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It looks like you have the needed components for this (limit2 and near)
but they are not connected.

That is you have the PID spindle speed  command coming directly
from the commanded spindle speed:net spindle-vel-cmd-rpm => pid.s.commandRather than having been fed through the limit2 component.

 Also the limit2 maxv (which limits the ramp rate) is not set

Similarly you do not have the near component connected
nor is the near components  scale or difference values set
 

depends on your hardware. is this an older pc? you may be able to grab a cheap video card that uses the later version.

Kinda depends of whether you want to use a mesa card (then just about anything PC will do), if you want use a parallel port then it's a different kettle of fish.

I'm kinda a fan of Lenovos, have a couple of Thinkpads T61 & T530 (use this everyday and do alot with it), a S20 ThinkStation (this gets a lot of use, builds Mesa firmware when needed), M93 that runs Win10 for Mum and a M72e with a i5 3470 (found this by the side of the road, use this for all sorts, alot of testing various driver board projects for Linuxcnc).
Also have used a Asrock J3355B-ITX which ran the mill fine with a Mesa 7i92, tho I changed the cabinet and use a Odroid H2 Plus (has 2 etherent ports so thats great) which works great with the Mesa card.
Apart from Mums computer, everything runs Linux, the T61, S20 & T530 also dual boot various windows installs which I really try to avoid using.

I have not yet. I’ll give that a shot for a wiring diagram.

Interesting in the different board. They look almost identical. This machine was for sheet metal only so maybe that would be the difference.

found a meldas 300 controller with most of the parts. got it working and initializing a MR-S11 drive. hooked up a logic analyzer and it looks fairly straight forward... next, i need to get the motor spinning and rig up some kind of an interface board...

Don't worry about GND or Power when counting inputs. Just the actual input itself.

Wow
It worked,
Kudos to you, Robbbbbb

Yes that's it, openly is only version 2.1 mesa 22.3.6
Can I just upgrade this?

rodw wrote:

the new GUI's you are considering are more touch friendly than Gmocappy which has a lot of tabs you need to open all the time . eg jogging.
QT dragon has a lot flatter UI but still has plenty of tabs but the jogging controls are always exposed.

Yeah, I just had another look around and found a very short video of Probe Basic being demo'ed with touch on a 21.5'' screen which actually looks like a nice size for me. Still a bit "far" from end to end, but I like the bigger text, icons and sliders. 
I'll be buying the screen secondhand, so what's available will also be a factor.