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- Schneider
- ATV950U07N4E
- Variable Speed Drive
- France
- 678 × 264 × 300 mm
- 10.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV950U07N4E is an Altivar Process ATV900 variable speed drive used to regulate motor-driven equipment in industrial and process-control applications. It forms the electrical control stage between the incoming power supply and the connected motor, allowing motor operation to follow machine commands and changing process requirements.
In process plants, motor-driven equipment rarely operates under exactly the same conditions throughout a production cycle. Pump demand can change with flow requirements, fans may need different operating speeds, and conveyors may require controlled movement during startup, production, and shutdown. The ATV950U07N4E provides variable-speed motor control that can be incorporated into these operating sequences.
The drive is normally integrated with a PLC or process controller, operator interface, motor, protection equipment, and mechanical load. During replacement or commissioning, these elements should be considered as one control chain. Drive parameters, command sources, motor connections, and the mechanical condition of the driven equipment all affect the final operating response.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | ATV950U07N4E |
| Product Type | Altivar Process ATV900 Variable Speed Drive |
| Product Family | Altivar Process |
| Series | ATV900 |
| Drive Function | Variable Speed Motor Control |
| System Role | Process Motor Speed and Torque Control |
| Control Method | Electronic Variable-Frequency Motor Control |
| Application | Industrial and Process Motor Drives |
| Motor Interface | Three-Phase Motor |
| Control Function | Speed, Acceleration and Deceleration Regulation |
| Process Integration | Industrial Process Control System |
| Component Type | Variable Speed Drive |
| Installation | Industrial Motor Control Equipment |
| Dimensions | 678 × 264 × 300 mm |
| Weight | 10.5 kg |
Product Features
- Altivar Process ATV900 platform for industrial and process motor control.
- Regulates motor operation according to process and machine requirements.
- Supports controlled motor acceleration, deceleration, and speed adjustment.
- Suitable for motor-driven equipment operating as part of automated processes.
- Can be integrated into PLC, HMI, SCADA, and process-control architectures.
- Supports coordinated motor operation within process sequences.
- Provides the controlled electrical interface between the power supply and motor.
- Suitable for pumps, fans, conveyors, material-handling systems, and process machinery.
- Allows applicable motor and drive parameters to be configured for the installation.
- Provides drive operating information for system monitoring and maintenance.
Working Principle
The ATV950U07N4E receives a command and applicable operating reference from the surrounding control architecture. It regulates the electrical output delivered to the motor so that motor operation follows the configured speed and process requirements.
Power Supply → ATV950U07N4E → Controlled Motor Output → Motor → Mechanical Load
During startup, the drive manages the motor’s transition toward the commanded operating condition. Once running, it adjusts motor operation as the active reference changes. During controlled stopping or speed reduction, the drive manages the corresponding deceleration sequence rather than simply removing motor power.
In an automated process, the drive can work alongside a PLC or process controller. The controller can coordinate motor operation with valves, sensors, other drives, and machine sequences, while an HMI or SCADA system can provide operator access to applicable commands and operating information.
The resulting machine behavior depends on the complete system. Motor characteristics, drive parameters, control references, mechanical load, transmission components, and process conditions can all influence acceleration, speed response, and stopping behavior. For this reason, commissioning should verify the drive as part of the complete motor-control system.
Role in a Schneider Altivar Process ATV900 Control Architecture
The ATV950U07N4E occupies the drive layer of the motor-control architecture. It links the higher-level process-control system with the motor and converts control requirements into regulated electrical output.
| System Layer | Typical Component | Function |
|---|---|---|
| Supervisory Layer | HMI / SCADA | Provides operator commands and displays process and drive information |
| Process Control Layer | PLC / Process Controller | Executes process logic and generates motor-control commands |
| Drive Layer | ATV950U07N4E | Regulates electrical power supplied to the connected motor |
| Motor Layer | Three-Phase Motor | Converts electrical power into mechanical rotation |
| Mechanical Layer | Coupling / Gearbox / Transmission | Transfers motor movement to the process equipment |
| Process Equipment | Pump / Fan / Conveyor / Machinery | Performs the required process function |
| Monitoring Layer | Sensors / Drive Status Signals | Supplies operating information for control and monitoring |
Industrial Applications
| Application | Drive Role |
|---|---|
| Pumping Systems | Adjusts motor operation according to process flow and equipment demand |
| Industrial Fans | Regulates motor speed for process-air and ventilation equipment |
| Water and Wastewater Equipment | Supports adjustable motor operation in pumping and treatment processes |
| Conveyor Systems | Controls material transport speed during automated operation |
| Material Handling | Regulates motor-driven transfer and handling equipment |
| Process Machinery | Coordinates motor operation with changing process conditions |
| Manufacturing Equipment | Integrates variable-speed motor control into production machinery |
| Continuous Process Plants | Supports controlled motor operation within larger process-control systems |
Installation and Maintenance
- Confirm the ATV950U07N4E model and verify that it matches the intended Altivar Process ATV900 application.
