Siemens SIMOTICS T-1FW3 - Page 215

Technical data and characteristics
6.3 Data sheets and characteristics
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
213
Table 6- 30 1FW3204, rated speed 300 rpm
Engineering data
Code
Unit
1FW3204-1☐H
Rated speed
n
N
rpm
300
Rated torque (100 K)
M
N (100 K)
Nm
1000
Rated power (100 K)
P
N (100 K)
kW
31.5
Rated current (100 K)
I
N (100 K)
A
74
Static torque (100 K)
M
0 (100 K)
Nm
1050
Stall current (100 K)
I
0 (100 K)
A
77
Limiting data
Max. permissible speed (mech.)
n
max mech.
rpm
1000
Max. permissible speed (converter)
n
max Inv
rpm
670
Maximum torque
M
max
Nm
1850
Maximum current
I
max
A
163
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
13.5
Voltage constant (at 20 °C)
k
E
V/1000 rpm
855
Winding resistance (at 20 °C)
R
ph
Ω
0.125
Rotating field inductance
L
D
mH
4.2
Electrical time constant
T
el
ms
33.5
Thermal time constant
T
th
min
14.0
Mechanical data: Hollow-shaft version
Mechanical time constant
T
mech
ms
1.4
Moment of inertia J
mot
kgm
2
0.7
Shaft torsional stiffness
c
t
Nm/rad
1.64E+07
Weight
m
kg
225
Mechanical data: Solid shaft version
Mechanical time constant
T
mech
ms
1.3
Moment of inertia
J
mot
kgm
2
0.61
Shaft torsional stiffness
c
t
Nm/rad
2.88E+06
Weight
m
kg
285
Mechanical data: Plug-on shaft version
Mechanical time constant
T
mech
ms
1.4
Moment of inertia
J
mot
kgm
2
0.7
Shaft torsional stiffness
c
t
Nm/rad
3.00E+07
Weight
m
kg
260
The specified rated data are valid for a 600 V DC link voltage