Technical Data and Characteristics
Speed-torque diagrams 1FK7 CT
1FK7 Synchronous Motors
3-18 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Table 3-9: 1FK7083 CT
Technical data Code Units –5AF71 –5AH71
Engineering data
Rated speed n
N
RPM 3000 4500
Number of poles 2p 8 8
Rated torque (100K)
M
N(100K)
Nm 10.5 3
Rated current
I
N
A7.43.6
Stall torque (60K)
M
0(60K)
Nm 13.3 13.3
Stall torque (100K)
M
0(100K)
Nm 16 16
Stall current (60K)
I
0 (60K)
A 8.6 12.4
Stall current (100K)
I
0 (100K)
A 10.4 15
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
35.9 35.9
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
27.3 27.3
Optimum operating point
Optimum speed
n
opt
RPM 3000 3000
Optimum power
P
opt
kW 3.3 3.3
Limiting data
Max. permissible speed (mech.)
n
max
RPM 6000 6000
Max. torque
M
max
Nm 50 50
Peak current
I
max
A3752
Physical constants
Torque constant
k
T
Nm/A 1.52 1.05
Voltage constant
k
E
V/1000 RPM 97 67
Winding resistance at 20 °C
R
ph
Ohm 0.4 0.17
Rotating field inductance
L
D
mH 6.0 2.9
Electrical time constant
T
el
ms 15 17
Shaft torsional stiffness
c
t
Nm/rad 105000 105000
Mechanical time constant
T
mech
ms 1.41 1.26
Thermal time constant
T
th
min 50 50
Weight with brake m kg 16.5 16.5
Weight without brake m kg 14 14
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