Siemens SIMOTICS S-1FT7 - Page 202

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
200 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7102-5AC7
Technical specifications
Symbol
Unit
Value
Configuration data
Rated speed
n
N
rpm
2000
Rated torque (100K)
M
N(100K)
Nm
24
Rated current (100K)
I
N(100K)
A
10
Static torque (100K)
M
0(100K)
Nm
30
Stall current (100K)
I
0(100K)
A
12.5
Static torque (60K)
M
0(60K)
Nm
25
Stall current (60K)
I
0(60K)
A
10.5
Optimum operating point:
Optimum speed
n
opt
rpm
2000
Optimum power
P
opt
kW
5.03
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
6000
Maximum torque M
max
Nm 120
Maximum current
I
max
A
64
Motor data:
No. of poles
2p
10
Torque constant (100K)
k
T
Nm/A
2.35
Voltage constant (at 20 °C)
k
E
V/1000 rpm
149.5
Winding resistance (at 20 °C)
R
Str
W
0.3
Rotating field inductance
L
D
mH
6.2
Electrical time constant
T
el
ms
21
Mechanical time constant
T
mech
ms
1.4
Thermal time constant
T
th
min
70
Moment of inertia
J
mot
kgm
2
* 10
-4
91.4
Shaft torsional stiffness
c
t
Nm/rad
181000
Weight
m
mot
kg
26.1
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2
* 10
-4
119
Shaft torsional stiffness (with brake)
c
t
Nm/rad
124000
Weight (with brake)
m
Mot
kg
32.3
Data with SINAMICS S120 Booksize / S120 Booksize Compact:
Rated converter current I
N Inv
A 18
Maximum converter current
I
max Inv
A
54
Max. torque (converter operation) M
max Inv
Nm 106
Max. permissible speed (converter operation)
n
max Inv
rpm
3800
The rated data are valid for a 600 V DC-link voltage