Geert De Pecker wrote: > I probably wrongly assumed that the voltage should come from the KBIC > board. As you say, this would indeed be a flexible solution. Will look > out from such a converter. My controller case is almost full, have to > find some room to put this one in :-) Don't need much space - this fits neatly on the end of the board http://www.farnell.com/datasheets/78477.pdf It's a pity that there is not a space for it actually on the board.
> Lester Caine wrote: >> Geert De Pecker wrote: >>> Next problem: the analog voltage on the C11 board doesn't go to the max >>> input voltage. I measured the voltage across the sherline potentiometer >>> and it is 9.2 volts. With the bench supply set to 9.2 and attached to >>> the analog voltage of the board, the max output is 8.2 volts. I'll see >>> what is gives when I try ot on the sherline speed control. >>> >>> Otherwise, the output voltage is very linear with the ordered spindle speed. >> You will need a higher isolated supply. I use a little 12v to 12V DC >> converter >> to give the isolated supply, and just limit the range of the input. >> Sounds as if you are nearly there though. -- Lester Caine - G8HFL ----------------------------- Contact - http://home.lsces.co.uk/lsces/wiki/?page=contact L.S.Caine Electronic Services - http://home.lsces.co.uk MEDW - http://home.lsces.co.uk/ModelEngineersDigitalWorkshop/ Firebird - http://www.firebirdsql.org/index.php ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
