Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread Sam Sokolik
ter. >> >> Anyway, that's how I'd calculate RPM. What's the position interpolated. >> And is there a better way to get more accurate RPM? >> John >> >> >> >> > -Original Message- >> > From: Sam Sokolik [mailto:samco...@gmail.co

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread Sam Sokolik
unt the > 20kHz tick clock has to be much faster. > > Anyway, that's how I'd calculate RPM. What's the position interpolated. > And is there a better way to get more accurate RPM? > John > > > > > -Original Message- > > From: Sam Sokolik [mailto:samco...@gmai

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread John Dammeyer
gt; Subject: Re: [Emc-users] missing tooth index questions.. > > That was my plan - use position-interpolated.. 100 counts is barely enough > for smooth motion. > > sam > > On Mon, Sep 19, 2022 at 11:51 AM andy pugh wrote: > > > On Mon, 19

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread Sam Sokolik
That was my plan - use position-interpolated.. 100 counts is barely enough for smooth motion. sam On Mon, Sep 19, 2022 at 11:51 AM andy pugh wrote: > On Mon, 19 Sept 2022 at 17:06, John Dammeyer > wrote: > > > No. > > A slot is still a hole. So if you are counting, say falling edges, you >

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread andy pugh
On Mon, 19 Sept 2022 at 17:06, John Dammeyer wrote: > No. > A slot is still a hole. So if you are counting, say falling edges, you > will get 5 of them. If you count rising edges you will get 5 of them. Actually, the missing-tooth scheme takes a different opinion. Each hole corresponds to

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread John Dammeyer
. John > -Original Message- > From: Martin Dobbins [mailto:tu...@hotmail.com] > Sent: September-19-22 7:12 AM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] missing tooth index questions.. > > Dyslexia rules ko? > > In your illustration I cou

Re: [Emc-users] missing tooth index questions..

2022-09-19 Thread Martin Dobbins
> -Original Message- > From: Sam Sokolik [mailto:samco...@gmail.com] > Sent: September-18-22 1:51 PM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] missing tooth index questions.. > > I have a optical encoder from a mouse running on an emco encoder wheel (100

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Sam Sokolik
rtin Dobbins wrote: >>> > Er 100 minus 2 (the holes you cut metal between is 98? >>> >>> He cut out the metal between two holes to make 99 holes, one being twice >>> as wide as the rest. Did I follow that right? >>> >>> >

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Sam Sokolik
ght? >> >> > >> > From: Ed >> > Sent: Sunday, September 18, 2022 4:53 PM >> > To: emc-users@lists.sourceforge.net >> > Subject: Re: [Emc-users] missing tooth index questions.. >> > >> > O

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Sam Sokolik
make 99 holes, one being twice > as wide as the rest. Did I follow that right? > > > > > From: Ed > > Sent: Sunday, September 18, 2022 4:53 PM > > To: emc-users@lists.sourceforge.net > > Subject: Re: [Emc-users] missing tooth ind

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Ed
, 2022 4:53 PM To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] missing tooth index questions.. On 9/18/22 3:50 PM, Sam Sokolik wrote: I have a optical encoder from a mouse running on an emco encoder wheel (100 holes). I cut out the metal between 2 holes. I think that would be considered

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread John Dammeyer
age- > From: Sam Sokolik [mailto:samco...@gmail.com] > Sent: September-18-22 1:51 PM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] missing tooth index questions.. > > I have a optical encoder from a mouse running on an emco encoder wheel (100 > holes). I cut out t

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Martin Dobbins
Er 100 minus 2 (the holes you cut metal between is 98? From: Ed Sent: Sunday, September 18, 2022 4:53 PM To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] missing tooth index questions.. On 9/18/22 3:50 PM, Sam Sokolik wrote: > I have a opti

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Ed
On 9/18/22 3:50 PM, Sam Sokolik wrote: I have a optical encoder from a mouse running on an emco encoder wheel (100 holes). I cut out the metal between 2 holes. I think that would be considered one missing tooth... I have the encoder scale set to 100 and the missing tooth set to 1 I have a

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread dave engvall
This may be a bit wild  but use pll and trigger when the expected pulse doesn't appear. Maybe a bit far out of the box. Basically the reverse of synchronous detection. D On 9/18/22 1:59 PM, Sam Sokolik wrote: in case that screenshot didn't come through

Re: [Emc-users] missing tooth index questions..

2022-09-18 Thread Sam Sokolik
in case that screenshot didn't come through https://electronicsam.com/images/emco/Screenshot%20from%202022-09-18%2015-43-25.png On Sun, Sep 18, 2022 at 3:50 PM Sam Sokolik wrote: > I have a optical encoder from a mouse running on an emco encoder wheel > (100 holes). I cut out the metal

[Emc-users] missing tooth index questions..

2022-09-18 Thread Sam Sokolik
I have a optical encoder from a mouse running on an emco encoder wheel (100 holes). I cut out the metal between 2 holes. I think that would be considered one missing tooth... I have the encoder scale set to 100 and the missing tooth set to 1 I have a little comp that sets the index enable to