Siemens SIMOTICS T-1FW3 - Page 185

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
183
Table 6- 15 1FW3155, rated speed 500 rpm
Engineering data
Code
Unit
1FW3155-1☐L
Rated speed
n
N
rpm
500
Rated torque (100 K)
M
N (100 K)
Nm
400
Rated power (100 K)
P
N (100 K)
kW
21.0
Rated current (100 K)
I
N (100 K)
A
43.0
Static torque (100 K)
M
0 (100 K)
Nm
420
Stall current (100 K)
I
0 (100 K)
A
45.0
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1700
Max. permissible speed (converter)
n
max Inv
rpm
960
Maximum torque
M
max
Nm
800
Maximum current
I
max
A
103
Motor data
Number of poles
2p
14
Ratio of speed measurement
(belt-driven encoder)
i
enc
-- -3.5
Torque constant (100 K)
k
T
Nm/A
9.4
Voltage constant (at 20 °C)
k
E
V/1000 rpm
600
Winding resistance (at 20 °C)
R
ph
Ω
0.265
Rotating field inductance
L
D
mH
10.0
Electrical time constant
T
el
ms
38.0
Thermal time constant
T
th
min
4.0
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
2.2
Moment of inertia J
mot
kgm
2
0.24
Shaft torsional stiffness
c
t
Nm/rad
1.40E+07
Weight
m
kg
150
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
1.5
Moment of inertia
J
mot
kgm
2
0.17
Shaft torsional stiffness
c
t
Nm/rad
8.30E+05
Weight
m
kg
164
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
2.6
Moment of inertia
J
mot
kgm
2
0.29
Shaft torsional stiffness
c
t
Nm/rad
1.84E+07
Weight
m
kg
163
The specified rated data are valid for a 600 V DC link voltage