Danfoss VLT Refrigeration Drive FC 103 Programming Manual page 58

Parameter Description
P 3-14
Preset relative ref.
3 3
Bus
reference
Illustration 3.17 Example of Open-loop Operation and Closed-loop Operation
3-11 Jog Speed [Hz]
Range:
Size [ 0 - par.
related 4-14 Hz]
*
56
Input command:
Preset ref. bit0, bit1, bit2
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]

No function
Analog inputs
±200%
Frequency inputs
Ext. closed loop outputs
Input command:
DigiPot
Ref. Preset
No function
Analog inputs
Frequency inputs

Ext. closed loop outputs
DigiPot
No function
Analog inputs
Frequency inputs
Ext. closed loop outputs
DigiPot
Function:
The jog speed is a fixed output speed at
which the frequency converter is running
when the jog function is activated.
See also parameter 3-19 Jog Speed [RPM]
and parameter 3-80 Jog Ramp Time.
Danfoss A/S © 05/2016 All rights reserved.
®
VLT Refrigeration Drive FC 103
P 3-04
Ref. function
Y
Relative

X+X*Y
X
/100
±200%
on
o
P 1-00
External
Con guration mode
reference
in %
Closed loop
Setpoint
±200%
From Feedback Handling
0%
Open loop
3-13 Reference Site
Option:
[0] Linked to
*
Hand / Auto
[1] Remote
[2] Local
[3] Linked to
H/A MCO
P 1-00
Con guration mode
Input command:
Open loop
Freeze ref.
Scale to
RPM,Hz
or %
max ref.
%
±200%
%
min ref.
Scale to
Closed
loop
±100%
unit
Closed loop
Freeze ref.
&
increase/
decrease
ref.
Input command:
Speed up/ speed down
Ref. in %
Increase
Digipot ref.
0/1
DigiPot
Decrease ±200%
0/1
Clear
0/1
Function:
Select which reference site to activate.
Use local reference when in hand-on mode,
or remote reference when in auto-on mode.
Use remote reference in both hand-on mode
and auto-on mode.
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.
For information, see VLT
MCO 305 Operating Instructions.
Remote
ref.
®
Motion Control
MG16H202