Dear All,

S7-1517TF V2.8 Sync V5 TIAV16

I would like to sync 2 real slaves (S120) to a commun virtual master. Synchronisation should occur at master standstill. 

MasterSyncPos is the actual master position

SlaveSyncPos is the actual master position

SyncProfileReference is 0

SyncDirection is 3

All axis are enable and homed

For the moment I'm trying in simulation and with all axis in virtual axis configuration.

At the first PLC start (like power on) everything goes smooth but if I do a PLC stop -> start. The 3 axis has the same position and the MC_GEARINPOS remains in Busy.

So my questions:

I a sync possible with the master in standstill?

If Yes, what are the conditions. I couldn't find anything in the documentation.

Thanks for helping

Best regards

Claude

Hello,

yes, you re right.

For camming there is a FAQ.

https://support.industry.siemens.com/cs/ww/en/view/109758886

Thank You for the confirmation, ai least i didn't do this for nothing.

I tried it and it works fine, it's a bit disappointing that the MC_GearInPos doesn't do it but now i have everything in own hands and can decide the slave movement strategy.