Siemens Simodrive 611 - Page 74

Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-32 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-16 1FT6082 natural cooling
1FT6082
Technical data Code Units -8AH7 -8AK7
Engineering data
Rated speed n
N
rpm 4500 6000
Number of poles 2p 8 8
Rated torque (100 K)
M
N(100 K)
Nm 8.5 5.5
Rated current (100K)
I
N
A119.1
Stall torque (60K)
M
0(60 K)
Nm 10.8 10.8
Stall torque (100K)
M
0(100 K)
Nm 13.0 13.0
Stall current (60K)
I
0(60 K)
A 12.0 14.0
Stall current (100K)
I
0(100 K)
A 14.8 17.3
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
33.8 33.8
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
30 30
Optimum operating point
Optimum speed
n
opt
rpm 4500 4500
Optimum power
P
opt
kW 4.01 4.01
Limiting data
Max. permissible speed (mech.)
n
max
rpm 7900 7900
Maximum torque
M
max
Nm 42 42
Maximum current
I
max
A6073
Physical constants
Torque constant
k
T
Nm/A 0.88 0.75
Voltage constant
k
E
V/1000 rpm 56 48
Winding resistance at 20 °C
R
ph
Ohm 0.30 0.21
Rotating field inductance
L
D
mH 2.9 1.9
Electrical time constant
T
el
ms 9.7 9.0
Shaft torsional stiffness
c
t
Nm/rad 90000 90000
Mechanical time constant
T
mech
ms 3.5 3.4
Thermal time constant
T
th
min 30 30
Weight with brake m kg 16.5 16.5
Weight without brake m kg 15 15