Count Processing In Refresh System - Mitsubishi Electric 700 Series Programming Manual

Counters C

3.10.1 Count processing in refresh system

The counter counts on the leading edge of the input condition of the counter imported
at an input refresh.
Ladder example
Counting method
Input (X) refresh
END
ON
OFF
X5
OFF
X5
(Image)
OFF
C3 coil
C3 present
0
value
OFF
C3 contact
REMARKS
Refer to page 85 for the maximum counting speed of the counter.
84
OUT OUT
END C3 END
C3
ON
ON
1
Fig 3.19 Counter Counting Method
When OFF to ON of X5 is counted
twice, C3 contact turns on.
Does not count since X5 remains on.
OUT
C3 END
OUT OUT
END END
C3 C3
2
ON