Danfoss VLT AQUA Drive FC 202 Programming Manual page 69

Parameter Description
3-13 Reference Site
Option: Function:
Select which reference site to activate.
[0] Linked to Use local reference when in hand-on mode,
*
Hand / Auto or remote reference when in auto-on mode.
[1] Remote Use remote reference in both hand-on mode
and auto-on mode.
[2] Local Use local reference in both hand-on mode
and auto-on mode.
NOTICE
When set to [2] Local, the frequency
converter starts with this setting again
after a power-down.
3-14 Preset Relative Reference
Range: Function:
0 % [-100 The actual reference, X, is increased or decreased
- with the percentage Y, set in parameter 3-14 Preset
*
100 %] Relative Reference.
This results in the actual reference Z. Actual
reference (X) is the sum of the inputs selected in:
•
Parameter 3-15 Reference 1 Source.
•
Parameter 3-16 Reference 2 Source.
•
Parameter 3-17 Reference 3 Source.
•
Parameter 8-02 Control Source.
Y
Relative
X
Z=X+X*Y/100
Illustration 3.19 Preset Relative Reference
Z
-100 0
Illustration 3.20 Actual Reference
MG20OB02
Programming Guide
Resulting
Z
actual
reference
X
Y
100 %
P 3-14
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3-15 Reference 1 Source
Option: Function:
NOTICE
This parameter cannot be adjusted
while the motor is running.
Select the reference input to be used for
st
the 1 reference signal:
•
Parameter 3-15 Reference 1 Source.
•
Parameter 3-16 Reference 2 Source.
•
Parameter 3-17 Reference 3 Source.
Define up to 3 different reference signals.
The sum of these reference signals defines
the actual reference.
[0] No function
[1] Analog Input
*
53
[2] Analog Input
54
[7] Pulse input 29
[8] Pulse input 33
[20] Digital
pot.meter
[21] Analog input
X30/11
[22] Analog input
X30/12
[23] Analog Input
X42/1
[24] Analog Input
X42/3
[25] Analog Input
X42/5
[29] Analog Input
X48/2
[30] Ext. Closed
Loop 1
[31] Ext. Closed
Loop 2
[32] Ext. Closed
Loop 3
[33] PCD Bus
Reference
[35] Digital input The frequency converter selects AI53 or
select AI54 as the reference source based on the
input signal defined in option [42] Ref
source bit 0 as 1 of the digital inputs. For
more information, see parameter group 5-1*
Digital Inputs, option [42] Ref source bit 0.
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