Hello everyone hope you all doing well

 please can one help me want how I can do encoder less at drive S120 from OP

thank you all 

Hello;

Have a look at this document, for the Sinamics S120 Function Manual for Drive Functions:

https://support.industry.siemens.com/cs/ca/en/view/109781535/136040264587

Hope this helps,

Daniel Chartier