- Review the motor nameplate, electrical schematics, process-control drawings, and existing drive configuration before installation.
- Isolate the incoming power and follow the approved lockout/tagout procedure before working on the drive or motor circuit.
- Verify the electrical supply arrangement and motor circuit before connecting the replacement drive.
- Inspect the drive, terminals, connectors, cooling areas, and accessible surfaces for damage, contamination, or signs of overheating.
- Check motor power connections, control wiring, communication connections, and grounding against the approved electrical documentation.
- Inspect the motor, coupling, gearbox, and driven mechanism for binding or abnormal mechanical resistance before enabling the drive.
- Verify the applicable motor, command, speed-reference, and application parameters before commissioning.
- Confirm PLC, HMI, SCADA, communication, interlock, and start/stop signals required for normal operation.
- Perform a controlled initial run and verify motor direction, startup behavior, speed response, and basic process response.
- Monitor the drive and motor for faults, abnormal vibration, temperature increase, unexpected current behavior, or unusual acceleration and deceleration.
- Record final parameters, wiring configuration, commissioning results, motor information, 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 Process ATV900 Control System | Provides the variable-speed motor-control platform |
| PLC / Process Controller | Generates process logic and motor-control commands |
| HMI / SCADA | Provides operator control and process-status information |
| Motor Power Cable | Carries controlled electrical output from the drive to the motor |
| Motor Protection Equipment | Provides applicable protection for the motor circuit |
| Process Sensor | Provides process information used by the control system where applicable |
| Mechanical Coupling | Transfers motor rotation to the driven equipment |
| Gearbox | Adapts motor speed and torque to machine requirements |
| Industrial Control Cabinet | Houses the drive and associated electrical control equipment |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Schneider Altivar Process ATV900 Series | Variable Speed Drive | Same process-drive platform |
| Schneider ATV950U07N4 | Altivar Process ATV900 Variable Speed Drive | Closely related ATV950 drive model |
| Schneider ATV950 Series | Altivar Process Variable Speed Drive | Same ATV950 drive family |
| Schneider ATV930 Series | Altivar Process Variable Speed Drive | Related ATV900-family drive series |
| Schneider Altivar Process Control Accessories | Drive Control Hardware | Associated drive-system components |
Key Advantages
- Altivar Process ATV900 platform for industrial and process motor control.
- Supports adjustable motor operation as process requirements change.
- Integrates with PLC, HMI, SCADA, and process-control architectures.
- Suitable for pumps, fans, conveyors, and continuous process machinery.
- Provides controlled acceleration and deceleration for motor-driven equipment.
- Supports maintenance and replacement of established Altivar Process drive systems.
Technical FAQs
What is the main function of the ATV950U07N4E?
The ATV950U07N4E is a variable speed drive used to regulate a connected motor. It converts operating commands and speed references into controlled motor output for industrial and process equipment.
What should be checked before replacing an ATV950U07N4E?
The connected motor, electrical supply, existing drive parameters, control wiring, communication arrangement, process-control signals, mechanical load, and protection equipment should be checked before replacement.
How does the ATV950U07N4E fit into a process-control system?
The drive operates at the motor-control layer while a PLC or process controller can provide commands and process references. HMI and SCADA systems can provide operator control and monitoring, allowing motor operation to be coordinated with the wider process.
What can cause abnormal operation after drive replacement?
Incorrect motor parameters, unsuitable command or speed references, wiring errors, communication problems, mechanical resistance, motor faults, or active protection functions can affect operation. Troubleshooting should follow the complete path from the control system through the drive and motor to the driven equipment.