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Mitsubishi Electric MR-MQ100 User Manual page 226

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13 AUXILIARY FUNCTION
(h) Mark detection mode (#7930+20m)
Select the mark detection mode.
See the below table.
Setting values
0
Continuous detection mode.
Specified number of detections mode.
1 to 32
The data continues to be latched until the specified number of
detections (#8898+80m) is reached.
(2) Mark detection monitor devices
These monitor devices show the status of the mark detection function.
(a) Mark detection data current monitor (#8896+80m，#8897+80m)
The current data selected can be monitored.
(b) Number of marks detected (#8898+80m)
Running count of each mark detected. The range depends upon the "Mark
detection mode (#7930+20m)"
• Continuous detection mode (#7930+20m= 0 to 65535)
After "65535" is reached, the count returns to "0". (Ring counter)
The latch data is always stored to #8912,#8913+80m.
• Specified number of detections mode (#7930+20m= 0 to 32)
Until "Number of marks detected (#8898+80m)" reaches the value of
#7930+20m, the latch data is stored to the "Latch data storing area".
Clear "Number of marks detected (#8898+80m)" before starting the mark
detection function.
POINT
(1) When "specified number of detections mode" is set as the
"Mark detection mode (#7930+20m)", clear "Number of
marks detected (#8898+80m)" set to "0". Otherwise mark
detection will not work correctly.
(c) Mark detection settings verification flag (#8899+80m)
When "Mark detection signals allocation devices (#7920+20m)", "
(#7922+20m)" and "
type
correct, the verification flag (#8899+80m) will become "1".
If even one of the above three settings is incorrect, the verification flag
becomes "0".
Contents
Mark detection data axis number
13 - 5
Latch data
(#7923+20m)" are all
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