[etherlab-users] Beckhoff EL3104 - Problem while setting OP state

[hamelin.philippe at ireq.ca]

Hello,
 
I'm trying to setup DC synchronization with the EL3104 ethercat module. For testing purpose, I just slightly modified the "dc_user" in order to support only the bus coupler and the EL3104. The problem is that I have a timeout while setting OP state, and thus it goes to SAFEOP + ERROR state. I tested both the official 1.5.1 release and the current tip version (c0b4c64fcebd). I'm using Linux kernel 3.4.4 with RT-PREEMPT patches and the generic driver. I attached the dmesg output and the test program.
 
What could be the reason why the EL3104 can't do the transition from SAFEOP to OP?
 
Thank you for your help,
 
------------------------------------
Philippe Hamelin, ing., M. Ing
Chercheur / Researcher

T: 450-652-8499 x2198
F: 450-652-1316

Expertise robotique et civil
Institut de recherche d'Hydro-Québec (IREQ)
1740, boul. Lionel-Boulet
Varennes (QC) J3X 1S1, Canada

 
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