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Topic: pauses during drip feed on newer computer...

By: KBobPosted on: Apr 9 2009 at 10:10:51 AM
I`m upgrading the current machine (a Win XP, P4 1.7GHz, 256Mb ram PC) to a (more) modern machine (Win XP, Core2Duo 2GHz, 2GB ram) and leaving everything else as-is.
The problem is that on the modern machine there are pauses when the 4-axis machine is waiting for data on its serial port; back on the original machine there are no pauses.
I suspected it might be because the new machine is dual-core and old one single-core, so I edited the boot.ini to force it to single cpu mode, but that did not cure the problem.
At the moment the old machine is back in place, but it isn`t going to last forever. Any ideas?
Thanks,
Bob

By: SupportPosted on: Apr 9 2009 at 12:09:00 PM
I assume there`s no actual data loss.

How long are these pauses - just a second causing the machining to stutter or many seconds ?

Does it pause often after almost every block/line of data or less often, for example on a long machining process maybe once every couple of minutes or so ?

Maybe email me.

support at easydnc dot com

.

By: KBobPosted on: Apr 9 2009 at 01:51:20 PM
The pauses are quite frequent, like every five seconds or so, and they are quite long, like sometimes for several seconds.
On the good machine the controller (a Yasnac) flashes up "IN" on its screen briefly when it`s grabbing the next load of blocks, the machine itself does not pause. It`s grabbing data all the time like this, with several seconds of machining, then a second (or thereabouts) to grab some more data.

On the bad machine the controllers puts up "IN" and sits there... sometimes for several seconds... then it goes out for a few seconds, machines a bit more, then goes back to the "IN" mode...

The settings between the two PCs are identical; the connection to the machine is unchanging; I`m most puzzled by this to be honest!

Yours,
Bob

By: KBobPosted on: Apr 9 2009 at 04:10:08 PM
I`ve now tried another PC - a WinXp P4 3GHz 1GB of ram - fresh install of easyDNC 4.0h, settings exactly the same as the other two machines. Result is pausing during download. There has to be some difference between the one that works and the two that don`t but I`m just not seeing it.
Most strange.
Bob.

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