[Mzones]

Yeah, the circuit board green shades are a little off, eh?

Here's what's happening


Mach creates a TTL level PWM digital signal And sends it to the printer port.
The printer port sends to the BOB.
The BOB takes this signal and creates a 0-10 V PWM digital signal, then through a RC filter
smoothing it out creating a 0-10V analogue signal to output of the BOB.
Now your taking this 10V analogue signal Through a voltage divider, to create a 0-5V analogue signal.
Then you're sending this 5V analogue signal to your driver board, which creates a digital TTL level PWM
signal which triggers the output device, controlling the motor.

And you don't think that your electronics are mismatched?

No problem with the shading , It's pretty much Black and White.
Its some ware between 50 and 200. 50 may be a little high


Mike

[areinike]

Here's what's happening


Mach creates a TTL level PWM digital signal And sends it to the printer port.
The printer port sends to the BOB.
The BOB takes this signal and creates a 0-10 V PWM digital signal, then through a RC filter
smoothing it out creating a 0-10V analogue signal to output of the BOB.
Now your taking this 10V analogue signal Through a voltage divider, to create a 0-5V analogue signal.
Then you're sending this 5V analogue signal to your driver board, which creates a digital TTL level PWM
signal which triggers the output device, controlling the motor.

And you don't think that your electronics are mismatched?

No problem with the shading , It's pretty much Black and White.
Its some ware between 50 and 200. 50 may be a little high


Mike

I know what you're saying. Ultimately I'm looking at a 0-5V input to the motor controller. So having a PWM signal converted to DC then reduced and them converted back to PWM seems to get crazy. So would it make more sense to utilize the PWM line and convert that to a 0-5V signal for the motor controller to avoid few "conversions?"

Ideally I would get a PWM controlled spindle controller - but for now I need to make something work if at all, worst case I'll manually use the pot the controller comes with.