Danfoss FC 301

3-02 Minimum Reference
Range: Function:
0.000
Unit
*
[-100000.000 - par.
3-03]
The Minimum reference is the minimum value obtained by the
sum of all references.
Minimum reference is only active if Min -
Max
[0] is set in par. 3-00.
3-03 Maximum Reference
Range: Function:
1500.00
0
*
[Par. 3-02 -
100000.000]
Enter the maximum reference. The maximum reference is the
highest value obtainable by adding all references together.
The Maximum Reference unit matches:
• The choice of configuration in par. 1-00
Configuration
Mode
: for Speed closed-loop [1], RPM; for Torque [2],
Nm.
• The unit selected in par. 3-01
Reference/Feedback
Unit
.
3-41 Ramp 1 Ramp-up Time
Range: Function:
s
*
[0.01 - 3600.00 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. The value 0.00 corresponds
to 0.01 sec. in speed mode. See ramp-down time in par. 3-42.
Par .3− 41 =
t
acc
s ×n
M , N
(
par .1− 25
)
RPM
Δ ref RPM
3-42 Ramp 1 Ramp-down Time
Range: Function:
Size re-
lated
[0.01 - 3600.00 s] Enter the ramp-down time, i.e., the deceleration time from the
rated motor speed n
M,N
(par. 1-25) to 0 RPM. Choose a ramp-
down time so that no overvoltage arises in the inverter due to
regenerative operation of the motor, and so that the generated
current does not exceed the current limit set in par. 4-18. The
4. How to Program
VLT
®
AutomationDrive FC 300 Instruction
Manual
52 MG.33.A9.22 - VLT is a registered Danfoss trademark
4