Siemens SIMOTICS S-1FT7 - Page 166

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
164 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7046-5AH7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
4500
Rated torque (100K)
M
N(100K)
Nm
2.4
Rated current (100K)
I
N(100K)
A
3.2
Static torque (100K)
M
0(100K)
Nm
7.0
Stall current (100K)
I
0(100K)
A
8.1
Static torque (60K)
M
0(60K)
Nm
6.0
Stall current (60K)
I
0(60K)
A
6.9
Optimum operating point:
Optimum speed
n
opt
rpm
3500
Optimum power
P
opt
kW
1.32
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 31.0
Maximum current
I
max
A
38.0
Motor data:
No. of poles
2p
6
Torque constant (100K)
k
T
Nm/A
0.87
Voltage constant (at 20 °C)
k
E
V/1000 rpm
55.5
Winding resistance (at 20 °C)
R
Str
W
0.415
Rotating field inductance
L
D
mH
2.9
Electrical time constant
T
el
ms
7.0
Mechanical time constant
T
mech
ms
1.2
Thermal time constant
T
th
min
35
Moment of inertia
J
mot
kgm
2
* 10
-4
7.52
Shaft torsional stiffness
c
t
Nm/rad
10300
Weight
m
mot
kg
9.3
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2
* 10
-4
8.39
Shaft torsional stiffness (with brake)
c
t
Nm/rad
8300
Weight (with brake)
m
Mot
kg
10.2
Data with SINAMICS S120 Booksize / S120 Booksize Compact:
Rated converter current I
N Inv
A 9
Maximum converter current
I
max Inv
A
27
Max. torque (converter operation) M
max Inv
Nm 22.4
Max. permissible speed (converter operation)
n
max Inv
rpm
9000
The rated data are valid for a 600 V DC-link voltage