Siemens SIMOTICS T-1FW3, Configuration Manual

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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