Danfoss VLT HVAC Basic Drive FC 101 Información técnica Pagina 31

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3.4 Main Menu - Reference/Ramps - Group 3
3.4.1 3-0* Reference Limits
Parameters for setting the reference unit, limits and ranges.
Please also see parameter group 20-0* for information on
settings in closed loop.
3-02 Minimum Reference
Range: Function:
0.0 ReferenceFeed-
backUnit*
[-4999.0 - 4999.0
ReferenceFeed-
backUnit]
The Minimum
Reference is the
lowest value
obtainable by
summing all
references.
3-03 Maximum Reference
Range: Function:
50.0 Reference-
FeedbackUnit*
[-4999.0 - 4999.0
ReferenceFeed-
backUnit]
The Maximum
Reference is the highest
value obtainable by
summing all references.
The Maximum
Reference unit matches
the choice of configu-
ration in
1-00 Configuration Mode.
3.4.2 3-1* References
3-10 Preset Reference
Range: Function:
0.0 %* [-100.0 -
100.0 %]
Enter up to eight different preset references
(0-7) in this parameter, using array
programming. Select Preset Reference bit 0 /
1 / 2 [16] , [17] or [18] for the corresponding
digital inputs in parameter group 5.1* Digital
Inputs.
P3-03
P3-02
0 50 100%
P3-10
130BB036.10
3-11 Jog Speed [Hz]
Range: Function:
5.0 Hz* [0.0 - 400.0
Hz]
The jog speed is a fixed output speed at
which the frequency converter is running
when the jog function is activated.
See also 3-80 Jog Ramp Time.
3-14 Preset Relative Reference
Range: Function:
0.0
%*
[-100.0 -
100.0 %]
Define fixed value in % to be added to variable
value defined in par. 3-18, Relative Scaling
Reference Source.
The sum of fixed and variable values (labelled Y in
illustration below) is multiplied with actual
reference (labelled X in illustration). This product is
added to actual reference
X
+
X
×
Y
100
Relative
Z=X+X*Y/100
Resulting
actual
reference
Y
X
130BA059.12
Z
3-15 Reference 1 Source
Option: Function:
Select the input to be used for the first
reference signal. 3-15 Reference 1 Source,
3-16 Reference 2 Source and 3-17 Reference
3 Source define up to three different
reference signals. The sum of these
reference signals defines the actual
reference. See also 1-93 Thermistor Source.
[0] No function
[1] * Analog in 53
Parameters VLT HVAC Basic Drive Programming Guide
30 MG.18.B1.02 - VLT
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is a registered Danfoss trademark
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