Warning Against Unintended Start; Installation Of Mechanical Brake - Danfoss VLT 5000 Serie Guia De Inicio Rapido

Warning against unintended start

1. The motor can be brought to a stop by
means of digital commands, bus commands,
references or a local stop, while the frequency
converter is connected to mains.
If personal safety considerations make it necessary
to ensure that no unintended start occurs, these
stop functions are not sufficient.
2. While parameters are being changed, the
motor may start. Consequently, the stop key

Installation of mechanical brake

Do not connect a mechanical brake to the output
from the frequency converter before the relevant
parameters for brake control are parameterised.
Use on isolated mains
See section RFI Switch regarding use on isolated mains.
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VLT® 5000 Quick Setup
[STOP/RESET] must always be activated, following
which data can be modified.
3. A motor that has been stopped may start if faults
occur in the electronics of the frequency converter,
or if a temporary overload or a fault in the supply
mains or the motor connection ceases.
(Selection of output in parameter 319, 321,
323 or 326 and cut-in current and frequency
in parameter 223 and 225).
MG.50.A2.62 - VLT is a registered Danfoss trademark