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- ATV930D11N4
- Variable Speed Drive
- France
- 409 × 171 × 236 mm
- 7.7 kg
- Xiamen, China
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Product Overview
The Schneider ATV930D11N4 Altivar Process ATV930 Variable Speed Drive is an industrial AC drive used to control the speed and torque of motor-driven equipment. It belongs to the Altivar Process ATV930 family and is intended for applications where motor operation needs to respond to changing process requirements rather than remain at a fixed speed.
The ATV930D11N4 can be incorporated into automation systems for pumps, fans, compressors, conveyors, and other machinery driven by AC motors. The drive handles the motor-control function while the PLC, DCS, or process controller manages the wider operating sequence.
For maintenance and retrofit projects, the complete drive model should be matched with the motor, incoming power system, control architecture, communication arrangement, and application load before replacement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV930D11N4 |
| Product Family | Altivar Process ATV930 |
| Product Type | Variable Speed Drive |
| Primary Function | AC Motor Speed and Torque Control |
| System Role | Motor Drive / Process Control |
| Application | Industrial Automation / Process Equipment |
| Dimensions | 409 × 171 × 236 mm |
| Weight | 7.7 kg |
Product Features
The ATV930D11N4 combines variable-speed motor control with the integration requirements of industrial process equipment.
Key characteristics include:
- Schneider Electric Altivar Process ATV930 variable speed drive
- Model ATV930D11N4
- Suitable for industrial AC motor control
- Supports adjustable motor speed and torque
- Provides controlled acceleration and deceleration
- Suitable for process-oriented machinery
- Can be integrated with PLC and DCS systems
- Applicable to pumps, fans, compressors, and conveyors
- Suitable for applications with changing process demand
- Useful for equipment modernization and replacement projects
Its 7.7 kg weight and compact form factor make it suitable for installations where drive cabinet space and equipment access need to be considered.
Working Principle
The ATV930D11N4 regulates the electrical output supplied to the connected AC motor.
The basic operating relationship is:
AC Power Supply → ATV930D11N4 → AC Motor → Mechanical Equipment
The drive receives incoming power and generates a controlled output for the motor. By changing the electrical operating conditions supplied to the motor, it can regulate motor speed and torque according to the required operating point.
In a pump application, for example, process flow or pressure requirements can change over time. The drive allows motor operation to be adjusted to suit those conditions rather than forcing the motor to operate continuously at one fixed speed.
At the automation level, the drive can work with the plant control system so that motor commands, operating status, alarms, and process-related information become part of the overall control strategy.
Motor Control Architecture
The ATV930D11N4 occupies the drive layer between the plant electrical system and the motor.
Incoming Power → ATV930D11N4 → Motor → Process Equipment
A broader control architecture can be represented as:
PLC / DCS → ATV930D11N4 → Motor → Process → Sensors → Control System
| System Layer | Typical Component | Function |
|---|---|---|
| Power Layer | AC Supply | Provides electrical energy |
| Drive Layer | ATV930D11N4 | Regulates motor operation |
| Motor Layer | AC Motor | Produces mechanical output |
| Equipment Layer | Pump / Fan / Compressor | Performs process work |
| Instrumentation Layer | Process Sensors | Measures process conditions |
| Control Layer | PLC / DCS | Executes control logic |
| Operator Layer | HMI / SCADA | Displays operating information |
This structure separates motor-control functions from the main process-control logic while allowing both to work together.
Industrial Applications
The ATV930D11N4 can be applied to industrial equipment where motor speed needs to change according to process requirements.
| Application | Typical Use |
|---|---|
| Pump Systems | Flow and pressure regulation |
| Ventilation Systems | Fan speed control |
| HVAC Equipment | Variable-speed operation |
| Compressors | Process capacity regulation |
| Conveyors | Controlled material movement |
| Water Treatment | Pump and process control |
| Manufacturing Equipment | Adjustable-speed machinery |
| Process Plants | Continuous motor control |
The appropriate application depends on the motor characteristics, load profile, process requirements, and complete drive configuration.
Installation and Maintenance
Proper installation of the ATV930D11N4 requires attention to electrical connections, thermal conditions, motor compatibility, and control wiring.
Recommended checks include:
- Confirm the complete ATV930D11N4 model.
- Verify the motor and drive ratings.
- Confirm the incoming power arrangement.
- Check motor cable selection and termination.
- Verify grounding and protective equipment.
- Provide suitable ventilation around the drive.
- Keep cooling paths free from dust and obstruction.
- Check control and communication connections.
- Verify motor rotation during commissioning.
- Review acceleration and deceleration parameters.
- Monitor drive status and alarm information.
- Inspect power terminals during scheduled maintenance.
- Check for abnormal heating, noise, or contamination.
For replacement work, recording the existing parameter configuration before removing the original drive can simplify commissioning and help preserve the established motor-control behavior.
Related Components
The ATV930D11N4 normally forms part of a complete motor-control installation.
| Component | Function |
|---|---|
| AC Power Supply | Provides input power |
| ATV930D11N4 | Controls motor speed and torque |
| AC Motor | Produces mechanical power |
| Motor Cable | Transfers controlled power to the motor |
| Circuit Protection | Protects the electrical system |
| PLC / DCS | Sends process and operating commands |
| HMI / SCADA | Displays drive and process status |
| Process Sensors | Provide operating feedback |
| Pump / Fan / Compressor | Performs the process function |
| Communication Interface | Exchanges control and diagnostic data |
The drive, motor, protection equipment, and automation system should be evaluated as one coordinated installation.
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider ATV930D11N4 | Altivar Process ATV930 Variable Speed Drive | Industrial motor control |
| Schneider ATV930D15N4 | Altivar Process ATV930 Variable Speed Drive | Variable-speed process equipment |
| Schneider ATV930D18N4 | Altivar Process ATV930 Variable Speed Drive | Industrial AC motor applications |
| Schneider ATV930D22N4 | Altivar Process ATV930 Variable Speed Drive | Larger motor-driven systems |
| Schneider ATV930 Series | Altivar Process Variable Speed Drive | Process and machinery control |
When selecting a related or replacement model, motor requirements and application load should be verified together with the electrical supply and control architecture.
Key Advantages
- Schneider Electric Altivar Process ATV930 platform
- Suitable for industrial AC motor control
- Provides adjustable motor speed and torque
- Supports controlled starting and stopping
- Suitable for pumps, fans, compressors, and conveyors
- Can integrate with PLC and DCS architectures
- Suitable for process-oriented motor applications
- Supports changing process operating conditions
- Compact 7.7 kg drive package for industrial installation
- Useful for modernization, retrofit, and replacement projects
Technical FAQs
What makes the ATV930D11N4 different from a conventional motor starter?
A conventional starter primarily controls motor energization, while a variable speed drive regulates motor operation during running. The ATV930D11N4 can therefore adjust motor speed and torque according to the application instead of simply switching the motor between stopped and running states.
Which process signals can influence drive operation?
Depending on the control architecture, signals such as flow, pressure, temperature, level, or production demand can be used by the PLC, DCS, or process-control system to determine the required motor operating point.
What should be reviewed before replacing an existing ATV930D11N4?
The complete model designation, motor data, incoming power, control wiring, communication configuration, operating parameters, protection arrangement, and mechanical installation should be checked. Existing drive parameters should also be recorded where possible.
Why is thermal management important when installing this variable speed drive?
A variable speed drive generates heat during operation. Adequate ventilation, correct installation clearance, clean cooling paths, and appropriate cabinet conditions help maintain stable operation and prevent unnecessary thermal stress on the drive.