Siemens SIMOTICS S-1FT7 User Manual

Technical data and characteristic curves
6.3 Data sheets and characteristics
S-1FT7 synchronous motors
266 Configuration Manual, 09/2018, A5E45099423B AA
6.3.2.8
1FT7138-_S
Three-phase servomotor 1FT7138 - 5SB7
Technical specifications
Symbol
Unit
Value
Configuration data:
Rated speed
n
N
rpm
1500
Rated torque (100K)
M
N(100K)
Nm
250
Rated current (100K)
I
N(100K)
A
79
Static torque (100K)
M
0(100K)
Nm
280
Stall current (100K)
I
0(100K)
A
85
Static torque (60K)
M
0(60K)
Nm
230
Stall current (60K)
I
0(60K)
A
74
Optimum operating point:
Optimum speed
n
opt
rpm
1500
Optimum power
P
opt
kW
39
Limiting data:
Max. permissible speed (mech.)
n
max mech
rpm
3600
Maximum torque M
max
Nm 605
Maximum current
I
max
A
225
Motor data:
No. of poles
2p
8
Torque constant (100K)
k
T
Nm/A
3.2
Voltage constant (at 20 °C)
k
E
V/1000 rpm
211
Winding resistance (at 20 °C)
R
Str
W
0.052
Rotating field inductance
L
D
mH
1.96
Electrical time constant
T
el
ms
38
Mechanical time constant
T
mech
ms
1.4
Thermal time constant
T
th
min
28
Moment of inertia
J
mot
kgm
2 ,
10
-4
896
Shaft torsional stiffness
c
t
Nm/rad
283000
Weight
m
mot
kg
129
Motor data with integrated brake:
Moment of inertia (with brake)
J
mot
kgm
2 ,
10
-4
--
Shaft torsional stiffness (with brake)
c
t
Nm/rad
--
Weight (with brake)
m
Mot
kg
--
Data with SINAMICS S120 Booksize:
Rated converter current I
N Inv
A 85
Maximum converter current
I
max Inv
A
141
Max. torque (converter operation) M
max Inv
Nm 415
Max. permissible speed (converter operation)
n
max Inv
rpm
2700
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