Siemens SIMOTICS T-1FW3 - Page 169

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
167
Table 6- 7 1FW3150, rated speed 750 rpm
Engineering data
Code
Unit
1FW3150-1☐P
Rated speed
n
N
rpm
750
Rated torque (100 K)
M
N (100 K)
Nm
100
Rated power (100 K)
P
N (100 K)
kW
7.9
Rated current (100 K)
I
N (100 K)
A
18.0
Static torque (100 K)
M
0 (100 K)
Nm
105
Stall current (100 K)
I
0 (100 K)
A
17.5
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1700
Max. permissible speed (converter)
n
max Inv
rpm
1470
Maximum torque
M
max
Nm
200
Maximum current
I
max
A
41.0
Motor data
Number of poles
2p
14
Ratio of speed measurement
(belt-driven encoder)
i
enc
-- -3.5
Torque constant
k
T
Nm/A
6.1
Voltage constant (at 20 °C)
k
E
V/1000 rpm
393
Winding resistance (at 20 °C)
R
ph
Ω
0.75
Rotating field inductance
L
D
mH
21
Electrical time constant
T
el
ms
28.0
Thermal time constant
T
th
min
4.0
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
7.3
Moment of inertia
J
mot
kgm
2
0.12
Shaft torsional stiffness
c
t
Nm/rad
3.13E+07
Weight
m
kg
87
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
3.6
Moment of inertia
J
mot
kgm
2
0.06
Shaft torsional stiffness
c
t
Nm/rad
1.13E+06
Weight
m
kg
102
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
8.5
Moment of inertia
J
mot
kgm
2
0.14
Shaft torsional stiffness
c
t
Nm/rad
3.14E+07
Weight
m
kg
102
The specified rated data are valid for a 600 V DC link voltage