Lenze 931E/K Small Drives Control - Manual (Page 43)

Commissioning
Torque control
Activating the operating mode
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43 SW−HB 13.0002−EN 4.1
5.3.4 Activating the operating mode
For torque control, configure the command window as follows:
931e_226
The torque setpoint can be selected in A or Nm. Open the menu Options
W Display units to
select the unit. The corresponding menus will then automatically use the selected unit.
If the torque is to be selected in Nm, the torque constant, i.e. the conversion factor between
current and torque, must be known. The torque constant can be entered in the menu
Parameters
W Device parameters W Motor data. Usually, it can also be calculated by means
of the nameplate data on the motor. For this, divide the rated torque by the rated current.
)
Note!
A torque constant of 0 Nm/A is impermissible, if "Torque in Nm" has been
activated.