Danfoss VLT AutomationDrive FC 301 Programming Manual page 73

Parameter Descriptions
3-21 Touch Target
Range:
0 CustomRea- [-2147483648 -
doutUnit2 2147483647
*
CustomRea-
doutUnit2]
3-22 Master Scale Numerator
Range: Function:
NOTICE
1 [-2147483648
*
- 2147483647]
This parameter is only available with
software version 48.XX.
Parameter 3-22 Master Scale Numerator and
parameter 3-23 Master Scale Denominator
define the gear ratio between the master
and the slave in synchronization mode.
Master revolutions =
× Slave revolutions
3-23 Master Scale Denominator
Range: Function:
NOTICE
1 [-2147483648 -
*
2147483647]
This parameter is only available
with software version 48.XX.
See parameter 3-22 Master Scale
Numerator.
3-24 Master Lowpass Filter Time
Range: Function:
NOTICE
20 ms [1 - 2000 ms]
*
This parameter is only available
with software version 48.XX.
Enter the time constant for master speed
calculation in synchronizing mode.
MG33MO02
Programming Guide
Function:
NOTICE
This parameter is only
available with software
version 48.XX.
Enter the target position in
touch probe positioning
mode. This parameter defines
the distance from the
detection event of the touch
probe sensor to the final
target position in position
units.
Par . 3 − 22
Par . 3 − 23
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3-25 Master Bus Resolution
Range: Function:
NOTICE
65536 [128 - 65536]
*
This parameter is only available
with software version 48.XX.
Enter the resolution of the fieldbus
master signal (fieldbus reference 1) in
synchronization mode.
3-26 Master Offset
Range:
0 CustomRea- [-2147483648
doutUnit2 - 2147483647
*
CustomRea-
doutUnit2]
3-27 Virtual Master Max Ref
Range: Function:
NOTICE
50.0 [0.0 -
Hz 590.0
*
This parameter is available only with
Hz]
software version 48.XX.
Enter the maximum reference for the virtual
master. The actual reference is set relative to
this value using the source selected in
parameter 3-15 Reference Resource 1 or fieldbus
reference 1. The rotation direction is controlled
by the forward/reverse signal on a digital input
or fieldbus. Use parameter group 3-6* Ramp 3 to
configure acceleration and deceleration.
3-28 Master Offset Speed Ref
Range: Function:
NOTICE
1500 [0 -
RPM 65000
*
This parameter is only available with
RPM]
software version 48.XX.
Enter the speed reference for changing the
master offset in synchronization mode. To
Function:
NOTICE
This parameter is only
available with software
version 48.XX.
Enter the position offset
between the master and the
slave in synchronization mode.
This value is added to the
follower position at each
activation of a digital input with
option [113] Enable Reference or
bit 5 of the fieldbus control
word. Parameter 3-02 Minimum
Reference defines the maximum
deviation from the actual master
speed during the execution of
the offset.
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