Siemens SIMOTICS S-1FT7 User Manual

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
280 Configuration Manual, 09/2018, A5E45099423B AA
6.3.3.4
1FT7068-_W
Three-phase servomotor 1FT7068-5WF7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
3000
Rated torque (100K)
M
N(100K)
Nm
29.5
Rated current (100K)
I
N(100K)
A
19.6
Static torque (100K)
M
0(100K)
Nm
30.0
Stall current (100K)
I
0(100K)
A
19.0
Static torque (60K)
M
0(60K)
Nm
24
Stall current (60K)
I
0(60K)
A
15.3
Optimum operating point:
Optimum speed
n
opt
rpm
3000
Optimum power
P
opt
kW
9.27
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 70
Maximum current
I
max
A
55.5
Motor data:
No. of poles
2p
10
Torque constant (100K)
k
T
Nm/A
1.57
Voltage constant (at 20 °C)
k
E
V/1000 rpm
99.0
Winding resistance (at 20 °C)
R
Str
W
0.315
Rotating field inductance
L
D
mH
3.35
Electrical time constant
T
el
ms
11
Mechanical time constant
T
mech
ms
1
Thermal time constant
T
th
min
1.5
Moment of inertia
J
mot
kgm
2 ,
10
-4
24.8
Shaft torsional stiffness
c
t
Nm/rad
27500
Weight
m
mot
kg
20.1
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 ,
10
-4
27.4
Shaft torsional stiffness (with brake)
c
t
Nm/rad
21500
Weight (with brake)
m
Mot
kg
21.3
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 68.5
Max. permissible speed (converter operation)
n
max Inv
rpm
5800
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