should be checked before commissioning.
Why is drive parameter configuration important?
The configured parameters influence how the motor responds to commands such as starting, acceleration, deceleration, and speed changes. The settings should be matched to the installed motor and machine requirements.
What should be checked if the motor does not respond correctly after installation?
Check the command source, speed reference, drive status, active faults, motor parameters, control wiring, and mechanical load. The complete path from the machine controller to the drive and motor should be checked before identifying the drive as the source of the problem.