Siemens SIMOTICS S-1FT7 - 1 Ft7042-_A

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
154 Configuration Manual, 09/2018, A5E45099423B AA
6.3.1.3
1FT7042-_A
Three-phase servomotor 1FT7042-5AF7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
3000
Rated torque (100K)
M
N(100K)
Nm
2.7
Rated current (100K)
I
N(100K)
A
2.1
Static torque (100K)
M
0(100K)
Nm
3.0
Stall current (100K)
I
0(100K)
A
2.1
Static torque (60K)
M
0(60K)
Nm
2.5
Stall current (60K)
I
0(60K)
A
1.8
Optimum operating point:
Optimum speed
n
opt
rpm
3000
Optimum power
P
opt
kW
0.85
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
9000
Maximum torque M
max
Nm 13.0
Maximum current
I
max
A
11.0
Motor data:
No. of poles
2p
6
Torque constant (100K)
k
T
Nm/A
1.375
Voltage constant (at 20 °C)
k
E
V/1000 rpm
87.5
Winding resistance (at 20 °C)
R
Str
W
3.6
Rotating field inductance
L
D
mH
21.4
Electrical time constant
T
el
ms
5.9
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 3
Maximum converter current
I
max Inv
A
9
Max. torque (converter operation) M
max Inv
Nm 10.9
Max. permissible speed (converter operation)
n
max Inv
rpm
6600
The rated data are valid for a 600 V DC-link voltage