<snip>
So there is no default usage for each of the 12 outputs and 4 inputs?
I'm thinking about a 3-axis small mill with limit switches on the two X and
Y axis plus spindle on/off and two coolants.
Outputs
3 Step and 3 Direction = 6
1 Common Enable, 2 Coolant and 1 Spindle = 4
Total 10 outputs
Inputs
2 Left Limit and 2 Right limit = 4
Total 4 inputs.
Will the .ini file allow this combination?
<snip>
There is a "default", if you want to call it that, that the Stepconf wizard
starts with, and a couple "default" pinouts for off the shelf control kits, but
you can alter that to whatever suits your fancy so the combination you
mentioned (although for clarity by left/right I assume you mean +/- for the
limits on X and Y axes) would be possible. If you add a second parallel port
($5-15 PCI card) then you can get a little more advanced with its setup
defining it as dedicated to be mainly input or mainly output (mine is
configured as mainly input and IIRC it gives 12 inputs and 4 outputs -
sufficient for me to eventually implement a spindle tach and dedicated +/-
limits and homing switches along with a number of other expansion options). I
can't answer the Pico/Pluto question but I know both are decribed in good
detail in the documentation. I chose to design my own BOB as opposed to a
commercially available unit so I didn't have to abide by any set pinout or
other limitations.
I will add .02 though - your inputs don't mention anything about an E-Stop
input - I'd recommend adding that and running your limits in series if you
don't want to add a second parallel port.
HTH - I'm sure someone will expand on the Pico/Pluto but read through the docs
and you'll probably see what is going on.
Greg
www.distinctperspectives.com
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