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- Schneider
- ATV930D18N4
- 545.9 × 211 × 235 mm
- France
- Variable Speed Drive
- 14.2 kg
- Xiamen, China
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Product Overview
The Schneider ATV930D18N4 Altivar Process ATV930 Variable Speed Drive is an industrial AC drive used to regulate motor speed and torque in process and machinery applications. It belongs to the Altivar Process ATV930 family and is suitable for systems where motor operation needs to respond to changing process conditions.
The drive controls the electrical power supplied to a compatible AC motor, allowing equipment to operate at an appropriate speed instead of relying on fixed-speed operation. This makes it suitable for motor-driven equipment such as pumps, fans, compressors, conveyors, and other continuous-duty machinery.
Within an automation system, the ATV930D18N4 can work together with PLCs, DCS systems, process sensors, and operator interfaces. The drive handles motor-control functions while the control system manages process sequences, operating commands, and feedback.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV930D18N4 |
| 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 | 545.9 × 211 × 235 mm |
| Weight | 14.2 kg |
Product Features
The ATV930D18N4 is suited to industrial motor-control applications where adjustable speed, controlled motor operation, and process integration are required.
Key characteristics include:
- Schneider Electric Altivar Process ATV930 variable speed drive
- Model ATV930D18N4
- Suitable for industrial AC motor control
- Supports variable-speed motor operation
- Provides controlled acceleration and deceleration
- Suitable for process-oriented motor applications
- Supports integration with industrial automation systems
- Suitable for pump and fan control
- Applicable to compressors and conveyor systems
- Supports coordinated motor and process operation
- Suitable for retrofit and maintenance applications
Working Principle
The ATV930D18N4 regulates the electrical output supplied to the connected AC motor.
The basic operating path is:
AC Power Supply → ATV930D18N4 → AC Motor → Mechanical Load
The drive receives electrical power from the incoming supply and produces a controlled output for the motor. By regulating the motor’s electrical operating conditions, it can adjust motor speed and torque according to the process requirement.
For example, when used with a pump, the required flow or pressure may change during normal operation. The drive can adjust motor speed according to the control demand rather than keeping the motor at one fixed operating point.
The drive can also exchange operating commands, status information, alarm conditions, and other relevant data with the automation system. This allows motor operation to become part of a larger PLC or DCS control strategy.
Motor Control Architecture
The ATV930D18N4 operates between the plant electrical supply and the motor-driven equipment.
Incoming Power → ATV930D18N4 → Motor → Process Equipment
A broader automation relationship can be represented as:
PLC / DCS → Drive → Motor → Process → Sensor Feedback → Control System
| System Layer | Typical Component | Function |
|---|---|---|
| Power Layer | AC Supply | Provides electrical power |
| Drive Layer | ATV930D18N4 | Regulates motor operation |
| Motor Layer | AC Motor | Converts electrical energy into mechanical power |
| Equipment Layer | Pump / Fan / Compressor | Performs the process function |
| Feedback Layer | Process Sensors | Measures operating conditions |
| Control Layer | PLC / DCS | Executes process logic |
| Operator Layer | HMI / SCADA | Displays operating information |
This arrangement separates motor-control functions from process-level control while allowing both layers to exchange operating information.
Industrial Applications
The ATV930D18N4 can be applied to industrial machinery where motor speed needs to follow changing process requirements.
| Application | Typical Use |
|---|---|
| Pumping Systems | Flow and pressure regulation |
| Industrial Fans | Airflow adjustment |
| HVAC Equipment | Variable-speed ventilation |
| Compressor Systems | Process capacity control |
| Conveyor Systems | Controlled material movement |
| Water Treatment | Pump and process control |
| Manufacturing Machinery | Adjustable-speed operation |
| Process Plants | Continuous motor control |
The actual application should be matched to the motor characteristics, load profile, process requirements, and complete drive configuration.
Installation and Maintenance
Correct installation requires attention to electrical, thermal, mechanical, and control requirements.
Recommended checks include:
- Confirm the complete ATV930D18N4 model.
- Verify motor and drive compatibility.
- Confirm incoming power conditions.
- Check motor cable selection and termination.
- Verify grounding and protective equipment.
- Provide adequate ventilation around the drive.
- Keep cooling paths clean and unobstructed.
- Check control and communication wiring.
- Verify motor rotation during commissioning.
- Review motor and drive parameters.
- Check acceleration and deceleration settings.
- Monitor drive alarms during startup.
- Inspect electrical connections during scheduled maintenance.
- Check for abnormal heating, contamination, or loose connections.
For replacement projects, recording the original drive parameters before removal can simplify commissioning and help maintain the established operating behavior.
Related Components
The ATV930D18N4 normally operates as part of a complete motor-control system.
| Component | Function |
|---|---|
| AC Power Supply | Provides drive input power |
| ATV930D18N4 | Controls motor speed and torque |
| AC Motor | Produces mechanical output |
| Motor Cable | Transfers controlled power to the motor |
| Circuit Protection | Protects the electrical installation |
| PLC / DCS | Provides operating and process commands |
| HMI / SCADA | Displays drive and process information |
| Process Sensors | Provides operating feedback |
| Pump / Fan / Compressor | Performs the required process function |
| Communication Interface | Exchanges control and diagnostic information |
The drive, motor, protection equipment, and automation system should be evaluated together when designing or modifying the installation.
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider ATV930D18N4 | Altivar Process ATV930 Variable Speed Drive | Industrial AC motor control |
| Schneider ATV930D15N4 | Altivar Process ATV930 Variable Speed Drive | Process motor applications |
| Schneider ATV930D11N4 | Altivar Process ATV930 Variable Speed Drive | Variable-speed machinery |
| Schneider ATV930D22N4 | Altivar Process ATV930 Variable Speed Drive | Larger motor-driven equipment |
| Schneider ATV930 Series | Altivar Process Variable Speed Drive | Industrial process control |
For replacement selection, engineers should verify motor data, incoming power, load characteristics, control requirements, communication configuration, and installation conditions.
Key Advantages
- Schneider Electric Altivar Process ATV930 platform
- Suitable for industrial AC motor control
- Supports adjustable motor speed and torque
- Provides controlled acceleration and deceleration
- Suitable for pumps, fans, compressors, and conveyors
- Supports integration with PLC and DCS systems
- Suitable for process-oriented motor applications
- Supports coordinated motor and process operation
- Useful for retrofit and maintenance projects
- Suitable for continuous industrial operation
Technical FAQs
What is the main application of the ATV930D18N4?
The ATV930D18N4 is used for variable-speed control of compatible AC motors in industrial and process applications. It is suitable for equipment such as pumps, fans, compressors, conveyors, and other motor-driven machinery.
How does variable-speed control benefit pumping and ventilation systems?
It allows motor speed to follow actual process demand. Instead of continuously operating at a fixed speed, the motor can be adjusted according to required flow, pressure, or airflow, giving the control system greater flexibility.
What should be checked when commissioning the ATV930D18N4?
The motor nameplate data, drive parameters, incoming power, motor connections, grounding, rotation direction, control signals, and acceleration and deceleration settings should be verified before normal operation. Any communication or process feedback used by the control system should also be checked.
What are common causes of abnormal drive operation during maintenance?
Incorrect motor parameters, loose electrical connections, inadequate cooling, unsuitable control signals, damaged cabling, and changes in the mechanical load can all affect drive operation. Troubleshooting should therefore include the drive, motor, control wiring, and driven equipment.