Siemens SINAMICS V20 Operating Instructions Manual page 96

Commissioning
5.6 Function commissioning
The continuous power P
the dynamic braking module (for frame size A / B / C) or parameter P1237 (for frame size D).
NOTICE
Damage to the braking resistor
The average power of the dynamic braking module (braking chopper) cannot exceed the
power rating of the braking resistor.
96
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
t (s)
cycle
240.0
126.6
71.2
45.6
0 Infinite
SINAMICS V20 Inverter
Operating Instructions, 09/2014, A5E34559884
P
DB
0.05
0.10
0.20
0.50
1.00