Siemens SIMOTICS S-1FT7 User Manual

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
346 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7065 - 7WH7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
4500
Rated torque (100K)
M
N(100K)
Nm
16.5
Rated current (100K)
I
N(100K)
A
20
Static torque (100K)
M
0(100K)
Nm
19
Stall current (100K)
I
0(100K)
A
22
Static torque (60K)
M
0(60K)
Nm
16
Stall current (60K)
I
0(60K)
A
18.5
Optimum operating point:
Optimum speed
n
opt
rpm
4500
Optimum power
P
opt
kW
7.8
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 45
Maximum current
I
max
A
67
Motor data:
No. of poles
2p
6
Torque constant (100K)
k
T
Nm/A
0.86
Voltage constant (at 20 °C)
k
E
V/1000 rpm
55
Winding resistance (at 20 °C)
R
Str
W
0.23
Rotating field inductance
L
D
mH
4.4
Electrical time constant
T
el
ms
19
Mechanical time constant
T
mech
ms
0.6
Thermal time constant
T
th
min
9
Moment of inertia
J
mot
kgm
2 ,
10
-4
6.4
Shaft torsional stiffness
c
t
Nm/rad
27500
Weight
m
mot
kg
16
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 ,
10
-4
9.0
Shaft torsional stiffness (with brake)
c
t
Nm/rad
23500
Weight (with brake)
m
Mot
kg
17
Data with SINAMICS S120 Booksize:
Rated converter current I
N Inv
A 24
Maximum converter current
I
max Inv
A
72
Max. torque (converter operation) M
max Inv
Nm 45
Max. permissible speed (converter operation)
n
max Inv
rpm
9000
The rated data are valid for a 600 V DC-link voltage

Siemens SIMOTICS S-1FT7 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FT7
Category	Engine
Language	English