Parameter Descriptions
3.5 Parameters: 3-** Reference/Ramps
Parameters for reference handling, definition of limitations,
and configuration of the reaction of the frequency converter
to changes.
3
3
3.5.1 3-0* Reference Limits
3-00 Reference Range
Option:
[0]
Min -
Max
[1]
-Max -
*
+Max
3-01 Reference/Feedback Unit
Option:
[0]
None
*
[1]
%
[2]
RPM
[3]
Hz
[4]
Nm
[5]
PPM
[10]
1/min
[12]
Pulse/s
[20]
l/s
[21]
l/min
[22]
l/h
[23]
m³/s
[24]
m³/min
[25]
m³/h
[30]
kg/s
[31]
kg/min
[32]
kg/h
[33]
t/min
[34]
t/h
[40]
m/s
[41]
m/min
[45]
m
[60]
°C
54
FC 300 Programming Guide
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 or Process [3] is selected in 1-00 Configu-
ration Mode.
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 or Process [3] is selected in 1-00 Configu-
ration Mode.
For both positive and negative values (both
directions, relative to 4-10 Motor Speed Direction).
Function:
Select the unit to be used in Process PID Control
references and feedbacks. 1-00 Configuration Mode
must be either [3] Process or [8] Extended PID
Control.
MG.33.MB.02 - VLT
3-01 Reference/Feedback Unit
Option:
Function:
[70]
mbar
[71]
bar
[72]
Pa
[73]
kPa
[74]
m WG
[80]
kW
[120] GPM
[121] gal/s
[122] gal/min
[123] gal/h
[124] CFM
[125] ft³/s
[126] ft³/min
[127] ft³/h
[130] lb/s
[131] lb/min
[132] lb/h
[140] ft/s
[141] ft/min
[145] ft
[150] lb ft
[160] °F
[170] psi
[171] lb/in²
[172] in WG
[173] ft WG
[180] HP
3-02 Minimum Reference
Range:
Application
[Application
dependent
dependant]
*
®
is a registered Danfoss trademark
Function:
Enter the Minimum Reference. The
Minimum Reference is the lowest
value obtainable by summing all
references.
Minimum Reference is active only
when 3-00 Reference Range is set to
Min.- Max. [0].
The Minimum Reference unit
matches:
•
The choice of configuration
in 1-00 Configuration Mode
Configuration Mode: for
Speed closed loop [1], RPM;
for Torque [2], Nm.
•
The unit selected in
3-01 Reference/Feedback
Unit.
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