On 04/23/2019 09:05 PM, Joe Hildreth wrote:
Jon,
I guess you just have to 'love' standards huh? heh. Not to give away my age,
but the last 'standard' I tried to decipher was NAPLPS.
Well, that was a well-defined standard that never seemed to
go anywhere.
Now, overlook my ignorance here, please. What boards do you make? Mesa boards?
No, I'm a competitor to Mesa, I make the Pico Systems
boards. The original one was PPMC (Parallel Port Motion
Control) that had a motherboard attached to the parport and
then you could plug in DAC, encoder counter and digital I/O
boards in any combination. Then, I added a stepper
controller, and a variant of that, a PWM controller. And,
then a bunch of other stuff that is not directly interfaced
to LinuxCNC, such as brush and brushless motor drives, an
interface between my stepper controller and Gecko 320-series
step-servos, a resolver to quadrature converter, a couple of
boards to convert Fanuc and Panasonic encoders to standard
quadrature, and a board that plugs onto the Beagle Bone and
holds 6 stepper drives, mostly for 3D printers.
I started making the PPMC in 2002, so this goes back quite a
ways.
Jon
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