Parameters: Reference/Ramps - Danfoss FC 300 Design Manual

FC 300 Design Guide
Parameters: Refer-
"
ence/Ramps
3-** Reference Limits
"
Parameters for reference handling, defining
limitations, and configuring the reaction of the
adjustable frequency drive to changes.
3-0* Reference Limits
"
Parameters for setting the reference unit,
limits and ranges.
3-00 Reference Range
Option:
Min. - Max
*
-Max - +Max
Function:
Select the range of the reference signal and the
feedback signal. Signal values can be positive only,
or positive and negative. The minimum limit may
have a negative value, unless Speed closed loop [1]
control is selected in par. 1-00 Configuration Mode.
Select Min. - Max [0] for positive values only.
Select-Max - +Max [1] for both positive
and negative values.
3-01 Reference/Feedback Unit
Option:
None
*
%
RPM
Nm
bar
Pa
PPM
CYCLE/min
PULSE/s
UNITS/s
UNITS/min
UNITS/h
°C
F
m 3 /s
m 3 /min
m 3 /h
t/min
t/h
m
m/s
* default setting ( )
How to Program
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display text [ ] value for use in communication via serial communication port
MG.33.B6.22 - VLT is a registered Danfoss trademark
m/min
in wg
gal/s
gal/min
gal/h
lb/s
lb/min
lb/h
lb ft
ft/s
ft/min
l/s
l/min
l/h
kg/s
kg/min
kg/h
ft 3 /s
3
ft /min
ft 3 /h
Function:
Select the unit to be used in process PID
control references and feedback.
3-02 Minimum Reference
Range:
-100000.000 - par. 3-03
Function:
Enter the Minimum Reference. The Minimum
Reference is the lowest value obtainable by
summing all references.
Minimum Reference is active only when par. 3-00
Reference Range is set to Min.- Max. [0].
The Minimum 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 Refer-
ence/Feedback Unit.
3-03 Maximum Reference
Range:
Par. 3-02 - 100000.000
Function:
Enter the maximum reference. The maximum
reference is the highest value obtainable by summing
all references. The maximum reference unit matches
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*
0.000 Unit
*
1500.000 Unit
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