Torque Setpoint in SINAMICS DCM

I want to run an Uncoiler in Tension Control Mode keeping Tension Constant . Actually the operator will be setting the Tension from the HMI and The Actual Tension Should match it at every instant So for doing so we need to vary our Torque Setpoint Reference every time according to the Dia .

Now My Query based on above Explaination is :-

Sarabjot Singh Manku