Wittenstein Alpha Premo SP Series, Operating Manual

Page: 30 / 54

premo Appendix
Revision: 02 4022-D045530 en-28
9.4 Technical specifications
9.4.1 Motor specifications, premo 320 V
This chapter gives you the technical data of the engine being used. The complete technical data of
the servo actuators can be found in the data sheet of the actuator. The permissible output
specifications of the actuator are influenced by the gearbox and lubricant being used. We would be
glad to provide you with the data sheet, please contact us at: service@wittenstein.de
Ordering code PxG x
XX
x-xxxxxxx-xxxxxxxxx-xxx (
XX
= stator)
Unit Stator
1C
Stator
2C
Stator
1D
Stator
2D
Stator
1F
Stator
3F
Operating voltage U
D
V
DC
320 320 320 320 320 320
Torque constant K
t
Nm/A
eff
0.35 0.39 0.41 0.52 0.51 0.54
Voltage constant K
e
V
eff
/krpm 21.0 23.7 25.0 31.6 31.1 32.5
Ambient temperature
θ
u
°C 40 40 40 40 40 40
Max. winding
temperature θ
max
°C 140 140 140 140 140 140
Heat transfer
resistance R
th
K/W 1.19 0.94 0.98 0.81 0.71 0.54
Thermal time
constants τ
th
min 12.0 15.7 13.0 17.4 24.0 33.2
Maximum power P
max
kW 0.90 1.88 1.38 2.49 2.75 8.98
Maximum torque T
max
Nm 1.40 2.84 2.76 5.53 6.09 16.7
Maximum current I
max
A
eff
4.36 7.74 7.71 12.0 13.3 34.4
Continuous stall
torque T
0
Nm 0.60 1.17 1.09 2.11 2.46 6.38
Continuous stall
current I
0
A
eff
1.73 2.96 2.74 4.04 4.80 12.2
No-load speed n
0
rpm 10530 9330 8855 7023 7166 6908
Connection resistance
R
tt
Ohm 15.1 5.70 7.48 3.72 3.23 0.53
Connection inductance
L
tt
mH 10.4 6.12 10.2 7.43 6.97 2.25
Electrical time
constant τ
e
ms 0.69 1.08 1.36 2.00 2.16 4.25
Pole pair number p 4 4 4 4 4 4
Moment of inertia
without brake J kgcm
2
0.22 0.35 0.46 0.83 1.57 4.13
Moment of inertia with
brake J kgcm
2
0.23 0.45 0.52 1.08 1.68 5.34
Tbl-16: Motor specifications, premo 320 V