Siemens SIMOTICS S-1FT7 User Manual

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
210 Configuration Manual, 09/2018, A5E45099423B AA
6.3.1.15
1FT7108-_A
Three-phase servomotor 1FT7108-5AB7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
1500
Rated torque (100K)
M
N(100K)
Nm
61
Rated current (100K)
I
N(100K)
A
16
Static torque (100K)
M
0(100K)
Nm
70
Stall current (100K)
I
0(100K)
A
18
Static torque (60K)
M
0(60K)
Nm
58
Stall current (60K)
I
0(60K)
A
15
Optimum operating point:
Optimum speed
n
opt
rpm
1500
Optimum power
P
opt
kW
9.58
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
6000
Maximum torque M
max
Nm 280
Maximum current
I
max
A
87
Motor data:
No. of poles
2p
10
Torque constant (100K)
k
T
Nm/A
3.75
Voltage constant (at 20 °C)
k
E
V/1000 rpm
239
Winding resistance (at 20 °C)
R
Str
W
0.21
Rotating field inductance
L
D
mH
6
Electrical time constant
T
el
ms
29
Mechanical time constant
T
mech
ms
1
Thermal time constant
T
th
min
95
Moment of inertia
J
mot
kgm
2
* 10
-4
248
Shaft torsional stiffness
c
t
Nm/rad
126000
Weight
m
mot
kg
59.0
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2
* 10
-4
276
Shaft torsional stiffness (with brake)
c
t
Nm/rad
96000
Weight (with brake)
m
Mot
kg
65.1
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 190
Max. permissible speed (converter operation)
n
max Inv
rpm
2390
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