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How-to’s
Section 5-1
309
5-1-6-8 Registration and windowing function
The windowing function enables for registration to occur only within a specified
range of axis positions. This function is selected by giving the right value as an
argument for the
REGIST
command. The windowing function is controlled by
two axis parameters,
OPEN_WIN
and
CLOSE_WIN
. For more information on
REGIST
,
OPEN_WIN
and
CLOSE_WIN
, refer to sections 4-2-197, 4-2-175
and 4-2-51.
There are two types of windowing:
• Inclusive windowing allows the registration to occur only within the
specified window of axis positions. With this windowing function,
registration events are ignored if the axis measured position is less than
the
OPEN_WIN
axis parameter or greater than the
CLOSE_WIN
parameter.
• Exclusive windowing allows the registration to occur only outside the
specified window of axis positions. With this windowing function, the
registration events are ignored if the axis measured position is greater than
the
OPEN_WIN
axis parameter or less than the
CLOSE_WIN
parameter.
When the windowing function is used, the internal process is as follows:
1
REGIST
+ window is executed in the program.
2
MARK
= 0 and the latch is triggered.
3 The position is captured and transmitted to the Trajexia processor.
4 Is the captured position inside the inclusive window or outside the exclusive
window?
• If yes,
MARK
= -1 and
REG_POS
is updated.
• If not, return to point 2 (trigger the latch again transparently to the user).
0
10
20
30
40
OUTSIDE THE WINDOW
INSIDE THE WINDOW
OPEN WIN=20
CLOSE WIN=40
OUTSIDE
MARK=TRUE
REG_POS=27
Содержание SYSMAC CJ Series
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