Danfoss VLT AQUA Drive FC 200 Instruction Manual page 74

4. How to program the adjustable frequency
drive
1-24 Motor Current
Range:
Size re-
lated
This parameter cannot be adjusted while the motor is running.
4
1-25 Motor Nominal Speed
Range:
Size re-
lated
This parameter cannot be adjusted while the motor is running.
3-41 Ramp 1 Ramp-up Time
Range:
*
3 s
3-42 Ramp 1 Ramp-down Time
Range:
*
3 s
74
Function:
[0.1 - 10,000 A] Enter the nominal motor current value from the motor name-
* plate data. This data is used for calculating motor torque, motor
thermal protection, etc.
Function:
[100 - 60,000 rpm] Enter the nominal motor speed value from the motor nameplate
* data. This data is used for calculating automatic motor com-
pensations.
Function:
[1 - 3600 s] Enter the ramp-up time, i.e., the acceleration time from 0 rpm
to the rated motor speed n
time such that the output current does not exceed the current
limit in par. 4-18 during ramping. Enter the ramp-up time, i.e.,
the acceleration time from 0 rpm to the rated motor speed
n
par
Function:
[1 - 3,600 s] Enter the ramp-down time, i.e., the deceleration time from the
rated motor speed n
MG.20.P1.22 - VLT
VLT AQUA High Power Instruction Manual
M,N
(par. 1-25)
M,N
t n
×
acc norm
.3 − 41 =
ref rpm
Δ
(par. 1-25) to 0 rpm. Choose a ramp-
M,N
®
is a registered Danfoss trademark.
(par. 1-25). Choose a ramp-up
par
.1 − 25
s