Engineering Guide CDA3000
3-69
3 Selection of inverter module
DE
EN
1
2
3
4
5
6
7
A
10° positioning error, referred to the motor shaft, is equivalent to a posi-
tioning error of a traction drive (i=20, drive pinion 60 mm) of +
0.15 mm.
For more information on start/stop operation refer to section 1.3.3.
d = Diameter of drive pinion in mm
Standard motor (U
N
= 400 V)
1500 rpm to 0 rpm
9° 9° 9°
Standard motor (U
N
= 400 V)
1500 rpm to 0 rpm
4° 4° 3°
Servomotor (U
N
= 330 V)
1500 rpm to 0 rpm
12° 10° 8°
Servomotor (U
N
= 330 V)
1500 rpm to 0 rpm
6° 5° 4°
Values referred to the motor shaft
Property
VFC
Voltage
Frequency
Control
SFC
Sensorless Flux
Control
FOR
Field-Oriented
Regulation
Table 3.33 Typical positioning errors referred to the motor shaft in °
∆
s
π d10°⋅⋅
360° i⋅
-----------------------
mm[]==
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