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dkriley
Power-User

Join Date: Aug 2008
Location: Chicago, IL USA
Posts: 120
Good Answers: 2

DC Servo driver

08/13/2008 2:43 PM

I want to build my own dc servo driver but running into terminology problems. Listed below are devices I'm working with.

Controller:

I have a NI PCI7344 Stepper/Servo card. I want to use the +/-10 analog output.

Motor:

I am using a 12Vdc 2amp servomotor (Not sure if brush or brushless).

Driver:

I want to build my own dc servo driver using discrete components, but having no luck finding a simple design circuit. Can you help?

Regards,

Don
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JohnDG
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United Kingdom - Member - Not a New Member Hobbies - Musician - New Member Hobbies - Fishing - New Member

Join Date: May 2006
Location: Reading, Berkshire, UK. Going under cover.
Posts: 9684
Good Answers: 468
#1

Re: DC Servo driver

08/13/2008 4:20 PM

This document from SGS is worth looking at.

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cnpower
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Engineering Fields - Control Engineering - New Member China - Member - New Member

Join Date: Sep 2006
Location: CHINA
Posts: 2945
Good Answers: 14
#2
In reply to #1

Re: DC Servo driver

08/13/2008 11:50 PM

not bad material.
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Snaketails
Guru

Join Date: Sep 2007
Location: Wrong end of the yellow brick road in Oz
Posts: 930
Good Answers: 15
#3
In reply to #1

Re: DC Servo driver

08/14/2008 12:56 AM

Yeh, the L290 chip is quite old, but still highly used, and quite easily available ;o)

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