Re: [CAD_CAM_EDM_DRO] Re: Controlling more stepper drivers than I have outputs for?

This seems to be an ideal application for you to consider Ability
Systems Indexer LPT and G Code Controller. Indexer supports up to 8
axes and with the ability to issue low level command directives
associated with any axis - e.g. Tool changers or via M98 and M99 macros
- you should be able to implement slides and loaders etc., without
toooooo much trouble. As folks here may already know, G Code Controller
is currently in beta release and has excellent documentation and
support. Have a chat to Art at Ability Systems (215)657-4338 or
www.abilitysystems.com if you want to learn more.

I know this because I have just purchased Indexer and G Code controller
and have been reading the documentation over the last few days. Over
the next couple weeks I will be evaluating them for my CNC mill. I will
be happy to report my findings to everyone, in due course.

FYI, I will be driving G201 Geckos from the parallel ports but rather
than direct connections, I will be prototyping an opto isolation PCB to
protect the PC. Yes, I know the Gecko inputs are isolated but I need to
also isolate all limit switch inputs and coolant and motor control
outputs etc.

Cheers, Peter

dave_ace_me wrote:

> ummmm,
>
> there has been talk about using a relay to switch the output of the
> controllers. This is a no-no as power loss can be pretty great.
>
> Has anyone used relays to switch the control signal to the
> controllers ?
>
> or should we just wait for the 'black box' project?
>
> Dave
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "mart_wid" <vwa1244302@a...> wrote:
>
>>Hi, take a look at TurboCNC. Find out about it here:-
>>
> www.dakeng.com
>
>>All the best, Martin.
>>
>>
>>--- In CAD_CAM_EDM_DRO@y..., Jon Anderson <janders@n...> wrote:
>>
>>>A post to the Ahha group brought no replies, will try here. I am
>>>
>>looking
>>
>>>into an application where I would need to control a minimum of 6
>>>
>>axis,
>>
>>>up to 8 axis, in 2 axis pairs and with no more than any 4 axis
>>>
>>needed at
>>
>>>any particular time. Ahha will only control 4. I would have all
>>>
>>motors
>>
>>>and drivers powered, want to be able to switch step/dir lines
>>>
>>without
>>
>>>getting any jumping from switching noise. Also need to maintain
>>>
>>current
>>
>>>line status, whatever they might be at the moment. Would like to
>>>
>>do this
>>
>>>with off the shelf stuff, even if I have to build from the
>>>
>>component
>>
>>>level. This will probably be done with Gecko drives, which offers
>>>
>>the
>>
>>>choice of steppers or servos.
>>>
>>>In a nutshell, I want to automate a lathe with multiple slides,
>>>
> and
>
>>>control a robotic loader/unloader.
>>>Reason for wanting to do all this in Ahha is I want ALL info
>>>
>>related to
>>
>>>running a particular job in the G-code file. Yeah, going to be
>>>interesting setting up programs...<G>
>>>Goal is to reduce to a minimum the lot size needed to justify the
>>>automation. Do not want to get into PLC's and having to load
>>>
>>separate
>>
>>>programs.
>>>
>>>Jon A.
>>>
>
>
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