Danfoss FC 100 - Page 79

This parameter cannot be adjusted while the motor is running.
1-23 Motor Frequency
Range: Function:
Size re-
lated
*
[20 - 1000 Hz] Select the motor frequency value from the motor nameplate
data. For 87 Hz operation with 230/400 V motors, set the name-
plate data for 230 V/50 Hz. Adapt par. 4-13
Motor Speed High
Limit [RPM)
and par. 3-03 Maximum Reference to the 87 Hz
application.
This parameter cannot be adjusted while the motor is running.
1-24 Motor Current
Range: Function:
Size re-
lated
*
[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.
This parameter cannot be adjusted while the motor is running.
1-25 Motor Nominal Speed
Range: Function:
Size re-
lated
*
[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.
This parameter cannot be adjusted while the motor is running.
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. Enter the ramp-up time, i.e.,
the acceleration time from 0 rpm to the rated motor speed
n
M,N
(par. 1-25)
par .3 − 41 =
t acc × n norm par .1 − 25
Δ ref rpm
s
VLT
®
HVAC DRIVE High Power
Instruction Manual
4. How to Program
MG.11.F1.22 - VLT
®
is a registered Danfoss trademark. 79
4