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Technical data and characteristic curves
6.3 Data sheets and characteristics
6.3.6.4
1FT7087-_W
Three-phase servomotor 1FT7087 - 7WF7
Technical specifications
Configuration data:
Rated speed
Rated torque (100K)
Rated current (100K)
Static torque (100K)
Stall current (100K)
Static torque (60K)
Stall current (60K)
Optimum operating point:
Optimum speed
Optimum power
Limiting data:
Max. permissible speed (mech.)
Maximum torque
Maximum current
Motor data:
No. of poles
Torque constant (100K)
Voltage constant (at 20 °C)
Winding resistance (at 20 °C)
Rotating field inductance
Electrical time constant
Mechanical time constant
Thermal time constant
Moment of inertia
Shaft torsional stiffness
Weight
Motor data with integrated brake:
Moment of inertia (with brake)
Shaft torsional stiffness (with brake)
Weight (with brake)
Data with SINAMICS S120 Booksize:
Rated converter current
Maximum converter current
Max. torque (converter operation)
Max. permissible speed (converter operation)
The rated data are valid for a 600 V DC-link voltage
356
Symbol
Unit
n
rpm
N
M
Nm
N(100K)
I
A
N(100K)
M
Nm
0(100K)
I
A
0(100K)
M
Nm
0(60K)
I
A
0(60K)
n
rpm
opt
P
kW
opt
n
rpm
max mech
M
Nm
max
I
A
max
2p
k
Nm/A
T
k
V/1000 rpm
E
R
W
Str
L
mH
D
T
ms
el
T
ms
mech
T
min
th
J
kgm
10
2 ,
mot
c
Nm/rad
t
m
kg
mot
J
kgm
10
2 ,
mot
c
Nm/rad
t
m
kg
Mot
I
A
N Inv
I
A
max Inv
M
Nm
max Inv
n
rpm
max Inv
Configuration Manual, 09/2018, A5E45099423B AA
Value
3000
51
43
61
51
48
40
3000
16.0
8000
150
170
8
1.20
77
0.08
2.1
26
0.5
11
27.4
-4
60000
41
41.6
-4
45500
44
60
123.5
120
7500
S-1FT7 synchronous motors
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