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Danfoss VLT Programming Guide

Danfoss VLT
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2-16 AC brake Max. Current
Range: Function:
100.0 %* [Application dependant] Enter the maximum permissible current when using AC brake to avoid overheating of motor wind-
ings. The AC brake function is available in Flux mode only (FC 302 only).
2-17 Over-voltage Control
Option: Function:
Over-voltage control (OVC) reduces the risk of the frequency converter tripping due to an over
voltage on the DC link caused by generative power from the load.
[0] Disabled No OVC required.
[2] * Enabled Activates OVC.
NB!
The ramp time is automatically adjusted to avoid tripping of the frequency converter.
3 Parameter Description VLT
®
HVAC Drive Programming Guide
62
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
3

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Danfoss VLT Specifications

General IconGeneral
Frequency50/60 Hz
EnclosureIP20, IP21, IP55, IP66
SeriesVLT
Control TechniqueFlux Vector Control
Output Voltage0-Vinput
Control MethodFieldbus
Communication InterfacePROFIBUS, CANopen
Protection FeaturesOverload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling MethodLiquid Cooled
Storage Temperature-25°C to +70°C
Relative Humidity5-95% non-condensing
AltitudeUp to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature-10°C to +50°C (14°F to 122°F)

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