sinamics v90: sometimes sina_pos ignores next fast ExecuteCmd.

Hi Baacus,

I faced similar problem. I am using sina_pos (S7-1200+V90 via profinet). When V90 performs short fast shaking moves (3 times +-10mm in ~400ms) sometimes sina_pos ignores next fast ExecuteCmd. I solved this problem by repeating Execute command after 500ms to sina_pos when drive not moving is detected, but it delays my sequence time . Using AxisPosRef positive edge did not solve problem. I suppoused some dalays in network. Have somebody face this problem and have somebody solution for this ???

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Split from sinamics v90 not moving problem.

I have one suspicion. Probably to send traverse setup before execution command Inside Fb284 (sina_pos) sbexecute bit is send after 5 call time cycles:

#siCycWait is set to 5 

Maybe next execution move is ignored if it apears before: last execution move+ 5x ob1 time (fb284 call time)  

???

Could somebody confirm my suspicion?

Thanks in advance,