Siemens 1FT7 - Page 156

Technical data and characteristic curves
4.2 Torque-speed characteristics
1FT7 Synchronous Motors
156 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
Table 4- 41 1FT7066-5WH7
Technical data Code Unit Value
Configuration data
Rated speed n
r
rpm 4,500
Number of poles 2p --- 10
Rated torque (100 K) M
r (100 K)
Nm 19.4
Rated current I
r
A 20.8
Static torque (60 K) M
0 (60 K)
Nm 16
Static torque (100 K) M
0 (100 K)
Nm 20
Stall current (60 K) I
0 (60 K)
A 15.7
Stall current (100 K) I
0 (100 K)
A 19.7
Moment of inertia (with brake) J
MotBr
10
-4
kgm
2
20.2
Moment of inertia (without brake) J
mot
10
-4
kgm
2
17.7
Optimum operating point
Optimum speed n
opt
rpm 4,500
Optimum power P
opt
kW 9.14
Limiting data
Max. permissible speed (mech.) n
max mech.
rpm 9,000
Max. permissible speed (inverter) n
max Inv
rpm 8,000
Max. torque M
max
Nm 55
Maximum current I
max
A 70.5
Physical constants
Torque constant k
T
Nm/A 1.02
Voltage constant k
E
V/1,000 rpm 64
Winding resistance at 20 °C R
ph
Ω 0.19
Rotating field inductance L
D
mH 1.93
Electrical time constant T
el
ms 10
Mechanical time constant T
mech
ms 1.0
Thermal time constant T
th
min. 1.5
Shaft torsional stiffness c
t
Nm/rad 24,200
Weight with brake m
MotBr
kg 17.4
Weight without brake m
Mot
kg 16.3
Recommended Motor Module 6SL312-1TE23-0AA3
Rated inverter current I
r Inv
A 30
Maximum inverter current I
max Inv
A 56
Max. torque at I
max Inv
M
max Inv
Nm 46