Siemens Simodrive 611 - Page 92

Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-50 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-26 1FT6108 natural cooling
1FT6108
Technical data Code Units -8AB7 -8AC7
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 61 55
Rated current (100K)
I
N
A 20.5 24.5
Stall torque (60K)
M
0(60 K)
Nm 58 58
Stall torque (100K)
M
0(100 K)
Nm 70 70
Stall current (60K)
I
0(60 K)
A 18.1 23.5
Stall current (100K)
I
0(100 K)
A22.329
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
291 291
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
260 260
Optimum operating point
Optimum speed
n
opt
rpm 1500 2000
Optimum power
P
opt
kW 9.58
11.5
Limiting data
Max. permissible speed (mech.)
n
max
rpm 5600 5600
Maximum torque
M
max
Nm 220 220
Maximum current
I
max
A 107 139
Physical constants
Torque constant
k
T
Nm/A 3.14 2.42
Voltage constant
k
E
V/1000 rpm 200 154
Winding resistance at 20 °C
R
ph
Ohm 0.22 0.13
Rotating field inductance
L
D
mH 5.2 3.1
Electrical time constant
T
el
ms 24 24
Shaft torsional stiffness
c
t
Nm/rad 92000 92000
Mechanical time constant
T
mech
ms 1.7 1.7
Thermal time constant
T
th
min 55 55
Weight with brake m kg 60 60
Weight without brake m kg 55.5 55.5