[etherlab-users] Beckhoff Terminal EL3356 possibly has a timing issue?

Dr. Ing. Olaf Marthiens marthiens at tecodrive.com
Wed Dec 21 11:30:19 CET 2016


Hello,

we have the same problem with the EL3356-0010. With the EtherCAT
Configurator 2.11 all is ok.

Have anyone a solution ?

With kind regards,

Olaf Marthiens.


-----Urspr√ľngliche Nachricht-----
Von: etherlab-users [mailto:etherlab-users-bounces at etherlab.org] Im Auftrag
von Dr.-Ing. Wilhelm Hagemeister
Gesendet: Dienstag, 8. November 2016 16:46
An: etherlab-users at etherlab.org
Betreff: [etherlab-users] Beckhoff Terminal EL3356 possibly has a timing
issue?

Hallo,

we observe with the Ethercat terminal EL3356 a timing issue and would like
to know if other users of the EtherLab EtherCat-Master experience this as
well:

The ethercat master writes the configuration SDO's before the transition
from PREOP to SAFEOP. We observe that if the transition to SAFEOP happens to
quick (<100ms) after writing the SDO's the process data from the terminal is
"wrong" or the terminal does not switch to OP.

It "feels" like the terminal is not ready with configuration after
SDO-writing and the request to switch to SAFEOP comes to early.

Has anybody else similar experiences (maybe also with other masters)?

With kind regards

Wilhelm Hagemeister.

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