Danfoss VLT AutomationDrive FC 360 Programming Manual page 94

Programming Guide | VLT® AutomationDrive FC 360
3-18 Relative Scaling Reference Resource
Default value:
[0] No function
Setup:
All setups
Data type:
Uint8
Select a variable value to be added to the fixed value (defined in parameter 3-14 Preset Relative Reference). The sum of the fixed and
variable values (labeled Y in Figure
added to the actual reference (X+X*Y/100) to give the resulting actual reference.
This parameter cannot be adjusted while the motor is running.
Y
Resulting
Relative Z
actual
X
Z = X + X *Y/100
reference
Figure 23: Resulting Actual Reference
Option
[0]
[1]
[2]
[7]
[8]
[11]
3-4* Ramp 1
4.4.3
Configure the ramp parameter, ramping times, for each of the 4 ramps (parameter group 3-4* Ramp 1, parameter group 3-5* Ramp 2,
parameter group 3-6* Ramp 3, and parameter group 3-7* Ramp 4).
Hz
P 4-14
High-limit
Reference
P 1-23
Motor
frequency
P 4-12
Low limit
P 3-*1
Ramp (X )Up
Time (Acc)
t
acc
Figure 24: Example of Ramp 1
92
| Danfoss A/S © 2024.01
23) is multiplied by the actual reference (labeled X in the following illustration). This product is then
NOTICE
Time
P 3-*2
Ramp (X )
Down
Time (Dec)
t
dec
Parameter type:
Conversion index:
Change during operation:
Name
No function
Analog Input 53
Analog Input 54
Frequency input 29
Frequency input 33
Local bus reference
Option
–
True
AU275649936274en-001401 / 130R0507