Danfoss vlt aqua Programming Guide

to regenerative operation of the motor, and such that the gen-
erated current does not exceed the current limit set in par. 4-18.
See ramp-up time in par. 3-41.
par .3 − 42 =
t dec × n norm par .1 − 25
Δ ref rpm
s
4-11 Motor Speed Low Limit [RPM]
Range: Function:
Size re-
lated
*
[0 - 60,000 RPM] Enter the minimum limit for motor speed. The Motor Speed Low
Limit can be set to correspond to the manufacturer’s recom-
mended minimum motor speed. The Motor Speed Low Limit
must not exceed the setting in par. 4-13
Motor Speed High Limit
[RPM]
.
4-12 Motor Speed Low Limit [Hz]
Range: Function:
Size re-
lated
*
[0 - 1000 Hz] Enter the minimum limit for motor speed. The Motor Speed Low
Limit can be set to correspond to the minimum output frequency
of the motor shaft. The Motor Speed Low Limit must not exceed
the setting in par. 4-14
Motor Speed High Limit [Hz] .
4-13 Motor Speed High Limit [RPM]
Range: Function:
Size re-
lated
*
[0 - 60,000 RPM] Enter the maximum limit for motor speed. The Motor Speed
High Limit can be set to correspond to the manufacturer’s max-
imum rated motor speed. The Motor Speed High Limit must
exceed the setting in par. 4-11
Motor Speed Low Limit [RPM] .
Only par. 4-11 or 4-12 will be displayed depending on other pa-
rameters set in the Main Menu and depending on default set-
tings dependant on global geographical location.
NB!
The output frequency value of the frequency converter must not exceed a value
higher than 1/10 of the switching frequency.
4-14 Motor Speed High Limit [Hz]
Range: Function:
Size re-
lated
*
[0 - 1000 Hz] Enter the maximum limit for motor speed. The Motor Speed
High Limit can be set to correspond to the manufacturer’s rec-
ommended maximum frequency of the motor shaft. The Motor
Speed High Limit must exceed the setting in par. 4-12
Motor
Speed Low Limit [Hz]
. Only par. 4-11 or 4-12 will be displayed
depending on other parameters set in the Main Menu and de-
pending on default settings dependant on global geographical
location.
VLT
®
AQUA Drive Programming Guide 1. How to Programme
MG.20.O2.02 - VLT
®
is a registered Danfoss trademark 15
1

Danfoss vlt aqua Specifications

General

Supply Voltage	200-240V, 380-500V, 525-600V
Enclosure	IP20
Features	Energy optimization
Approvals	CE, UL, cUL
Input Voltage Range	200-240V, 380-500V, 525-600V
Output Voltage Range	0 to supply voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Ground fault
Communication Interfaces	PROFIBUS
Cooling Method	Air-cooled