[etherlab-users] Slave not going into PREOP

Florian Pose fp at igh-essen.com
Fri Oct 31 11:10:57 CET 2008


On Thu, Oct 30, 2008 at 04:24:30PM -0500, William wrote:
> EtherCAT ERROR: Reception of SII read datagram failed on slave 0: No 
> response.
> EtherCAT ERROR: Failed to fetch SII contents of slave 0.
> EtherCAT: Bus scanning completed in 16 ms.
> 
> Any idea why this might happen?
> Suggestions for debugging?

Please try this version (I fixed a race condition in the timeout
calculation): 

http://etherlab.org/download/ethercat-1.4.0-rc3-r1529.tar.bz2

If that does not fix the problem, please enable the debug messages with
'ethercat debug 1' and post the logs again.

-- 
Best regards,
Florian Pose

http://etherlab.org



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