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Chapter 14 Common Functions
[Pr.807] Mark detection mode setting
Set the data storage method of mark detection.
Mode
Setting
value
Operation for mark detection
Mark detection data
storage method
Continuous
detection mode
0 Always
The data is updated in the
mark detection data
storage area 1.
Specified number of
detection mode
1 to 32
Number of detections (If the
number of mark detection is
the number of detections or
more, the mark detection is not
executed.)
The data is stored to the
mark detection data
storage area "n".
n = (1+ Number of mark
detection)
Ring buffer mode -1 to -32
Always
(The mark detection data
storage area 1 to 32 is used as
a ring buffer for the number of
detections.)
(2) Mark detection control data
Setting item Setting details/setting value
Default
value
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.800]
Number of mark
detection clear
request
Set "1" to execute "0" clear of number of mark detections.
"0" is automatically set after completion by "0" clear of
number of mark detections.
1: 0 clear of number of mark detections
Fetch cycle: Operation cycle
0 54640+10k
[Cd.801]
Mark detection
invalid flag
Set this flag to invalidate mark detection temporarily.
1 : Mark detection: Invalid
Others : Mark detection: Valid
Fetch cycle: Operation cycle
0 54641+10k
[Cd.802]
Latch data range
change request
Request the processing of latch data range change.
Set the following value depending on the timing of
updating the change value.
1: Change in the next Operation cycle of the requested
2: Change in the next DI input of the requested
"0" is automatically set after the change is completed.
Fetch cycle: Operation cycle or DI input
0 54642+10k
k: Mark detection setting No.-1
[Cd.800] Number of mark detection clear request
Set "1" to execute "0" clear of "[Md.800] Number of mark detection". "0" is
automatically set after completion by "0" clear of "[Md.800] Number of mark
detection".
[Cd.801] Mark detection invalid flag
Set "1" to invalidate mark detection temporarily. The mark detection signal during
invalidity is ignored.