> I tried to sum the two SDO signals of the two Slaves
> via 1K resistor, but the comm is still intermittent. 
> Is there other anyway around this?  Thanks!
> Best regards,

I use 10k resisters for pull-ups and have not had such problems.
-- 
D. Jay Newman           ! Polititions and civilations come and
jay@sprucegrove.com     ! go but the engineers and machinists 
http://enerd.ws/robots/ ! make progress
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