Danfoss VLT AutomationDrive FC 301 Programming Manual page 130

VLT AutomationDrive FC 301/302
Programming Guide
Op- Name Description
tion
[0]* Linked to Use local reference when in hand-on mode, or remote reference when in auto-on mode.
hand/auto
[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.
[3] Linked to H/A Select this option to enable the FFACC factor in parameter 32-66 Acceleration Feed-Forward. Enabling
MCO
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%
Conversion index: -2
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.
Y
Resulting
Relative Z
actual
X Z=X+X*Y/100
reference
Illustration 48: Preset Relative Reference
-100 0
Illustration 49: Actual Reference
130 | Danfoss A/S © 2022.12
When set to [2] Local, the drive starts with this setting again after a power-down.
Parameter type: Range, -200 - 200%
Data type: Int32
Z
X
Y
100 %
P 3-14
N O T I C E
Setup: All setups
Change during operation: True
AU275636650261en-000101 / 130R0334
Parameter Descriptions