Card for Parallel Port with 2 PWM or Analog Output

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30 Nov 2012 23:51 #27101 by mmt
Does anyone have any idea if or where I might find such a thing?

Building a system that requires 3 PWM outputs. Breakout board I am using has 1 so I need a card that I can hook to a second parallel port that has at least 2.

Thanks,
Kent

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01 Dec 2012 00:48 #27102 by cncbasher
you would probably be better with a Mesa 7I43 , and 7I42 addon's for use with a parrell port , that will give you all you need you'll get 48 pins in total
more than you'll ever get with a parallel port on it's own .
can you give more details on the units you are connecting , for analog out you can just add a basic filter to the pwm output

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06 Dec 2012 00:01 #27252 by mmt
Thanks. It is a laser system. I need 3 analog outputs. Spindle, Power supply, and Q switch all are 0-10VDC Analog In.

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06 Dec 2012 09:29 #27277 by andypugh

Thanks. It is a laser system. I need 3 analog outputs. Spindle, Power supply, and Q switch all are 0-10VDC Analog In.

If you don't have a spare PCI slot then the 7i43 looks like the thing to use. It has a lot more tricks than just PWM, it can handle all your steppers and encoders too.

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