Siemens Simodrive 611 - Page 116

Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-74 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-38 1FT6108 force ventilated
1FT6108
Technical data Code Units -8SB7 -8SC7
Engineering data
Rated speed n
N
rpm 1500 2000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 83 80
Rated current (100K)
I
N
A3140
Stall torque (60K)
M
0(60 K)
Nm 75 75
Stall torque (100K)
M
0(100 K)
Nm 90 90
Stall current (60K)
I
0(60 K)
A2534
Stall current (100K)
I
0(100 K)
A3141
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 13.0
16.8
Limiting data
Max. permissible speed (mech.)
n
max
rpm 5600 5600
Maximum torque
M
max
Nm 220 220
Maximum current
I
max
A 116 154
Physical constants
Torque constant
k
T
Nm/A 2.91 2.18
Voltage constant
k
E
V/1000 rpm 185 139
Winding resistance at 20 °C
R
ph
Ohm 0.19 0.11
Rotating field inductance
L
D
mH 4.4 2.5
Electrical time constant
T
el
ms 23.0 23.0
Shaft torsional stiffness
c
t
Nm/rad 92000 92000
Mechanical time constant
T
mech
ms 1.8 1.8
Thermal time constant
T
th
min 20 20
Weight with brake m kg 66 66
Weight without brake m kg 61.5 61.5