Danfoss VLT Refrigeration Drive FC 103 Design Manual page 24

Product Overview
P 3-14
Preset relative ref.
2 2
No function
Analog inputs
Frequency inputs
Ext. closed loop outputs
DigiPot
No function
Analog inputs
Frequency inputs
Ext. closed loop outputs
DigiPot
No function
Analog inputs
Frequency inputs
Ext. closed loop outputs
DigiPot
Bus
reference
Illustration 2.12 Remote Reference Handling
22
®
VLT Refrigeration Drive FC 103
Input command:
Preset ref. bit0, bit1, bit2
[0]
[1]
[2]
[3]
[4]
[5]
[6]
P 3-04
[7]
Ref. function

on
±200%
o
Input command:
Ref. Preset

External
reference
in %
Setpoint
From Feedback Handling
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Input command:
Freeze ref.
Y
Relative

X+X*Y
X
±200%
/100
±200%
±100%
Freeze ref.
&
increase/
decrease
ref.
Input command:
Speed up/ speed down
P 1-00
Con guration mode
Increase
0/1
Decrease
Closed loop
0/1
±200%
Clear
0%
0/1
Open loop
P 1-00
Con guration mode
Open loop
Scale to
RPM,Hz
or %
max ref.
Remote
%
ref.
%
min ref.
Scale to
Closed
loop
unit
Closed loop
Ref. in %
Digipot ref.
DigiPot
±200%
MG16G202