On Mon, 11 Jun 2007, RogerN wrote:
> Date: Mon, 11 Jun 2007 12:46:17 -0500
> From: RogerN <[EMAIL PROTECTED]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: [email protected]
> Subject: [Emc-users] Lathe Spindle, Mesa Help!
>
> I have my X and Z axis working and my spindle drive is on the way. I
> need to connect the spindle encoder so I can cut threads. I don't know
> if I need to connected to the Mesa encoder inputs, general purpose
> inputs, parallel port or what. On the Pluto-lathe configuration, it's
> connected the pluto board, on the NIST_Lathe, it's connected to the
> parallel port. Unfortunately I don't have a MESA-Lathe configuration to
> go off of and this is my first EMC and Linux experience. So far I
> haven't found information in the documentation about configuring a lathe
> spindle encoder. Can anyone here point me in the right direction? Or
> at least tell me where/how to find out this information?
>
> Thanks!
>
> Roger Neal
>
What is the maximum count rate of the encoder? This will determine
whether it can be use with I/O bits (Parallel port or 5I20 Input pins) or
whether you need to use the 5I20s encoder inputs.
Since you are only using 2 Servo Axis, might be simplest to just use
the 3rd axis encoder input on the 5I20 (and 7I33?) for the spindle encoder.
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