On Thursday 16 August 2007, Jason Cox wrote:
>On Thu, 2007-08-16 at 00:09 -0400, Gene Heskett wrote:
>> On Wednesday 15 August 2007, Jason Cox wrote:
>> >hi all,
>> > just wondering if anyone has used a Q2HB44MA stepper drive
>> >( http://www.bsjd.com/_en/products_show.asp?Productid=424 ) as I have
>> >just acquired some for my new mill.
>> >which is best a step/dir signal or CW/CCW signaling for steppers?
>> >
>> >Jason Cox
>>
>> Interesting Jason. That site doesn't seem to have a price list, so I'm
>> wondering what the msrp of that one, and its 80 volt, 6 amp counterpart
>> <http://www.bsjd.com/_en/products_show.asp?Productid=428> might be by the
>> time ups hands me a box of them here in the states?
>
>First appearance is they look solid. I got mine from an old banner sign
>printer that go thrown out (good stuff should never go to waist).
>Jason
>
Thanks. To answer the original question, steppers are nearly always driven by
step/dir signals. There are bipolar analogue setups about, but from my
reading, quite a bit harder to tune.
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
The sky is blue so we know where to stop mowing.
-- Judge Harold T. Stone
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