On Mon, Aug 06, 2007 at 08:03:23PM -0700, richard harris wrote:
Perhaps this is why Hardinge/Bandit cost so much half the wires go
nowhere and and there to confuse you. Mission Accomplished.
This is quite funny. Thanks for sharing your story.
Jeff
Gene Heskett wrote:
With the eval board at $150, and I doubt it comes with the rotary coil set,
that raises the price of that toy quite a bit unless someone here wants to
see if they can squeeze it into say $50 for a run of 100 or so.
With the accuracy claimed, I can see it will take some
On Saturday 04 August 2007, Jon Elson wrote:
Gene Heskett wrote:
With the eval board at $150, and I doubt it comes with the rotary coil
set, that raises the price of that toy quite a bit unless someone here
wants to see if they can squeeze it into say $50 for a run of 100 or so.
With the
On Saturday 04 August 2007, Jon Elson wrote:
Gene Heskett wrote:
On Saturday 04 August 2007, Jon Elson wrote:
The rotary coils are your resolver. Your resolver should be
built at the factory so there is no need for diddling.
I'm pretty sure the 2S1200 needs no coils
Maybe, maybe not. I have
Hello,
First let me apologize for this off topic question, but I exhausted all the
responses google provided.
I have a Hardinge lathe with an unknown encoder mounted to the spindle. The
encoder has 5 sets of wires. All are twisted pair, one set is wrapped in red
foil and is a red wire
If this is an older Hardinge like a HNC or CHNC this may be a resolver rather
than an encoder.
Rayh
On Thu, 2 Aug 2007 23:43:35 -0700 (PDT), Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
Hello,
First let me apologize for this off topic question, but I
Hello Richard,
I have a Hardinge HNC that I am converting. Your description doesn't
match mine very well so I'll assume you have a different model, but I
did find that my spindle pulse generator had terminal pairs for both the
LED and the amp (+12 V and GND on both) along with the pulse and the
[EMAIL PROTECTED] wrote:
If this is an older Hardinge like a HNC or CHNC this may be a resolver rather
than an encoder.
Why would a resolver have 5 pairs of wires? I would think 3
pairs would suffice for any flavor of resolver. The only thing
I can think of that needs 5 pairs would be
harris
To: Enhanced Machine Controller (EMC)
Sent: Friday, August 03, 2007 1:43 AM
Subject: [Emc-users] OT Encoder Question
Hello,
First let me apologize for this off topic question, but I exhausted all the
responses google provided.
I have a Hardinge lathe with an unknown
Kirk Wallace wrote:
Hello Richard,
I have a Hardinge HNC that I am converting. Your description doesn't
match mine very well so I'll assume you have a different model, but I
did find that my spindle pulse generator had terminal pairs for both the
LED and the amp (+12 V and GND on both)
Gene Heskett wrote:
The other possibility is that its a resolver, where one set of wires would be
power, probably 5 volts, The next set, possibly the green one is an index at
0 output, and the other 3 would divide the full rotation in 1/2 turn, 1/4
turn, and 1/8 turn. But that on the
I've seen Heidenhain encoders that have 5 pairs, they
have 4 lines for power. Some companies use extra
return (ground) lines. There is also the possibility
of an extra track like on brushless servo motors,
which can have a hall track
Or like John said, it could be an absolute encoder,
although
-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jon Elson
Sent: Friday, August 03, 2007 1:12 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] OT Encoder Question
Kirk Wallace wrote:
Hello Richard,
I have a Hardinge HNC that I am converting. Your description doesn't
The nice thing about resolvers is that they are very rugged -
with no
electronics in the resolver itself, they can handle high
temperatures,
coolant, and other abuse that would kill an optical encoder in
short
order. The bad thing about resolvers is that the circuitry to
generate
the
Mark Pictor wrote:
The nice thing about resolvers is that they are very rugged -
with no
electronics in the resolver itself, they can handle high
temperatures,
coolant, and other abuse that would kill an optical encoder in
short
order. The bad thing about resolvers is that the circuitry to
Hi Jon,
Those are hot chips... don't know how many resolvers there are out
that will handle the reference freq tho ... but not many apps will
push the rps spec. ;-)
http://www.analog.com/en/subCat/0,2879,760%5F791%5F0%5F%5F0%5F,00.html
Dave
On Aug 3, 2007, at 9:03 PM, Jon Elson wrote:
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