Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Ken Strauss
by Stetron that has now expired. For the gory details see https://trademarks.justia.com/734/96/surgistor-73496193.html > -Original Message- > From: Gene Heskett [mailto:ghesk...@wdtv.com] > Sent: Sunday, December 06, 2015 11:43 PM > To: emc-users@lists.sourceforge.net > Subj

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Jon Elson
On 12/07/2015 06:11 AM, Gene Heskett wrote: > I definitely need to restore some means of bleeding them > off when powered down. IIRC I saw some mini-candelabra > sockets at Wallies a while back so I need to get 2 of them > and put a lamp across each half of the supply. Its 2 in > series and 2

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread andy pugh
On 7 December 2015 at 15:53, Jon Elson wrote: > I would just get some vitreous enamel resistors. They are > not that expensive, even new. Or higher-power lower-resistance for a faster discharge.

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Ralph Stirling
you could stack a few in series. Haas mounts them in a metal cage on top of the electrical cabinet. -- Ralph From: andy pugh [bodge...@gmail.com] Sent: Monday, December 07, 2015 8:13 AM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] Poor mans

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Marcus Bowman
On 7 Dec 2015, at 03:57, Rafael wrote: > > > On 12/06/2015 07:25 PM, Gene Heskett wrote: >> Greetings all; >> >> Before tv's lost their crt's, there was a component in the power inlet >> circuit that had a very high negative temp coefficient, which was used >> to create a high voltage drop

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 05:29:15 andy pugh wrote: > On 7 December 2015 at 03:25, Gene Heskett wrote: > > About 3 or 4 of those, wired in parallel, would also serve as an > > inrush limiter when I turn on the power supply for my G0704 mill. > >

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread andy pugh
On 7 December 2015 at 03:25, Gene Heskett wrote: > About 3 or 4 of those, wired in parallel, would also serve as an inrush > limiter when I turn on the power supply for my G0704 mill. http://uk.rs-online.com/web/p/thermistors/2118030/ (And similar) But finding one that is

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 03:24:21 Marcus Bowman wrote: > On 7 Dec 2015, at 03:57, Rafael wrote: > > On 12/06/2015 07:25 PM, Gene Heskett wrote: > >> Greetings all; > >> > >> Before tv's lost their crt's, there was a component in the power > >> inlet circuit that had a very high negative temp

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread andy pugh
On 7 December 2015 at 12:11, Gene Heskett wrote: > IIRC I saw some mini-candelabra sockets at Wallies a while back > so I need to get 2 of them and put a lamp across each half of the > supply. Its 2 in series and 2 of those in parallel. I wonder if it would be worth using 240V

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread andy pugh
On 7 December 2015 at 11:23, Gene Heskett wrote: > a third (mechanical) relay that connects a crowbar >> resistor across the caps when the power goes off. > > That was the reason for the night light lamp cobbled into mine, but its > since burned out, probably from some rigid

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 06:52:38 andy pugh wrote: > On 7 December 2015 at 11:23, Gene Heskett wrote: > > a third (mechanical) relay that connects a crowbar > > > >> resistor across the caps when the power goes off. > > > > That was the reason for the night light lamp

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 07:19:25 andy pugh wrote: > On 7 December 2015 at 12:11, Gene Heskett wrote: > > IIRC I saw some mini-candelabra sockets at Wallies a while back > > so I need to get 2 of them and put a lamp across each half of the > > supply. Its 2 in series and 2

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 10:53:53 Jon Elson wrote: > On 12/07/2015 06:11 AM, Gene Heskett wrote: > > I definitely need to restore some means of bleeding them > > off when powered down. IIRC I saw some mini-candelabra > > sockets at Wallies a while back so I need to get 2 of them > > and put a

Re: [Emc-users] Poor mans soft turnon

2015-12-07 Thread Gene Heskett
On Monday 07 December 2015 11:13:45 andy pugh wrote: > On 7 December 2015 at 15:53, Jon Elson wrote: > > I would just get some vitreous enamel resistors. They are > > not that expensive, even new. > > Or higher-power lower-resistance for a faster discharge. >

[Emc-users] Poor mans soft turnon

2015-12-06 Thread Gene Heskett
Greetings all; Before tv's lost their crt's, there was a component in the power inlet circuit that had a very high negative temp coefficient, which was used to create a high voltage drop when it was cold, which in turn forced the first few seconds of its power draw after being turned on, thru

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Gene Heskett
e Controller (EMC) > > Subject: [Emc-users] Poor mans soft turnon > > > > Greetings all; > > > > Before tv's lost their crt's, there was a component in the power > > inlet > > circuit > > > that had a very high negative temp coefficient, which was used

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Jon Elson
On 12/06/2015 10:42 PM, Gene Heskett wrote: > On Sunday 06 December 2015 22:57:52 Rafael wrote: > >> On 12/06/2015 07:25 PM, Gene Heskett wrote: >>> Greetings all; >>> >>> Before tv's lost their crt's, there was a component in the power >>> inlet circuit that had a very high negative temp

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Rafael
On 12/06/2015 07:25 PM, Gene Heskett wrote: > Greetings all; > > Before tv's lost their crt's, there was a component in the power inlet > circuit that had a very high negative temp coefficient, which was used > to create a high voltage drop when it was cold, which in turn forced the > first few

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Ken Strauss
10:26 PM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] Poor mans soft turnon > > Greetings all; > > Before tv's lost their crt's, there was a component in the power inlet circuit > that had a very high negative temp coefficient, which was used to create a > h

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Gene Heskett
On Sunday 06 December 2015 22:57:52 Rafael wrote: > On 12/06/2015 07:25 PM, Gene Heskett wrote: > > Greetings all; > > > > Before tv's lost their crt's, there was a component in the power > > inlet circuit that had a very high negative temp coefficient, which > > was used to create a high voltage

Re: [Emc-users] Poor mans soft turnon

2015-12-06 Thread Gene Heskett
On Monday 07 December 2015 00:01:20 Jon Elson wrote: > On 12/06/2015 10:42 PM, Gene Heskett wrote: > > On Sunday 06 December 2015 22:57:52 Rafael wrote: > >> On 12/06/2015 07:25 PM, Gene Heskett wrote: > >>> Greetings all; > >>> > >>> Before tv's lost their crt's, there was a component in the