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- Schneider
- ATV930U40N4
- Variable Speed Drive
- France
- 350 × 144 × 206 mm
- 4.6 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider ATV930U40N4 Altivar Process ATV930 Variable Speed Drive is an industrial motor control device used to manage the operating speed, torque, and performance of motor-driven equipment in process and automation systems.
In industrial plants, many machines do not require motors to run at a constant speed throughout the entire production cycle. Pumps may need to adjust flow, fans may need to respond to changing ventilation demand, and conveyors may require different operating speeds according to production conditions. A variable speed drive allows these adjustments to be performed directly through controlled motor operation.
The ATV930U40N4 belongs to the Altivar Process ATV930 series and is commonly integrated into automation systems where precise motor control and communication with higher-level controllers are required. It connects the electrical supply, automation system, and motor equipment into a coordinated operating structure.
Unlike motor starters that only manage basic starting and stopping functions, the ATV930U40N4 continuously regulates motor performance during operation. This makes it suitable for applications where process stability, adjustable speed control, and equipment protection are important.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | ATV930U40N4 |
| Product Family | Altivar Process ATV930 |
| Product Type | Variable Speed Drive |
| Main Function | Motor speed and torque control |
| Application | Industrial Motor Control |
| Installation Type | Control Cabinet / Industrial Installation |
| Motor Application | Three-phase motor systems |
| Dimensions | 350 × 144 × 206 mm |
| Weight | 4.6 kg |
Product Features
The Schneider ATV930U40N4 Altivar Process ATV930 Variable Speed Drive is used in industrial environments where motor operation needs to be adjusted according to process requirements.
Key characteristics include:
- Schneider Altivar Process ATV930 series drive
- Model ATV930U40N4
- Provides adjustable motor speed control
- Supports industrial process equipment operation
- Integrates with PLC and automation control systems
- Suitable for pumps, fans, conveyors, and machinery
- Supports controlled acceleration and deceleration
- Designed for industrial motor management applications
The correct drive selection depends on motor specifications, load characteristics, control requirements, and the overall automation system design.
Working Principle
The ATV930U40N4 controls motor operation by converting incoming electrical power into a variable output suitable for controlling motor speed and torque.
A typical operating structure is:
Industrial Power Supply → ATV930 Drive → Motor → Mechanical Equipment → Process Feedback
During operation, the drive receives commands from an operator interface, PLC, or industrial communication network. Based on these instructions, it adjusts the output frequency and electrical characteristics supplied to the motor.
In practical applications, the drive performs functions such as:
- Adjusting motor speed according to process demand
- Controlling acceleration and stopping behavior
- Maintaining required operating conditions
- Supporting automated equipment regulation
- Receiving feedback signals for improved control
The drive acts as the motor control center within the system, while the PLC or process controller remains responsible for higher-level automation logic.
Role in an Industrial Automation System
The Schneider ATV930U40N4 operates within the motor control layer of an industrial automation structure.
A simplified architecture can be represented as:
PLC / Control System → ATV930 Variable Speed Drive → Motor → Production Equipment
The automation controller determines the required operating command, and the drive converts that command into appropriate motor behavior.
The ATV930U40N4 does not replace PLC processing, sensor monitoring, or safety functions. Instead, it provides the controlled electrical output required for motor-driven equipment to operate according to the process requirements.
Industrial Applications
The Schneider ATV930U40N4 Altivar Process ATV930 Variable Speed Drive is commonly applied in industrial systems requiring flexible motor control.
| Application | Typical Use |
|---|---|
| Pumping Systems | Adjusting pump speed for process demand |
| HVAC and Ventilation | Managing fan operation |
| Water Treatment | Controlling flow-related equipment |
| Conveyor Systems | Adjusting transport speed |
| Manufacturing Lines | Regulating motor-driven machinery |
| Process Industries | Maintaining controlled operation |
| Compressor Applications | Managing variable motor loads |
The actual application depends on the mechanical equipment, motor characteristics, and control strategy.
Installation and Maintenance
Installation of the ATV930U40N4 requires proper verification of the electrical system, motor data, and control configuration.
Recommended maintenance procedures include:
- Confirm the drive model before installation
- Verify motor electrical parameters
- Check input and output wiring
- Inspect grounding connections
- Confirm cooling and ventilation conditions
- Review drive configuration parameters
- Check communication connections
- Monitor operating status
- Record commissioning settings
If motor operation becomes abnormal, troubleshooting should include the drive parameters, motor condition, power quality, wiring connections, and control commands.
Related Components
The ATV930U40N4 works together with multiple components in a complete motor control solution.
| Component | Function |
|---|---|
| Industrial PLC | Sends motor control commands |
| AC Motor | Converts electrical energy into mechanical motion |
| Motor Sensors | Provide operating feedback |
| Circuit Protection Devices | Protect electrical circuits |
| Control Cabinet | Provides equipment installation environment |
| Communication Modules | Connect drive with automation networks |
| HMI System | Provides operator monitoring |
| Safety Components | Support machine protection functions |
Proper integration between these components ensures correct motor operation within the automation system.
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider ATV930U40N4 | Altivar Process ATV930 Variable Speed Drive | Industrial motor speed control |
| Schneider ATV930U30N4 | Altivar Process ATV930 Variable Speed Drive | Process motor applications |
| Schneider ATV930 Series | Variable Speed Drive Family | Industrial automation and process control |
| Schneider ATV630 Series | Variable Speed Drive | Pumps, fans, and process equipment |
| Schneider Altivar Machine Series | Machine Drive | OEM machinery applications |
Model selection should be based on motor power requirements, load type, communication needs, and installation environment.
Key Advantages
- Schneider Altivar Process ATV930 variable speed drive.
- Provides adjustable motor speed and torque management.
- Supports industrial process automation applications.
- Integrates with PLC-based control systems.
- Suitable for pumps, fans, conveyors, and machinery.
- Supports flexible motor operation in industrial environments.
Technical FAQs
What applications benefit most from using the ATV930U40N4?
The ATV930U40N4 is suitable for motor-driven equipment where operating speed needs to change according to process conditions, such as pumps, fans, conveyors, and industrial machinery.
What information is required before replacing an existing ATV930 drive?
Engineers should confirm the drive model, motor parameters, wiring arrangement, control method, communication settings, and application requirements before replacement.
Why can incorrect drive parameters affect motor performance?
The drive uses configured motor and application data to control output behavior. Incorrect settings may result in unstable operation, reduced performance, or improper motor response.
How should a variable speed drive be checked during routine maintenance?
Maintenance should include inspection of wiring, cooling conditions, operating parameters, fault records, communication status, and the physical condition of the installation environment.