Re: [Emc-users] question on emi filters

2017-01-06 Thread Gene Heskett
On Friday 06 January 2017 14:13:07 andy pugh wrote: > On 6 January 2017 at 18:55, Gene Heskett wrote: > > Switching back to the bare hook tip on the probe, I found about a 15 > > volt square, with tons of ringing at about half the square parts > > amplitude, > > Have you

Re: [Emc-users] EDM machining --> EDM generator signals

2017-01-06 Thread Nicklas Karlsson
I used in CAN network and have seen something about it is available on Ethernet. To send messages over SPI or UART should be no problem. Nice thing is PDO for real time and SDO for configuration, then i use interpolated position mode there is a need to set the gain. On Fri, 6 Jan 2017 22:19:54

Re: [Emc-users] question on emi filters

2017-01-06 Thread andy pugh
On 6 January 2017 at 18:55, Gene Heskett wrote: > Switching back to the bare hook tip on the probe, I found about a 15 volt > square, with tons of ringing at about half the square parts amplitude, Have you tried simply turning things off one at a time? -- atp "A

Re: [Emc-users] question on emi filters

2017-01-06 Thread Gene Heskett
On Thursday 05 January 2017 13:08:54 Jon Elson wrote: > On 01/04/2017 10:07 PM, Gene Heskett wrote: > > I can't think of a thing in that whole kit that would be > > switching at 335 KHz. Except the regulator in the pi's > > power input. > > Trust nothing. LCD monitors, especially with CCFL >

Re: [Emc-users] EDM machining --> EDM generator signals

2017-01-06 Thread TJoseph Powderly
Nicklas i found http://www.siegels.us/HomeAutomation/CANOpen_Node_SGS/Tutorial.pdf to learn about canopen pdo very interesting idea you have tomp tjtr33 -- Check out the vibrant tech community on one of the world's most

Re: [Emc-users] EDM machining --> EDM generator signals --> Ready to go

2017-01-06 Thread TJoseph Powderly
Hello Nicklas On 01/06/17 21:32, Nicklas Karlsson wrote: > I am better do some real machining and research first. Good news is I am > basically ready to go. Yesterday graphics card freeze the screen and Eclipse > refused to work but now everything is good. > > EDM machine is located in cold

Re: [Emc-users] EDM machining --> EDM generator signals --> Ready to go

2017-01-06 Thread Nicklas Karlsson
I am better do some real machining and research first. Good news is I am basically ready to go. Yesterday graphics card freeze the screen and Eclipse refused to work but now everything is good. EDM machine is located in cold garage and temperature is to low this weekend so I postpone test run

Re: [Emc-users] EDM machining --> EDM generator signals

2017-01-06 Thread TJoseph Powderly
On 01/06/17 15:55, Nicklas Karlsson wrote: >> Nicklashello >> the time from voltage turn-on until the voltage dropis the ionization time >> this can be used as an indication of the gap 'clean'. >> >> as the cut progresses and more debris is generated, >> this time measure will change and

Re: [Emc-users] EDM machining --> EDM generator signals

2017-01-06 Thread Nicklas Karlsson
> Nicklashello > the time from voltage turn-on until the voltage dropis the ionization time > this can be used as an indication of the gap 'clean'. > > as the cut progresses and more debris is generated, > this time measure will change and decrease > because the debris will reducethedielectric