DC-braking before start
DC-braking is used in applications, in which regular deceleration to
stop or a quick stop is required. The larger DC-braking current, the
larger braking force. However, the withstanding capability of the mo-
tor has to be considered before use the DC-braking function.
'DC-braking before start' is used in applications where the load may encounter
forward / reverse rotation when the frequency converter is in stop mode.
Code Name Setting range Default Min. Attri.
E0.38 Start DC-braking time 0.0...20.0 s 0.0 0.1 Stop
E0.39
Start DC-braking current
â‘
0.0...150.0 % 0.0 0.1 Stop
â‘
: percentage of frequency converter rated current.
Fig. 12-26: DC-braking before start
When [E0.38] ≠0, DC-braking will be executed before the frequency converter
starting to accelerate to [E0.36] 'Start frequency'.
EFC x610 Series
Bosch Rexroth AG
Functions and Parameters
DOK-RCON03-EFC-X610***-IT05-EN-P
155/389
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