I found a user Manual today. (Alstom)
I Don't expect to find a circuit diagram....
I want to operate this on single phase 230Vinput, Intended Motor is 3ph 0.5KW. As this is a 3ph 380V(415V) input unit I might build up a mains voltage doubler, easier than modifying the Vin sense & logic supply without a diagram but then I wont know untill I investigate. least I've got 2 options
Should be plenty of existing DCbus capacitance (3ph --> 1ph in) considering it is a 10.5KW unit & my motor is 0.5kW (old hercus lathe)