hm2_5i25.0.encoder.00. is the hardware high speed encoder? 
hm2_5i25.0.encoder.01. is not the low speed encoder? 

I've been looking through all the HostMot2 docs I can find including the 
section on encoders and it's not very clear to me. 

http://www.linuxcnc.org/docs/2.6/html/drivers/hostmot2.html#_encoder

The PNCConf seems to think hm2_5i25.0.encoder.00. is the high speed spindle 
encoder input, so i presumed that when set to mode2 the low speed encoder 
inputs GPIO 16..19 would occupy the next two encoder instances.

The only reference to the low speed encoder inputs I've found is the sentence 
or two on pg.18 of the 7i76man.pdf you pointed out. Surely there is a more 
detailed explanation of this somewhere?



------Original Mail------
From: "Peter C. Wallace" <p...@mesanet.com>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Sent: Wed, 29 Oct 2014 10:43:46 -0700 PDT
Subject: Re: [Emc-users] Lathe conversion with Mesa 5i25 / 7i76

On Wed, 29 Oct 2014, p...@wpnet.us wrote:

> Date: Wed, 29 Oct 2014 12:29:53 -0500
> From: p...@wpnet.us
> Reply-To: "Enhanced Machine Controller (EMC)"
>     <emc-users@lists.sourceforge.net>
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Lathe conversion with Mesa 5i25 / 7i76
> 
> http://wpnet.us/Harrison2.ini
> http://wpnet.us/Harrison2.hal
>

The problem I see is the the mpg is connected to the spindle encoder on P2 
(channel 1) not the mpg encoder on the 7i76 field I/O



Peter Wallace
Mesa Electronics

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(='.'=) This is Bunny. Copy and paste bunny into your
(")_(") signature to help him gain world domination.


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