Danfoss vlt aqua Programming Guide

2.5.3. 3-4* Ramp 1
Configure the ramp parameter, ramping times, for each of the two ramps (par. 3-4* and 3-5*).
3-41 Ramp 1 Ramp up Time
Range: Function:
3 s
*
[1 - 3600 s] Enter the ramp-up time, i.e. the acceleration time from 0 RPM
to the rated motor speed n
M,N
(par. 1-25). Choose a ramp-up
time such that the output current does not exceed the current
limit in par. 4-18 during ramping. See ramp-down time in par.
3-42.
par .3 − 41 =
t acc × n norm par .1 − 25
Δ ref rpm
s
VLT
®
AQUA Drive Programming Guide 2. Parameter Description
MG.20.O2.02 - VLT
®
is a registered Danfoss trademark 65
2

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