3-13 Reference Site
Option:
Function:
Select which reference site to activate.
[0]
*
Linked to
Hand / Auto
Use local reference when in hand-on mode,
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
-
100 %]
The actual reference, X, is increased or decreased
with the percentage Y, set in
.
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
.
Relative
Z=X+X*Y/100
Resulting
actual
reference
Y
X
130BA059.12
Z
Illustration 3.19 Preset Relative Reference
X
100
%
0
-100
Z
Y
X+X*Y/100
P 3-14
130BA278.10
Illustration 3.20 Actual Reference
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
the 1
st
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
select
The frequency converter selects AI53 or
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
.
Parameter Description
Programming Guide
MG20OB02
Danfoss A/S © 05/2018 All rights reserved.
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Содержание VLT AQUA Drive FC 202
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