Siemens SIMOTICS S-1FT7 User Manual

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
156 Configuration Manual, 09/2018, A5E45099423B AA
Three-phase servomotor 1FT7042-5AK7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
6000
Rated torque (100K)
M
N(100K)
Nm
2.0
Rated current (100K)
I
N(100K)
A
3.0
Static torque (100K)
M
0(100K)
Nm
3.0
Stall current (100K)
I
0(100K)
A
3.9
Static torque (60K)
M
0(60K)
Nm
2.4
Stall current (60K)
I
0(60K)
A
3.1
Optimum operating point:
Optimum speed
n
opt
rpm
6000
Optimum power
P
opt
kW
1.26
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 13.0
Maximum current
I
max
A
21.0
Motor data:
No. of poles
2p
6
Torque constant (100K)
k
T
Nm/A
0.765
Voltage constant (at 20 °C)
k
E
V/1000 rpm
48.6
Winding resistance (at 20 °C)
R
Str
W
1.11
Rotating field inductance
L
D
mH
6.5
Electrical time constant
T
el
ms
6
Mechanical time constant
T
mech
ms
1.6
Thermal time constant
T
th
min
20
Moment of inertia
J
mot
kgm
2 ,
10
-4
2.81
Shaft torsional stiffness
c
t
Nm/rad
16200
Weight
m
mot
kg
4.6
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 ,
10
-4
3.68
Shaft torsional stiffness (with brake)
c
t
Nm/rad
11700
Weight (with brake)
m
mot
kg
5.5
Data with SINAMICS S120 Booksize / S120 Booksize Compact
Rated converter current I
N Inv
A 5
Maximum converter current
I
max Inv
A
15
Max. torque (converter operation) M
max Inv
Nm 10.4
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