Siemens SIMOTICS S-1FT7 - Page 222

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
220 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7132-5AF71
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
3000
Rated torque (100K)
M
N(100K)
Nm
27.0
Rated current (100K)
I
N(100K)
A
14.0
Static torque (100K)
M
0(100K)
Nm
90
Stall current (100K)
I
0(100K)
A
43.5
Static torque (60K)
M
0(60K)
Nm
75
Stall current (60K)
I
0(60K)
A
36.0
Optimum operating point:
Optimum speed
n
opt
rpm
2150
Optimum power
P
opt
kW
12.0
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
3600
Maximum torque M
max
Nm 290
Maximum current
I
max
A
172
Motor data:
No. of poles
2p
8
Torque constant (100K)
k
T
Nm/A
2.08
Voltage constant (at 20 °C)
k
E
V/1000 rpm
137.0
Winding resistance (at 20 °C)
R
Str
W
0.0625
Rotating field inductance
L
D
mH
2.0
Electrical time constant
T
el
ms
32
Mechanical time constant
T
mech
ms
2.0
Thermal time constant
T
th
min
75
Moment of inertia
J
mot
kgm
2 .
10
-4
459
Shaft torsional stiffness
c
t
Nm/rad
347000
Weight
m
mot
kg
77
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 .
10
-4
512
Shaft torsional stiffness (with brake)
c
t
Nm/rad
231000
Weight (with brake)
m
Mot
kg
88
Data with SINAMICS S120 Booksize / S120 Booksize Compact
Rated converter current I
N Inv
A 45
Maximum converter current
I
max Inv
A
90
Max. torque converter M
max Inv
Nm 176.5
Max. permissible speed converter
n
max Inv
rpm
3600
The rated data are valid for a 600 V DC-link voltage