[etherlab-users] IgH Master License

[Mike O'Connor]

Hi

No cost for the Ethecat part just join the Ethercat consortium and
follow there rules.

The IgH Ethercat Master is GPL with parts being LGPL also mentioned so
its not clear to me which set of rules would apply.

LGPL allows you to bind via a library and not have your own code be come
`infected` by the GPL requirements of releasing your own code under the
GPL also.

Code which is under GPL and your code build against it must be release
to the public.

The only really safe way is to write parts which directly connect to
Ethercat Master as OSS code but have this communicate to your private code.

Also if your planning to use Linux you must release all the code used in
this (ie the whole OS)

Most OEM's forget this IE all the routers sold to millions of people
around the world generally break the GPL.

Its actually not that hard to meet the requirements under GPL. Just list
all the places you got code from and make sure your own code is released
or not affected by the GPL.

Mike

On 10/07/2018 9:35 PM, Karsten Hoffmann wrote:
> Hello,
>
> have in mind that "Ethercat" is a product from Beckhoff company, so if
> you want to sell a machine, you maybe need a license from Beckhoff.
>
> Best regards
>
> Karsten
>
> Am Mo., 9. Juli 2018 um 20:10 Uhr schrieb Javier <javigorod at gmail.com
> <mailto:javigorod at gmail.com>>:
>
>     Hello,
>
>     Somebody know if a OEM must pay license to include IgH ethercat
>     master
>     in his pc products with Linux for sell?
>
>     Thanks
>
>     Javier
>
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