July 2013 7.12 Determining entries for motor tables 1145
With MP2209.x you can overwrite the value for "Mass moment of inertia J" in
the motor table. This makes it possible to react to additional, rigidly coupled
inertias.
MP2209.x Mass moment of inertia of a drive motor
Input: * = Entry from the motor table active
Value of the mass moment of inertia in [kgm
2
]
Rated power
P-N in [W]
P-N: 9142
Calculation from n and Tcw105
P-N = 2 ⋅ π ⋅ (n / 60) ⋅ Tcw105
P-N = 2 ⋅ π ⋅ (180 / 60) ⋅ 485 Nm
P-N = 9142 W
Motor mass moment of inertia
J in [kgm
2
]
J: 0.157
Data sheet value J
J = 0.157 kgm
2
Inductance of the series reactor
L in [mH]
L: 0 µH
As long as (X1str+Xh) / (2 ⋅ π ⋅ (N-N / 60) ⋅ PZ) is
greater than 700 µH, no series reactor is required.
Thermal time constant for direct current
T-DC in [s]
T-DC: 60
Lower thermal cutoff frequency
F-DC in [Hz]
F-DC: 0.25
Thermal time constant for alternating current
T-AC in [s]
T-AC: 400
Upper thermal cutoff frequency
F-AC in [Hz]
F-AC: 0.25
Values in the HEIDENHAIN motor table Values from the motor data sheet
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