Siemens SIMOTICS S-1FT7 Configuration Manual page 131

1FT7 High Dynamic, liquid cooling
Table 5- 8 Armature short-circuit braking with/without external braking resistors
Motor type External brak-
ing resistor
1FT7065-7WF7
1FT7065-7WH7
1FT7067-7WF7
1FT7067-7WH7
1FT7085-7WF7
1FT7085-7WH7
1FT7087-7WF7
1FT7087-7WH7
S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
Average braking torque
R
/ Ω
Without external
opt
braking resistor
3.4 4
2.9 2
2.4 4
2.3 4
1.8 4
1.1 4
1.2 7
1.1 5
5.4 Brake resistances (armature short-circuit braking)
M / Max. braking
Br rms
Nm torque
With external
braking resis-
tor
8
8
11
11
18
17
26
26
rms braking current I
M
/
Br max
Nm
Without exter-
nal braking
resistor
10 17
10 23
14 24
14 30
22 34
21 55
32 51
32 67
Configuration
[A]
br rms
With external
braking resis-
tor
15
21
21
27
31
49
45
60
129