spindle turns when energized, should not

There are actually 2 power supplies needed by the SPINX1
One is the 5V logic power on TB1 (most likely from the PC)

The other is the voltage for the spindle potentiometer simulator on TB2
This voltage is normally suppled by the motor controller to TB2s SP+ and SP-
pins.

The SP+, SP- and SPV pins are meant to connect where a external
speed control potentiometer would connect to the drive. SP+ is the high
side (full speed) of the potentiometer, SP- is the low side (0 speed)
and SPV is the wiper connection. The potentiometer simulation has some limitations.
One is that the voltage between SP+ and SP- must be between 5V and 15V
The other is that the potentiometer simulator draws about 6 mA so the drive must be able
to supply this current without significant voltage drop.

If the drive has a voltage input (say 0 to 10V) instead of a potentiometer connection
you must supply the 10V to SP+ and SP- from an external source

What you say makes sense. To clarify: Is the 10v supplied on the TB2 side VDC ?

In supplying the 10v, if I understand what you are saying, the SP- and SP+ would have an wire for external power AND a wire to the Minarik terminal posts for the GND and V (hot) ? The SP- would receive GND power and wire to the Minarik teminal post GND, the SP+ would receive the 10V external supplied and wire to Minarik terminal post for the hot wire, correct ?

their is no need to supply any external voltage , just wire as if a pot as we have said
and it will work fine

"WIRE IT 'TIL YOU FIRE IT"

Through a combination of Hal edits and wiring changes the spindle was bludgeoned into working with S commands. Lots of calibration still needed, spindle not turning anywhere near it's potential Max rpms, but the proof of concept is in place.

It's Turkey Time !!!!

Thanks EVERYONE for your help. Will document and post bunch of helpful stuff soon.

PCW,

The Spinx1 is turning my spindle with S commands. My maximum rpms are likely around 600, yet the motor is capable of much higher speeds, at least 3000 rpms.

You mentioned earlier a second power supply. Am I correct if I want to up my rpms I will need to add this 2nd supply to my Spinx1 on the SP terminal side to do ? Is this what you are suggesting ?

Pwmgen.0.max-dc is set to 1

How might scaling or other values be suppressing the Max rpms?

It may be easier to attach my Hal file when I get back to my shop and take less time, for example, I assume with pwmgen input you are asking me to look for something like pwmgen.0.spindle-speed <= input, but I am not familair enough with Hal syntax to discern.

This is a parport system, and I do not believe many of the settings you are asking me to confirm exist in my current Hal file. I assume your questions are with respect to the Hal file.I did not see a PWM reset in the Hal file.