On Sun, 06 May 2012 12:26:42 -0500, Jon Elson wrote: > EBo wrote: >> >> It is also to bad that I no longer have access to the 14bit 300Ms/s >> ADCs I got to play with a little in the past. That would probably >> tell >> us a little bit ;-) >> > A digital scope with some kind of computer connectivity (network, USB > thumb drive, > USB device) should do fine. Since the LinuxCNC servo rate is only > one > KHz, a > trace with a 10 KHz sampling rate should be quite adequate. But, > really, > recording encoder position with Halscope is quite good.
That is assuming that you have a machine with servo motors with an encoders, and my machines are all steppers with various types of drives. Also, sometime back in the tread we were talking about attaching various sensors to a machine instead of singling on hal. That being said, a recordable digital oscope should be fine, and for on the cheap we might also be able to get away with the DAC's on an Arduino (10 bits, and I thought I read somewhere they can be sampled as high as 77KHz by tweaking the clock downscaler, although I am not sure if the Arduino is up to the task -- would be cool if it was though. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
