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Installation manual.
CNC 8060
CNC 8065
2.
MACHINE PA
RAMETERS.
Mac
h
ine parameters for
the
axes. Work sets.
·204·
(R
EF
: 1709)
This parameter helps improve the position loop minimizing the amount of following error "
".
This parameter sets the portion of the velocity command is proportional to the programmed
feedrate and part of it is proportional to the following error "
".
The best adjustment is obtained when minimizing the amount of following error as much as
possible without reversing its sign, maintaining the moving direction of the axis.
MANFFGAIN
Percentage of Feed-Forward in JOG.
Parameter valid for linear and rotary axes and spindles.
Parameter valid for analog drives and simulated drives.
Possible values: from 0 to 120 %.
Default value: 0.
Associated variable: (V.)[ch].MPA.MANFFGAIN[set].xn
The CNC only takes this parameter into account when working with feed forward; parameter
FFWTYPE if it is an analog or simulated drive and OPMODEP if it is a Sercos drive.
Sometimes, the Feed Forward selected for the automatic mode may be too high for the Jog
mode, when there is no need to control the following error that closely. In those cases,
parameter MANFFGAIN helps adapt the Feed-Forward applied to the jog mode.
An axis that is going to work as an independent axis should have the same feed forward value
in automatic and in jog modes; in other words, parameters FFGAIN and MANFFGAIN should
be the same.
The scale for the following error of 10 µm per square.
• Proper adjustment with Feed forward.
• Wrong adjustment with Feed forward.
FFGAIN
PROGAIN
Programmed
Feedrate
Nominal
Position
+
+
+
Analog
output
Actual
position
-
Содержание CNC 8060
Страница 1: ...Ref 1709 8060 8065 CNC Installation manual...
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Страница 41: ...PART 1 INSTALLATION MANUAL...
Страница 42: ...BLANK PAGE 42...
Страница 58: ...Installation manual CNC 8060 CNC 8065 1 SOFTWARE INSTALLATION Software configuration 58 REF 1709...
Страница 340: ...Installation manual CNC 8060 CNC 8065 3 INTRODUCTION TO THE PLC Operation of a counter 340 REF 1709...
Страница 448: ...Installation manual CNC 8060 CNC 8065 6 LOGIC CNC INPUTS AND OUTPUTS Keystroke modifiable signals 448 REF 1709...
Страница 532: ...Installation manual CNC 8060 CNC 8065 9 CNC VARIABLES 532 REF 1709...
Страница 533: ...PART 2 CONCEPTS...
Страница 534: ...BLANK PAGE 534...
Страница 548: ...Installation manual CNC 8060 CNC 8065 10 GENERAL SETUP Configuration examples 548 REF 1709...
Страница 574: ...Installation manual CNC 8060 CNC 8065 11 CONFIGURING AN AXIS Home search 574 REF 1709 X Z H OM OW ZMH ZMW XMH...
Страница 598: ...Installation manual CNC 8060 CNC 8065 12 VOLUMETRIC COMPENSATION Error messages cause and solution 598 REF 1709...
Страница 644: ...Installation manual CNC 8060 CNC 8065 14 SUBROUTINES Assistance for subroutines 644 REF 1709...
Страница 668: ...Installation manual CNC 8060 CNC 8065 15 HARDWARE Configure the PT100 inputs 668 REF 1709...
Страница 697: ...Installation manual CNC 8060 CNC 8065 697 User notes REF 1709...