Handling Of Reference - Danfoss VLT Decentral Drive FCD 302 Design Manual

Product Overview and Functi...

2.6 Handling of Reference

Local reference
2 2
The local reference is active when the frequency converter is operated with [Hand On] key active. Adjust the reference by
[▲]/[▼] and [◄]/[►] arrows, respectively.
Remote reference
The reference handling system for calculating the remote reference is shown in Illustration 2.22.
No function
Analog ref.
Pulse ref.
Local bus ref.
DigiPot
Preset relative ref.
No function
Analog ref.
Pulse ref.
Local bus ref.
DigiPot
No function
Analog ref.
Pulse ref.
Local bus ref.
DigiPot
No function
Analog ref.
Pulse ref.
Local bus ref.
DigiPot
Illustration 2.22 Remote Reference
32
®
VLT Decentral Drive FCD 302
P 3-14
(0)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
D1
P 5-1x(15)
Preset '1'
External '0'
200%
-200%
Danfoss A/S © 05/2018 All rights reserved.
P 5-1x(19)/P 5-1x(20)
Freeze ref./Freeze output
P 5-1x(28)/P 5-1x(29)
Input command:
Catch up/ slow down
Y
Catch up/
Relative
P 3-04
slow
X+X*Y
(0)
X
down
/100
P 3-12
(1)
Catchup Slowdown
value
±100%
Freeze ref.
&
increase/
decrease
ref.
P 5-1x(21)/P 5-1x(22)
Speed up/ speed down
P 3-00 P 1-00
Ref./feedback range Con guration mode
Speed
open/closed loop
Scale to
RPM or
-max ref./
Hz
+max ref.
100%
-100%
Torque
Scale to
Nm
max ref.
%
Process
%
Scale to
min ref.
process
unit
P 16-02
Ref. in %
P 16-01
Remote
ref.
MG04H302