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Firmware description
3ADW000379R0501 DCS550 Manual e e
Deactivation
⑤ Dynamic braking is deactivated as soon as zero speed is reached and AuxStatWord (8.02) bit 11
ZeroSpeed is set to high.
In case of dynamic braking with EMF feedback [M1SpeedFbSel (50.03) = EMF] there is no valid
information about the motor speed and thus no zero speed information. To prevent an interlocking of the
drive after dynamic braking the speed is assumed zero after DynBrakeDly (50.11) is elapsed:
Dynamic braking sequence
For usage of US style DC-breakers see MainContCtrlMode (21.16).
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