Hello Guest it is May 26, 2019, 01:40:08 PM

Recent Posts

Pages: 1 2 3 4 5 6 7 8 9 10
1
General Mach Discussion / Re: Mill or Turn?
« Last post by Hood on May 26, 2019, 12:40:36 PM »
Oh well, it was worth a try I suppose.
2
General Mach Discussion / Re: Mill or Turn?
« Last post by Davek0974 on May 26, 2019, 12:12:14 PM »
Great minds and all that...

I did that this morning after RTFM again - its a bit vague and one diagram shows no connection, another shows the 0v connection.

The are connected now but it made no difference. :(
3
Mach4 General Discussion / Re: Read droGageBlockT
« Last post by Ya-Nvr-No on May 26, 2019, 10:14:48 AM »
id start with mc.mcCntlSetLastError print out of each variable in the script then look at the history to see what is not correct.
but I suspect as id mentioned before its a timing issue and a sleep of a few seconds (maybe 3) needs to be used then look at the variables again in the same script. As it takes a little time for all the registers to update.
4
General Mach Discussion / Re: Mill or Turn?
« Last post by Hood on May 26, 2019, 09:55:53 AM »
Does your drive have a 5v and 0v connection for powering encoder? If it does you could maybe try connecting the 0v from the drive to the 0v on the encoder input of the CSMIO and see if that helps. Not sure if I have mine connected that way or not but I do remember that I had to use it on the lathe when I was using a CNC Building Blocks breakout board.
5
General Mach Discussion / Re: Mill or Turn?
« Last post by Davek0974 on May 26, 2019, 09:44:17 AM »
Not really, i do have a single-ended one somewhere, would have to order a line-driver to get differential output and its only 1024 pulse IIRC
6
General Mach Discussion / Re: Mill or Turn?
« Last post by Hood on May 26, 2019, 09:34:52 AM »
Don't suppose you have a spare encoder you could chuck up and use that for feedback to see if it is any better?
7
General Mach Discussion / Re: Mill or Turn?
« Last post by Davek0974 on May 26, 2019, 08:59:32 AM »
Manual shows them as buffered outputs, AM26ls31 line driver.

I have tried two cables - my go-to tester which was a centronics printer cable, now i have made a new cable with proper encoder cable, twisted-pair, shielded etc, damn expensive stuff too.

The cable is less than 1m long.

I cant find any tech spec on the CSMIO inputs though other than max freq is 6Mhz
8
General Mach Discussion / Re: Mill or Turn?
« Last post by Hood on May 26, 2019, 08:48:28 AM »
On the Chiron I initially had problems with the spindle drive faulting. Can't recall exactly in which way things faulted, whether it was the drive or the CSMIO. Ended up being the cable I had for the encoder to drive, made a new cable up and all was fine.

I don't really think it will be the drives or encoders as such but maybe just the signal output from the drives is not strong enough to push out to the control. Are they just straight through outputs or are they buffered?
9
General Mach Discussion / Re: Lathe trouble
« Last post by Hobbyist on May 26, 2019, 08:39:30 AM »
After far too many hours upgrading connectors, virtually all of the wiring, the BOB, and other components trying to pinpoint the problem, I noticed a burn mark on one of the insulation displacement quick connectors supplying power to one of the driver boards.  Although the driver seemed to be switching correctly to drive the stepper when I went through a diagnostic, the size of the burn mark was an indication that there had been arcing going on which must have produced high enough voltage spikes to blow all of the driver boards.  The first new driver installed works perfectly.
10
General Mach Discussion / Re: Mach3 aggressive motor movement stalling the motor
« Last post by ger21 on May 26, 2019, 08:31:38 AM »
I can't watch the video right now, but I can tell you that Mach3 will in some certain situations exceed the acceleration values, due to a bug (bugs?) in the trajectory planner. Most people never see this issue, but for some, it makes Mach3 unusable.

Mach4 should not have this issue at all, but I'm not sure how good  or what state the CS Labs Mach4 plugin is in.
Pages: 1 2 3 4 5 6 7 8 9 10