Integrated Motion Controller -liikkeenohjain

  • Tarkka paikannus ja synkronointi pienemmillä kustannuksilla ja yksinkertaisemmalla järjestelmällä

    Monet sovellukset eri toimialoilla edellyttävät erittäin tarkkaa paikannusta ja synkronointia parhaan lopputuloksen saavuttamiseksi. Tällaisia sovelluksia ovat:

    • kääntöpöydät 
    • pakkauskoneet
    • etikettikoneet 
    • kuljettimet 
    • ekstruuderit
    • pelletointilaitteet

    Paikannukseen ja synkronointiin on perinteisesti käytetty servolaitteita. Servolaitteet ovat kuitenkin kalliita, ja niiden käyttöönotto on hankalaa ja vaatii ylimääräistä kaapelointia. Ja koska servolaitteet eivät toimi järjestelmissä, joissa on takaisinkytkemätön ohjaus (open loop), vikaantumisriski on korkeampi. Monet sovellukset eivät edellytä servolaitteen mahdollistamaa suurta dynaamista suorituskykyä ja vaihtoehtona on ollut käyttää taajuusmuuttajaa. Tähän asti on kuitenkin ollut tarpeellista käyttää ylimääräistä moduulia tai lisätä moottoriin enkooderi.

    Danfoss Drives on kehittänyt innovatiivisen vaihtoehdon servo-ohjaukselle. Integroitu liikkeenohjain (Integrated Motion Controller, IMC) mahdollistaa tarkan paikannuksen ja synkronoinnin ilman ylimääräisiä moduuleja tai osia. Liikkeenohjain on nyt konfiguroitavissa suoraan VLT® AutomationDrive FC 302 -taajuusmuuttajan ohjelmistoon.

    Integroidussa liikkeenohjaimessa on monia etuja. Se soveltuu kaikkien yleisimpien moottorityyppien takaisinkytkettyyn (closed loop) ja takaisinkytkemättömään (open loop) ohjaukseen ja mahdollistaa ilman anturia toimivan referenssiajon sekä momenttitunnistuksen. Taajuusmuuttajien parametrit ovat helposti muutettavissa sovelluskohteiden tarpeiden mukaan. Tämä tarkoittaa, että servoteknologian tai ohjelmointikielen tuntemus ei ole tarpeen. Myöskään enkooderia tai ylimääräisiä kaapeleita ei tarvita, joten suunnittelu-, asennus- ja käyttöönottoajassa ja -kustannuksissa voidaan säästää.

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