HEIDENHAIN TNC 426 CB, Technical Manual

Page: 795 / 1135

December 2001 Commissioning 6 – 465
n
Counting direction of the motor encoder (DIRECT.)
n
Maximum temperature (T-MAX) in °C
n
Maximum current (I-MAX) in A
n
Rated power output (P-N) in W
n
Motor mass moment of inertia (J) in kgm
2
n
Inductance of the series reactor (L) in µH
n
Thermal time constant DC (T-DC) in s
n
Transition frequency on T-DC (F-DC) in Hz
n
Thermal time constant AC (T-AC) in s
n
Transition frequency on T-AC (F-AC) in Hz
The inductance of the series reactor is calculated as follows:
n
L: Inductance of the series reactor in µH
n
f
PWM
: PWM frequency [Hz]
Spindle with integral DSP: 5000 Hz
Spindle without integral DSP: Value from MP2180.0-8
n
X
1
: Stator leakage reactance [m
Ω
]
n
X
2
: Rotor leakage reactance [m
Ω
]
n
f
N
: Rated frequency [Hz]
A negative result means that there is no series reactor.
MP2100.0-8 Type of power module for axes 1 to 9
Input: Name of the selected power module (entered by the TNC)
MP2101 Model of power module for the spindle
Input: Name of the selected power module (entered by the TNC)
MP2200.0-8 Motor model for axes 1 to 9
Input: Name of the selected motor (entered by the TNC)
MP2201 Motor model for the spindle
Input: Name of the selected motor (entered by the TNC)
L
700 µH 5000 Hz
⋅
f
PWM
---------------------------------------------
X
1
X
2
+
( )
1000
⋅
2
π
f
N
⋅ ⋅
--------------------------------------------
– =
Note
If a series reactor is installed later, the current controller must be
readjusted.