Siemens SINAMICS V20 Operating Instructions Manual page 101

The continuous power P
the dynamic braking module (for frame size AA to C) or parameter P1237 (for frame size D
and E).
NOTICE
Damage to the braking resistor
The average power of the dynamic braking module cannot exceed the power rating of the
braking resistor.
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
and the duty cycle for the braking resistor can be modified using
DB
Duty cycle t
ON
5%
10%
20%
50%
100%
(s) t (s)
OFF
12.0 228.0
12.6 114.0
14.2 57.0
22.8 22.8
Infinite
Commissioning via the built-in BOP
5.6 Function commissioning
t (s)
cycle
240.0
126.6
71.2
45.6
0 Infinite
P
DB
0.05
0.10
0.20
0.50
1.00
99