yes i too have same questions , i have stuck in with allen bradley l43 communication with danfoss vfd . i don know how to proceed , i have files from danfoss comany eds danfoss375,300,400 series, but i don how to satrt , if u experienced with this please revert one thing i have successfully communicated the allen bradley with powerflex but issue is other vendor vfd its been pending from 2 months nay help u know how to do it , i am ready to utsource to yu