4.4 Parameters: 3-** Reference/Ramps
3-00 Reference Range
Option:
Function:
[0]
*
Min - Max
Select the range of the reference signal and
the feedback signal. Signal values can be
positive only, or positive and negative.
[1]
-Max -
+Max
For both positive and negative values (both
directions), relative to
parameter 4-10 Motor
Speed Direction
.
3-01 Reference/Feedback Unit
Option:
Function:
Select the unit for process PID control references
and feedbacks.
[0]
[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
[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
3-01 Reference/Feedback Unit
Option:
Function:
[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:
Function:
0
Reference
Feedback
Unit
*
[ 0 - 4999
Reference
Feedback
Unit]
Enter the minimum reference. The
minimum reference is the lowest value
obtainable by summing all references.
The minimum reference is active only
when
parameter 3-00 Reference Range
is
set to
[0] Min.–Max.
The minimum reference unit matches:
•
The option in
parameter 1-00 Configuration
Mode
.
•
The unit selected in
parameter 3-01 Reference/
Feedback Unit
.
3-03 Maximum Reference
Range:
Function:
Size
related
*
[-4999.0 - 4999
ReferenceFeed-
backUnit]
Enter the maximum reference. The
maximum reference is the highest
value obtainable by summing all
references.
The maximum reference unit
matches:
•
The option selected in
parameter 1-00 Configuration
Mode
.
•
The unit selected in
.
3-04 Reference Function
Option:
Function:
[0]
*
Sum
Sums both external and preset reference
sources.
[1]
External/
Preset
Use either the preset or the external
reference source. Shift between external and
preset via a command or a digital input.
Parameter Descriptions
VLT
®
Midi Drive FC 280
42
Danfoss A/S © 12/2015 All rights reserved.
MG07C102
4
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