5motor interface – Lenze 9400 User Manual
Page 218
5
Motor interface
5.9
Monitoring
218
Lenze · Servo-Inverter 9400 HighLine · Reference manual · DMS 10.0 EN · 11/2013 · TD05/06
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5.9.2.1
Example for entry of the characteristic for asynchronous servo motor
Motor type: MDFMARS 090-32
Data from the catalogue:
• Rated speed n
rated
: 1410 rpm Setting in
• Rated current I: 6.1 A Setting in
• Rated torque M
rated
: 10.2 Nm
• Characteristic of maximum torques (50 Hz, star connection):
[5-35] Torque/speed characteristic for motor type MDFMARS 090-32 from catalogue
0
6.1
10.2
0
600
1410
3000
M
n
4.5
C01196/1
C01196/3
C01196/5
C01196/7
C01196/6
C01196/4
C01196/8
C01196/2
Note!
At present, relative current values are still expected for the specification of the
interpolation points in subcodes 2, 4, 6, 8 of
. This example, however, already
uses relative torque values, the entry of which shall be possible at a later date.
Parameter
Setting
Info
1.0 min
Thermal time constant - winding
• Is unknown and is therefore deactivated by setting
= "0 %".
5.0 min
Thermal time constant - laminated core/housing
0 %
Percentage of the winding in the final temperature.
0 %
Speed = "0" (standstill)
Permissible motor torque at standstill
Self-ventilated:
60 %
= 6.1 Nm / 10.2 Nm * 100 %
Forced-ventilated:
100 %
= 10.2 Nm / 10.2 Nm * 100 %
Speed n
2
from which the torque must be reduced for self-ventilated motors.
Self-ventilated:
43 %
= 600 rpm / 1410 rpm * 100 %
Forced-ventilated:
0 %
No torque reduction required.
100 %
Permissible motor torque at speed n
2
(torque reduction)
100 %
Rated speed (≡ 1410 rpm)
100 %
Permissible motor torque at rated speed (≡ 10.2 Nm)
213 %
Speed above the rated speed (in the field weakening range for asynchronous
motors)
= 3000 rpm / 1410 rpm * 100 %
44 %
Permissible motor torque at speed n
4
(field weakening)
= 4.5 Nm / 10.2 Nm * 100 %