Are you sure that the 0 and +10 terminals are relative to ground? Or are they relative to each other?
If they are relative to each other, it certainly could do some harm to connect the DAC directly to the Vin terminal of the VFD. As in -- smoke the DAC, smoke the VFD, smoke both. Ken ----- Original Message ----- From: "Kirk Wallace" <[EMAIL PROTECTED]> To: "Enhanced Machine Controller (EMC)" <[email protected]>; <[EMAIL PROTECTED]> Sent: Sunday, January 27, 2008 5:48 PM Subject: Re: [Emc-users] VFD Analog Frequency Inputs > On Mon, 2008-01-28 at 08:51 +1100, Peter Homann wrote: >> Hi Kirk, >> >> >> I've come in late to this thread. >> >> Could you just put a resistor between the +10 and 0V terminals on the VFD >> 'complete' the circuit that the potentiometer would. Then then feed the >> output >> of your DAC to the Vin terminal of the VFD? >> >> >> Cheers, >> >> Peter. > > Thanks Peter, I'll give it a try. It certainly couldn't hurt anything. > > -- > Kirk Wallace (California, USA > http://www.wallacecompany.com/machine_shop/ > Hardinge HNC lathe, > Bridgeport mill conversion, doing XY now, > Zubal lathe conversion pending) > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
