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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ATV71HD18N4 |
| Manufacturer | Schneider |
| Category | Inverter Drives |
| Family | Altivar 71 |
| Supply Voltage | 380 to 480 V (3 Phase) |
| Power Rating | 18.5 kW |
| Output Frequency | 0.1 to 599 Hz |
| EMC Filter | Integrated |
| Assembly Style | With heat sink |
| Line Current | 45.5 A at 380 V, 37.5 A at 480 V |
| Nominal Output Current | 41 A at 4 kHz 380 V, 34 A at 4 kHz 460 V |
| Maximum Transient Current | 67.7 A for 2 s, 61.5 A for 60 s |
| Motor Control Profiles | ENA, FVC with sensor, SFVC, V/F ratio |
| Communication Port Protocol | Modbus, CANopen |
| Connector Type | 1 RJ45 for Modbus on front face, 1 RJ45 for Modbus on terminal, Male SUB-D 9 on RJ45 for CANopen |
| Transmission Rate | Up to 38.4 Kbps for Modbus, up to 1 Mbps for CANopen |
| Operating Position | Vertical +/- 10 degree |
| Dimensions (H x D x W) | 400 mm x 213 mm x 230 mm |
| Product Weight | 15 kg |
| Specific Application | Suitable for complex, high-power machines |
| Option Cards | Various communication and I/O extension cards available |
The Schneider ATV71HD18N4 Variable Speed Drive is a robust and versatile solution designed to enhance the performance and efficiency of your industrial applications. This three-phase inverter drive operates within a voltage range of 380 to 480 V and is capable of delivering a power output of 18.5 kW. It is engineered to offer precise control over motor speed, with an output frequency range of 0.1 to 599 Hz, ensuring optimal operation for a wide array of machinery.
Crafted with the demands of complex, high-power machines in mind, the ATV71HD18N4 is equipped with an integrated EMC filter and comes with a heat sink assembly style. Its nominal output current ratings are 41 A at 4 kHz for 380 V and 34 A at 4 kHz for 460 V, with the ability to handle maximum transient currents of 67.7 A for 2 seconds and 61.5 A for 60 seconds, respectively.
The drive's control capabilities include an Energy Adaptation System for unbalanced loads, Flux Vector Control with or without sensor, and Voltage/Frequency Ratio control, providing flexibility and precision for various application requirements. The ATV71HD18N4 also features a range of protective functions, such as overcurrent, overheating, and short-circuit protection, ensuring reliable operation and longevity of both the drive and the motor.
With its user-friendly interface and advanced communication protocols, including Modbus and CANopen, this variable speed drive allows for seamless integration into existing systems, making it a smart choice for enhancing industrial automation processes. Whether you're looking to improve energy efficiency, reduce mechanical stress on motor control applications, or achieve finer control over your equipment, the Schneider ATV71HD18N4 Variable Speed Drive is engineered to meet the challenges of modern industry.
Commonly Asked Questions
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Frequently Asked Questions
What type of applications is the Schneider Variable Speed Drive suitable for?
The Schneider Variable Speed Drive is designed for complex, high-power machines that require precise speed and torque control. It's suitable for applications such as material handling, packaging, textile machines, mechanical actuators, and process control in industrial environments.
Can this drive be used with both asynchronous and synchronous motors?
Yes, the Schneider Variable Speed Drive is compatible with both asynchronous and synchronous motors, providing flexibility for a variety of industrial applications.
What is the power capacity of this drive?
The drive is capable of handling motor power up to 18.5 kW or 25 hp at 380 to 480 V three-phase power supply, making it suitable for a range of medium to high-power applications.
Does the drive come with an EMC filter?
Yes, the drive includes an integrated EMC filter to reduce electromagnetic interference, ensuring compliance with EMC standards for industrial environments.
What is the range of output frequency for the drive?
The drive offers an output frequency range of 0.1 to 599 Hz, allowing for precise speed control over a wide range of operating conditions.
What are the mounting requirements for this drive?
The drive should be installed vertically at ± 10° and should not be placed close to heating elements. Adequate space must be left around the unit to allow for proper air circulation for cooling.
Can I connect an encoder to the drive for closed-loop control?
Yes, the drive supports the connection of an encoder for closed-loop control, enhancing the precision of speed and torque regulation in your application.
What type of control protocols does the drive support?
The drive supports Modbus and CANopen communication protocols, providing versatile options for integration with industrial control systems.
Is it possible to extend the I/O capabilities of the drive?
Yes, the drive can be fitted with I/O extension cards, communication cards, or a 'Controller Inside' programmable card to expand its capabilities to meet specific application needs.
What should be done if the drive is not going to be used for a long period?
If the drive is not going to be used for an extended period, it is recommended to power it on every two years for at least 5 hours to maintain the performance of its electrolytic capacitors.
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