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7-80
Operating Modes
Fine Interpolation and Master
Axis Range
Electronic gear with fine adjust
P-0-0775
master axis
evaluation
and
adjustment
For both master axes it is possible to change, via parameter P-0-0054,
Additive master axis position, the master axis position by an additive
component (= offset) in the NC cycle clock:
• real master axis:
The resulting master axis position (P-0-0052 + P-0-0054) is not fine
interpolated, but limited in modulo form to the master axis range
(modulo value master axis = P-0-0750 * 2
axis revolutions per master axis cycle.
• virtual master axis:
The resulting master axis position (P-0-0052 + P-0-0054) is linearly
fine interpolated in the position loop clock and limited in modulo form
to the master axis range (modulo value master axis = P-0-0750 * 2
via P-0-0750, Master axis revolutions per master axis cycle.
Note:
The master axis range is set as an integral multiple of a
master axis revolution (= 2
P-0-0750, Master axis revolutions per master axis cycle.
Display of results of master axis processing:
• The master axis speed is generated by differentiating the master axis
position in the NC clock and displayed in parameter P-0-0764, Master
axis velocity.
• The modulo-limited (and fine interpolated, with virtual master axis)
master axis position is displayed in parameter P-0-0775, Resulting
master axis position.
Electronic Gear Function with Fine Adjust
The input value for the electronic gear is the resulting master axis position
(P-0-0775).
P-0-0083
P-0-0156
P-0-0157
electronic
gear
P-0-0108
Fig. 7-48:
Function block "electronic gear with fine adjust"
The function block "electronic gear with fine adjust" is divided into the
following subfunctions:
• electronic master axis gear with fine adjust
The master axis position or master axis velocity is first multiplied with
the
factor
from
revolutions).
By multiplying the resulting master axis position or master axis velocity
with the value 1 + P-0-0083 (gear ratio fine adjust) the fine adjust is
carried out.
MPH-02, MPB-02, MPD-02
20
) via P-0-0750, Master
20
increments) with parameter
cmd value
dynam.
processing
synchron-
specific to
ization
oper. mode
P-0-0157/P-0-0156
(output
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
20
)
internal
command
value
DF000098v01_en.fh7
revolutions/inputs
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