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•
•
•
•
Op-
tion
Name
Description
[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 and auto-on mode.
N O T I C E
When set to
[2] Local
, the drive starts with this setting again after a power-down.
[3]
Linked to H/A
MCO
Select this option to enable the FFACC factor in
parameter 32-66 Acceleration Feed-Forward
. Enabling
FFACC reduces jitter and makes the transmission from the motion controller to the control card of the
drive faster. This leads to faster response times for dynamic applications and position control. For more
information about FFACC, see VLT® Motion Control MCO 305 Operating Instructions.
Parameter 3-14 Preset Relative Reference
Table 198: Parameter 3-14 Preset Relative Reference
3-14 Preset Relative Reference
Default value: 0%
Parameter type: Range, -200 - 200%
Setup: All setups
Conversion index: -2
Data type: Int32
Change during operation: True
The actual reference, X, is increased or decreased with percentage Y, which gives the resulting actual reference, Z. The actual refer-
ence (X) is the sum of the inputs selected in:
Parameter 3-15 Reference Resource 1
.
Parameter 3-16 Reference Resource 2
.
Parameter 3-17 Reference Resource 3
.
Parameter 8-02 Control Word Source
.
Relative
Z=X+X*Y/100
Resulting
actual
reference
Y
X
e3
0b
a0
59
.1
3
Z
Illustration 48: Preset Relative Reference
X
100
%
0
-100
Z
Y
X+
X*Y
/10
0
P 3-14
e
3
0
b
a
2
7
8
.1
1
Illustration 49: Actual Reference
AU275636650261en-000101 / 130R0334
130 | Danfoss A/S © 2022.12
Parameter Descriptions
VLT AutomationDrive FC 301/302
Programming Guide