On Tue, 9 Sep 2014, TJoseph Powderly wrote:
> Date: Tue, 09 Sep 2014 21:06:10 -0500
> From: TJoseph Powderly <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>
> Subject: Re: [Emc-users] Retrofitting scara robot
>
> 50% sounds high!
> manufacturers are NOT interested in old equipment running.
> what i got is scrounged off service techs and the web.
>
>
> hey, thx for the reality check
> if i tried to keep those encoders, i'd need spcl
> code to read them, plus they need an initialization
> messaging on startup and home. replacing them is smart
> thx tomp tjtr33
Note that its not always a win to replace the original encoders, many encoders
used on robototics are absolute (and include commutation data) plus newer ones
(mid 90s and after) can have much higher resolution than is possible with
quadrature encoders (due to quadrature frequency limitations)
>
> On 09/09/2014 04:08 PM, Marius Alksnys wrote:
>>
>> On 2014.09.09 23:26, TJoseph Powderly wrote:
>>> get something with documents
>>> its not just the motor and driver that can bite you.
>>>
>> Do you think it would be very hard to get those documents?
>> My luck in getting old (18 to 32 year old) machine documents from
>> manufacturer is about 50%. Sometimes it costs.
>>
>>
>
>
Peter Wallace
Mesa Electronics
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