January 2012 6.20 Commissioning 1083
Motor mass moment of inertia
J in [kgm
2
]
J: 0.0006
Data sheet value J
mot
J = 0.00051 kgm
2
Inductance of the series reactor 
L in [mH]
L: 0
Thermal time constant for direct current
T-DC in [s]
T-DC: 2400
Calculation from data sheet value T
th
T-DC = T
th
 ⋅60
T-DC = 40 ⋅60
T-DC = 2400
Lower thermal cutoff frequency 
F-DC in [Hz]
F-DC: 0
Thermal time constant for alternating current
T-AC in [s]
T-AC: 2400
Calculation from data sheet value T
th
T-AC = T
th
 ⋅60
T-AC = 40 ⋅60
T-AC = 2400
Upper thermal cutoff frequency 
F-AC in [Hz]
F-AC: 0
Values in the HEIDENHAIN motor table Values from the motor data sheet