VFVN 020-3L-23 frequence controller

The VFVN 20 frequency converters are designed for easy use in common applications. The VFVN 20 is available in all common voltages (110-575 V) and with a wide range of outputs (up to 18.5 kW). Fast and convenient commissioning is combined with exceptional flexibility and a wide range of supplied accessories to meet even the most demanding customer requirements.

Features and equipment

- standard protection: IP20, optional NEMA enclosure according to MI1-MI3 frequency converter size to increase protection to IP21
- output frequency: 0-320 Hz
- control method: scalar U/f control or speed vector control without feedback
- switching frequency: 1-16 kHz, preset 4 kHz
- operating ambient temperature: -10 (frost free) to +40 °C
- storage temperature: -40 to +70 °C
- painted cards as standard
- braking inverter standard for 3f, 400 V, from 1.5 kW
- PTC connection: Frequency converter must be retrofitted with ENC-SLOT-MC03-13 or ENC-SLOT-MC03-45 slot (depending on type) and OPT-B2-V card, can be ordered as VFVN 020-XX-XX PTC set
- EMC: EN 61800-3 category C2 integrated PID controller

Standard I/O

- AI (analog input)
- DI (digital input)
- AO (analog output)
- DO (digital output)
- RO (relay)
- reference voltage +10 V
- power supply +24 V
- RS-485 (Modbus RTU)

The frequency converter has a built-in RS-485 interface, which enables efficient operation of the converter. A PLC function is also integrated to facilitate customization of the frequency converter to a wide range of required tasks. Other unique features include the ability to freely modify the inverter's parameter list and create application-specific c