On Tue, 12 Apr 2011, andy pugh wrote:

Date: Tue, 12 Apr 2011 15:46:58 +0100
From: andy pugh <bodge...@gmail.com>
Reply-To: "Enhanced Machine Controller (EMC)"
    <emc-users@lists.sourceforge.net>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Subject: Re: [Emc-users] losing position

On 12 April 2011 15:34, Stuart Stevenson <stus...@gmail.com> wrote:

 Yesterday the Enshu lost Y position during a program run. The Cinci has
done this previously

This sounds vaguely similar to
http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,38/id,8552/lang,english/
Though I have not, as yet, seen any follow-up data on it.

--
atp
"Torque wrenches are for the obedience of fools and the guidance of wise men"

One difference with Stuarts problem is that no following error was
reported, so maybe theres a slow leak of encoder counts or an
offset in the commanded position somewhere upstream.



Peter Wallace
Mesa Electronics

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