On 25 Dec 2007 at 16:00, [EMAIL PROTECTED] wrote: Hi Kirk, At this time there would not be any real time information needed that it why I thought of the usb port.
> > I understand that the usb port can > > handle analog 0-5v inputs from a joystick. > > I don't know much about USB, but it seems USB is not supported in EMC > for real time performance reasons. > What I want to display in Axis is the arc voltage from my plasma torch. It ranges from 0 to 250vac. If I could get real time measurements then perhaps that could be used to control the Z axis but for now I'd just like to display it. Arc current would be nice too now that your thinking... > > I have no idea what signal you are dealing with, but if it can be > converted to a signal between 0 and 5 Volts DC, then the rest is > pretty much done. The scale HAL component is used to scale the 100% > input value from the ADC, which for the LTC1286 is 12 bits = 0xFFF = > 4095, to the value that EMC will understand as a 100% value. > > Can you supply more information on what kind signal you are trying to > measure, how it's value should affect the system, and the machine you > are working on? > > Now that you got me thinking, it would be nice to measure spindle and > axis load/current in EMC -- maybe air pressure and temperature too. Thanks John ------------------------------------------------------------------------- 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
