VACON0020-3L-0038-4
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MPN: 135N2704
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The Danfoss VACON0020-3L-0038-4 drive from the VACON 20 Low Voltage Drives series operates with an input voltage of 380-480 VAC 3-phase. This unit features an output power of 18.5 kW and a switching frequency adjustable from 1.5 to 16 kHz. It weighs 10 kg and is protected under IP20/IP21, meeting EN61800 and CE standards.
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Product Description:
The VACON0020-3L-0038-4 Frequency Converter supports variable frequency adjustment with a range from 0 to 320 Hz. The device ensures precise regulation with 0.01 Hz frequency resolution. It allows reliable acceleration and deceleration control. The converter delivers consistent performance across industrial and automation applications.
This VACON0020-3L-0038-4 frequency converter from Danfoss provides versatile input and output functions to support various applications. The digital inputs accept both positive and negative logic with voltage ranges from 0 to 30 V. The analogue input options include 0 to + 10 V with an impedance of 250 kΩ or current input of 0 to 20 mA with resistance not exceeding 250 Ω. The analogue output options allow 0 to 10 V with load resistance above 1 kΩ or current output of 0 to 20 mA with load resistance up to 500 Ω that is selectable by microswitch. The digital output is available through open collector type that supports maximum 35 V and 50 mA load. The relay output of the model provides switching for 250 V AC at 3 A or 24 V DC at 3 A. The auxiliary voltage output of this converter supports ± 20 % with maximum load of 50 mA.
The control methods of the VACON0020-3L-0038-4 frequency converter include frequency control U/f and open loop sensorless vector control. The switching frequency ranges from 1 to 16 kHz with factory default set at 4 kHz. The device supports acceleration and deceleration times adjustable between 0.1 and 3000 seconds. The field weakening point of the converter is adjustable between 30 and 320 Hz. The frequency reference input allows fine regulation with 0.01 Hz resolution that ensures accurate and smooth motor operation.
Frequently Asked Questions about VACON0020-3L-0038-4:
Q: How does the VACON0020-3L-0038-4 frequency converter maintain precise motor speed under varying load?
A: It uses fine frequency resolution to deliver stable regulation in demanding tasks. The adjustable acceleration and deceleration ensure smooth performance across industrial and automation environments.
Q: What input and output flexibility does the Danfoss VACON0020-3L-0038-4 provide during integration?
A: It supports digital inputs with both logics and wide voltage ranges. Analogue inputs and outputs allow voltage or current modes, enabling reliable interfacing with external control systems.
Q: Can the VACON0020-3L-0038-4 frequency converter handle extended switching requirements effectively?
A: It offers adjustable switching frequencies from 1 to 16 kHz with stable operation. The default 4 kHz setting balances energy efficiency and reliable motor performance in daily use.
Q: How does the Danfoss VACON0020-3L-0038-4 improve motor adaptability during advanced applications?
A: It allows wide field weakening point adjustment for diverse speed ranges. This flexibility ensures the converter adapts effectively to different motor demands and operating conditions.
Q: What control methods enhance the performance of the VACON0020-3L-0038-4 in industrial processes?
A: It supports U/f control for basic stability and vector control for higher precision. These methods ensure efficiency while maintaining smooth and consistent motor operation.
