Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Gene Heskett
[...] > So now I'm in the genesis stage of adding a couple timedelay's to > TLM's hal file to detect a stopped spindle 100 milliseconds after the > motor has been enabled. The idea is to issue an estop, and hold it > long enough (say 5 seconds?) the motor will have coasted to a stop > before its

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Gene Heskett
On Tuesday 13 September 2016 07:57:56 andy pugh wrote: > On 13 September 2016 at 11:51, Gene Heskett wrote: > > > ethernet-blue-data-cable-4x2x0-12mm-od-6-3mm-49-1790 > > > > 5 bucks a meter? A week to ship ARO? > > Well, clearly, you would look for a local vendor. I am

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Jon Elson
On 09/13/2016 12:07 PM, Jon Elson wrote: > On 09/12/2016 10:25 PM, Gene Heskett wrote: >> On Monday 12 September 2016 23:08:53 Gregg Eshelman wrote: >> >>> Why not use twisted pair ethernet cable? >>> >> Because its single strand solid and supposedly fragile? The ribbon is 7 >> strand & able to

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Chris Albertson
On Mon, Sep 12, 2016 at 8:25 PM, Gene Heskett wrote: > On Monday 12 September 2016 23:08:53 Gregg Eshelman wrote: > > > Why not use twisted pair ethernet cable? > > > Because its single strand solid and supposedly fragile? The ribbon is 7 > strand & able to stand more

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Jon Elson
On 09/12/2016 10:25 PM, Gene Heskett wrote: > On Monday 12 September 2016 23:08:53 Gregg Eshelman wrote: > >> Why not use twisted pair ethernet cable? >> > Because its single strand solid and supposedly fragile? The ribbon is 7 > strand & able to stand more flexing. > > There is "jumper" cable

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread John Kasunich
On Tue, Sep 13, 2016, at 06:51 AM, Gene Heskett wrote: > On Tuesday 13 September 2016 04:13:15 andy pugh wrote: > > > ethernet-blue-data-cable-4x2x0-12mm-od-6-3mm-49-1790 > > 5 bucks a meter? A week to ship ARO? They obviously aren't "hungry". > Based on buying some cutting tools from a

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread andy pugh
On 13 September 2016 at 11:51, Gene Heskett wrote: > > ethernet-blue-data-cable-4x2x0-12mm-od-6-3mm-49-1790 > > 5 bucks a meter? A week to ship ARO? > Well, clearly, you would look for a local vendor. I am just pointing out that the stuff exists. Should I stop posting

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Gene Heskett
On Tuesday 13 September 2016 07:19:23 Erik Christiansen wrote: > On 13.09.16 06:51, Gene Heskett wrote: > > The ideal cable would be a star-quad that Clark Wire in windy > > carried 20 years ago, it was 18 gauge in a mylar film covered in 68% > > braided shield, very limp stuff. But Susan is not

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Erik Christiansen
On 13.09.16 06:51, Gene Heskett wrote: > The ideal cable would be a star-quad that Clark Wire in windy carried 20 > years ago, it was 18 gauge in a mylar film covered in 68% braided > shield, very limp stuff. But Susan is not importing the heavier gauges > anymore, and its a piece of her 24

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread Gene Heskett
On Tuesday 13 September 2016 04:13:15 andy pugh wrote: > ethernet-blue-data-cable-4x2x0-12mm-od-6-3mm-49-1790 5 bucks a meter? A week to ship ARO? They obviously aren't "hungry". Based on buying some cutting tools from a limey vendor a year ago, I'll be 6 weeks getting it into my hands. Nyet.

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-13 Thread andy pugh
On 13 September 2016 at 04:25, Gene Heskett wrote: > > Why not use twisted pair ethernet cable? > > > Because its single strand solid and supposedly fragile? Fixed-installation ethernet cable is solid core. Patch cables are stranded. If you want to get carried away you

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Gregg Eshelman
o: emc-users@lists.sourceforge.net Sent: Monday, September 12, 2016 9:25 PM Subject: Re: [Emc-users] output sink of the 667 hall effect? On Monday 12 September 2016 23:08:53 Gregg Eshelman wrote: > Why not use twisted pair ethernet cable? > Because its single strand solid and suppos

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Gene Heskett
On Monday 12 September 2016 23:08:53 Gregg Eshelman wrote: > Why not use twisted pair ethernet cable? > Because its single strand solid and supposedly fragile? The ribbon is 7 strand & able to stand more flexing. And I found, at Wallies of all places tonight, some glue pens that dispense uv

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Gene Heskett
On Monday 12 September 2016 22:14:38 Jon Elson wrote: > On 09/12/2016 12:43 PM, Gene Heskett wrote: > > Greetings all; > > > > I see by the spec sheet that the allegro 667 gear sensor can sink up > > to 25 mills. > > > > But with 3 such sensors on the end of a long cable back to the > > breakout

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Gregg Eshelman
Why not use twisted pair ethernet cable? From: Gene Heskett To: emc-users@lists.sourceforge.net Sent: Monday, September 12, 2016 11:43 AM Subject: [Emc-users] output sink of the 667 hall effect? Greetings all; I see by the spec sheet that the allegro 667 gear

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Jon Elson
On 09/12/2016 12:43 PM, Gene Heskett wrote: > Greetings all; > > I see by the spec sheet that the allegro 667 gear sensor can sink up to > 25 mills. > > But with 3 such sensors on the end of a long cable back to the breakout > board, probably 7 foot by the time I get it routed, I am concerned with

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Chris Albertson
On Mon, Sep 12, 2016 at 3:32 PM, Gene Heskett wrote: > On Monday 12 September 2016 14:44:33 Chris Albertson wrote: > >> I think the RC filter idea would work OK. Gear teach are after all a >> low frequency signal, so a filter made with a cap size for a corner >> freq of

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Gene Heskett
On Monday 12 September 2016 14:44:33 Chris Albertson wrote: > I think the RC filter idea would work OK. Gear teach are after all a > low frequency signal, so a filter made with a cap size for a corner > freq of (say) 100KHz will keep RF out of the line. > I was thinking more in terms of a rail

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread Chris Albertson
I think the RC filter idea would work OK. Gear teach are after all a low frequency signal, so a filter made with a cap size for a corner freq of (say) 100KHz will keep RF out of the line. That said the "correct" way to do this is with a pair of driver/receiver chips. If you use RS422 (that is

Re: [Emc-users] output sink of the 667 hall effect?

2016-09-12 Thread sam sokolik
I used a 1k ohm. but.. We ran that right into a CUI line driver.. (I don't think you can get them anymore) then into a mesa differential encoder counter... http://www.digikey.com/product-search/en?keywords=102-1787-ND here is our mounting. You can see the index hole (the index sensor isn't