Siemens Simodrive 611 - Page 94

Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-52 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-27 1FT6108 natural cooling
1FT6108
Technical data Code Units -8AF7
Engineering data
Rated speed n
N
rpm 3000
Number of poles 2p 8
Rated torque (100 K)
M
N(100 K)
Nm 37
Rated current (100K)
I
N
A25
Stall torque (60K)
M
0(60 K)
Nm 58
Stall torque (100K)
M
0(100 K)
Nm 70
Stall current (60K)
I
0(60 K)
A33
Stall current (100K)
I
0(100 K)
A41
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
291
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
260
Optimum operating point
Optimum speed
n
opt
rpm 2500
Optimum power
P
opt
kW 12.0
Limiting data
Max. permissible speed (mech.)
n
max
rpm 5600
Maximum torque
M
max
Nm 220
Maximum current
I
max
A198
Physical constants
Torque constant
k
T
Nm/A 1.70
Voltage constant
k
E
V/1000 rpm 108
Winding resistance at 20 °C
R
ph
Ohm 0.065
Rotating field inductance
L
D
mH 1.5
Electrical time constant
T
el
ms 23
Shaft torsional stiffness
c
t
Nm/rad 92000
Mechanical time constant
T
mech
ms 1.8
Thermal time constant
T
th
min 55
Weight with brake m kg 60
Weight without brake m kg 55.5