14 - 49
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
LD77MS2
LD77MS4
LD77MS16
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
Mark detection
invalid flag
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.
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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Страница 70: ...2 10 Chapter 2 System Configuration MEMO ...
Страница 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
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Страница 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Страница 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
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Страница 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
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Страница 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
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