Siemens Simodrive 611 - Page 76

Technical Data and Characteristics
Speed-torque diagrams
1FT6 Synchronous Motors
3-34 Configuration Manual, (PFT6), 10.2005 Edition, 6SN1197-0AD02-0BP1
Table 3-17 1FT6084 natural cooling
1FT6084
Technical data Code Units -8AC7 -AF7
Engineering data
Rated speed n
N
rpm 2000 3000
Number of poles 2p 4 4
Rated torque (100 K)
M
N(100 K)
Nm 16.9 14.7
Rated current (100K)
I
N
A8.311
Stall torque (60K)
M
0(60 K)
Nm 16.6 16.6
Stall torque (100K)
M
0(100 K)
Nm 20 20
Stall current (60K)
I
0(60 K)
A 7.2 10.7
Stall current (100K)
I
0(100 K)
A 8.8 13.2
Moment of inertia (with brake)
J
mot
10
–4
kgm
2
61.1 61.1
Moment of inertia (without brake)
J
mot
10
–4
kgm
2
48 48
Optimum operating point
Optimum speed
n
opt
rpm 2000 3000
Optimum power
P
opt
kW 3.54
4.62
Limiting data
Max. permissible speed (mech.)
n
max
rpm 7900 7900
Maximum torque
M
max
Nm 65 65
Maximum current
I
max
A3856
Physical constants
Torque constant
k
T
Nm/A 2.26 1.52
Voltage constant
k
E
V/1000 rpm 144 97
Winding resistance at 20 °C
R
ph
Ohm 0.91 0.41
Rotating field inductance
L
D
mH 10.4 4.8
Electrical time constant
T
el
ms 11.4 11.7
Shaft torsional stiffness
c
t
Nm/rad 76000 76000
Mechanical time constant
T
mech
ms 2.6 2.6
Thermal time constant
T
th
min 35 35
Weight with brake m kg 24 24
Weight without brake m kg 20.5 20.5