Information
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 the size of the MI1-MI3 frequency converter to increase the 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°C (frost free) ... +40°C
- storage temperature: -40°C ... +70°C
- painted cards as standard
- brake inverter standard for 3f, 400 V, from 1.5 kW
- PTC connection: the frequency converter must be equipped with ENC-SLOT-MC03-13 or ENC-SLOT-MC03-45 slot (depending on type) and OPT-B2-V card. Can be ordered as a VFVN 020-XX-XX PTC set
- EMC: EN 61800-3 category C2 integrated PID controller
Standard I/O:
- AI (analogue input)
- DI (digital input)
- AO (analogue 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 that allows efficient operation of the converter. A PLC function is also integrated to facilitate the adaptation of the frequency converter to a wide range of required tasks. Other unique features include the ability to freely edit the inverter parameter list and create application specific parameter files and default settings.