New absolute encoder ?

[rharter]

Hi,

 

I saw in an advertisment from ASA in the latest "Sterne und Weltraum" that they promote "Now new, all ASA mounts with absolute encoder".

I already thought that the used Renishaw encoders in "elderly" mounts are absolut encoders as well?

Are there any differences?

 

kind regards

 

Ralph

[GeorgeCarey]

The first DDM60 mounts did not have absolute encoders. The encoders fitted had to be calibrated by the user. This did not work very well so now they all have absolute encoders.

[rharter]

Hi,

 

I just wondering, because of the term new...

Do anyone knew something about the DDM 85, are there any changes in the encoder type?

 

greetings

Ralph

[D.Weinzinger]

Dear Ralph,

 

We use now absolute encoder for DDM160 and DDM85 models.We change from incremental to absolute encoder.

 

Best regards,

Dietmar Weinzinger

[rharter]

Dear Dietmar,

 

what does this mean for elderly mounts like mine DDM85 (about 2.5 years old)? How can I verify which encoders were built in?

If incremental encoders were built in,is it necessay to upgrade them in terms of precision or new software?

 

kind regards

Ralph

Edited June 15, 2015 by rharter

[Waldemar]

 Please correct me if I am wrong, but as far as I understand the technology, absolute encoders do not need a homefind, they 'know' exactly in which position they are. You only have to tell the software on which co-ordinates on the planet they are. From that moment on, provided the placing of the mount on the planet is not changed, it will always exactly know where it is, no matter if there was a power faillure, moving by hand or whatever. So no more homefinds or position errors. Start up can be performed from any position.

So if you have to do a homefind, you do NOT have absolute encoders.

Waldemar

[prefetch]

i too would love to know how to upgrade to absolute encoders.  homefind is a pain, and my mount gets very confused often between sessions.

[maxmirot]

It would be nice to know more details of 2.0 and the absolute encoders.

I sure the can be a upgrade. I am guessing the cost will be 6K USD. 

[rharter]

Hi,

 

for those of you who are interested in the anwser given by ASA regarding my above question after a direct request:

 

Mr. Weinzinger wrote:

 

Hallo Herr Harter,

 

Hinsichtlich der Präzision wird es kaum Unterschiede geben, , das sind die inkrementellen auch bereits sehr gut.

 

Bei der Software wird es vielleicht in der Zukunft mit den Absolute mehr Optionen geben.

Beim Start der neuen Software wird es keine Unterschiede geben. Derzeit arbeiten unser Entwickler bei den Tests mit Montierungen mit inkrementellen Encodern.

 

ASA – Discover Your Universe

Sollten Sie weitere Fragen haben, zögern Sie bitte nicht uns zu kontaktieren.

Should you have any further questions, please do not hesitate to contact us.

 

Mit freundlichen Grüßen / Best regards

 

Ing. Dietmar Weinzinger B.A.

Verkauf und Business Development / Sales and Business Development

ASA Astrosysteme GmbH

Galgenau 19

A-4212 Neumarkt i. M.

Tel.:   +43 (0)7942 77811-53

Fax:   +43 (0)7942 77811-60

Mob:  +43 (0)676 66 44 623

E-mail: d.weinzinger@astrosysteme.at

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Edited July 6, 2015 by rharter

[GeorgeCarey]

Which is, in English:

 

In terms of precision will hardly be differences, which are the incremental already very good.
In the software there might be in the future with the Absolute more options.
At the start of the new software, there will be no differences.

Currently, our developers work in testing with mounts with incremental encoders.

 

Translated by Google