6 – 200 HEIDENHAIN Technical Manual TNC 426, TNC 430
MP2391 Maximum power for braking the first spindle in an 
emergency stop 
Input:  0.1 to 3000.000 [kW]
0: Braking power is not limited
MP2391.0 Wye connection
MP2391.1 Delta connection
MP2395 Maximum power for braking the first spindle in a power 
failure
Input:  0.1 to 3000.000 [kW]
0: Braking power is not limited
MP2395.0 Wye connection
MP2395.1 Delta connection
Note
If after entry of a value in MP2391.x or MP2395.x the mechanics are 
overloaded by the braking process, lower the value in MP2391.x or 
MP2395.x until you have found an optimum between braking time and 
mechanical loading.