Siemens SINAMICS S120 Configuration Manual page 88

Motor components
6.4 Brake resistances (armature short-circuit braking)
Table 6-16 Dynamic braking for 1FK7 HD
Motor type Braking
resistor,
external
R
1FK7033-7AK71 16.7
1FK7043-7AH71 10.7
1FK7043-7AK71 7.9
1FK7044-7AF71 8.5
1FK7044-7AH71 7.2
1FK7061-7AF71 8.5
1FK7061-7AH71 6.4
1FK7064-7AF71 5.1
1FK7064-7AH71 3.8
1FK7085-7AF71 2.3
1FK7086-7AF71 1.9
Table 6-17 Dynamic braking for 1FK7 CT/HD on Power Module 1 AC 230 V
Motor type Braking
resistor,
external
R
1FK7011-5AK21 6.9
1FK7015-5AK21 19.1
1FK7022-5AK21 4.4
1FK7032-5AF21 3.5
1FK7033-7AF21 4.8
1FK7034-5AF21 3.3
1FK7042-5AF21 3.6
1FK7043-7AF21 5.9
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Average braking torque
M [Nm]
br rms
Without
[Ω]
opt
external
braking
resistor
0.5
0.5
0.4
0.9
0.7
0.9
0.6
1.3
1.1
2.2
5.4
Average braking torque
M [Nm]
br rms
Without
[Ω]
opt
external
braking
resistor
0.13
0.23
1.0
1.2
0.9
2.1
1.9
0.8
Max. braking
torque M
[Nm]
With external
braking
resistor
0.9 1.1
1.4 1.8
1.4 1.7
1.9 2.3
1.9 2.4
2.7 3.4
2.7 3.4
4.9 6.1
5.7 7.1
9.6 11.9
20.7 25.7
Max. braking
torque M
[Nm]
With external
braking
resistor
0.14 0.17
0.28 0.34
1.1 1.4
1.3 1.7
1.1 1.4
2.2 2.8
2.8 3.4
1.6 2.0
Configuration Manual, (PFK7S), Edition 12.2006, 6SN1197-0AD16-0BP1
RMS braking current
I [A]
br max
br rms
Without
external
braking
resistor
3.4
4.8
6.5
4.9
6.8
6.2
8.9
10.9
16.7
22.8
36.6
RMS braking current
I [A]
br max
br rms
Without
external
braking
resistor
1.4
1.5
5.7
4.3
4.0
5.9
8.4
5.4
Synchronous Motors 1FK7
With external
braking
resistor
3.1
4.3
5.8
4.4
6.1
5.6
8.0
9.7
15.0
20.4
32.7
With external
braking
resistor
1.3
1.3
5.2
4.0
3.7
5.5
7.6
4.8