Siemens SIMOTICS T-1FW3 - Page 229

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
227
Table 6- 37 1FW3208, rated speed 500 rpm
Engineering data
Code
Unit
1FW3208-1☐L
Rated speed
n
N
rpm
500
Rated torque (100 K)
M
N (100 K)
Nm
1850
Rated power (100 K)
P
N (100 K)
kW
97
Rated current (100 K)
I
N (100 K)
A
225
Static torque (100 K)
M
0 (100 K)
Nm
2100
Stall current (100 K)
I
0 (100 K)
A
255
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1000
Max. permissible speed (converter)
n
max Inv
rpm
1100
Maximum torque
M
max
Nm
3700
Maximum current
I
max
A
530
Motor data
Number of poles
2p
28
Ratio of speed measurement
(belt-driven encoder)
i
enc
-- -3.5
Torque constant (100 K)
k
T(100 K)
Nm/A
8.2
Voltage constant (at 20 °C)
k
E
V/1000 rpm
525
Winding resistance (at 20 °C)
R
ph
Ω
0.027
Rotating field inductance
L
D
mH
0.9
Electrical time constant
T
el
ms
33.5
Thermal time constant
T
th
min
20
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
1.6
Moment of inertia J
mot
kgm
2
1.31
Shaft torsional stiffness
c
t
Nm/rad
9.55E+06
Weight
m
kg
350
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
1.3
Moment of inertia
J
mot
kgm
2
1.11
Shaft torsional stiffness
c
t
Nm/rad
2.35E+06
Weight
m
kg
420
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
1.5
Moment of inertia
J
mot
kgm
2
1.24
Shaft torsional stiffness
c
t
Nm/rad
2.17E+07
Weight
m
kg
385
The specified rated data are valid for a 600 V DC link voltage