[etherlab-users] Regarding SDOs

[Erik Euving]

Dear Wilhelm,

Thanks for your answer! Makes sense!

Kind regards,
Erik


e.j.euving at student.utwente.nl | +31641615351

On 14 September 2016 at 16:53, Dr.-Ing. Wilhelm Hagemeister <hm at igh.de>
wrote:

> Hallo Erik,
>
> slaves have the "Slave Information Interface" (SII). This is more or less
> a EEROM which stores necessary information for the master to configure the
> slave.
> See also: http://etherlab.org/en/ethercat/faq.php
>
> Vendors can decide to store the SDO-Dictionary in the EEPROM or not.
> Because the EtherCat-Master only works with the information which can be
> fetched from the SII, it will present the SDOs if the dictionary is stored
> in the EEPROM otherwise not.
>
> Regards Wilhelm.
>
> Am 14.09.2016 um 10:19 schrieb Erik Euving:
>
>> Dear all,
>>
>> I have a question regarding SDOs of a specific slave I use for my setup,
>> namely the D1-N-36-E0-2-1-00 drive by HIWIN. As you can see in the
>> attached screenshot, when I type the "~> ethercat -p 1 sdos" command, I
>> do not receive any feedback from the slave. When I type the same command
>> for my other slave (E-Box by Ketels) I get the full list.
>>
>> My understanding about the inner workings of Ethercat and Etherlab is
>> very limited, but could someone explain why a slave would not give me
>> the list of available SDOs? I have a manual and I am able to access
>> individual SDOs (e.g. "~> ethercat upload -p 1 -t int8 0x6060 0" for
>> Mode of Operation) but requesting the full list is not possible.
>>
>> Thanks!
>>
>> Kind regards,
>> Erik
>>
>>
>> e.j.euving at student.utwente.nl <mailto:e.j.euving at student.utwente.nl> |
>> +31641615351
>>
>>
>>
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>>
>
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