Count Enable Function - Mitsubishi MELSEC-Q Series User Manual

12
COUNTER FUNCTION
12.4

Count Enable Function

The following shows the relationship between the count enable command (Y1C to Y1E)
and "
12
- 6 12.4 Count Enable Function
Count value".
Md.3
ON
Module READY signal
(X0)
OFF
ON
Count enable command
OFF
(Y1C to Y1E)
Md.3 Count value
0
No.
1) Count operation does not start yet when the module READY signal (X0) turns ON.
2) Count operation starts when the count enable command (Y1C to Y1E) is turned ON.
Count operation stops when the count enable command (Y1C to Y1E) is turned OFF.
3)
This time, "
Md.3
Count operation restarts when the count enable command (Y1C to Y1E) is turned ON.
4)
" Count value" is updated from the retained value.
Md.3
POINT
When the setting value of "
change the count enable command (Y1C to Y1E) from ON to OFF, and again to
ON.
1)
2)
Count
operation
stop
Description
Count value" retains the last value before counting has stopped.
Coincidence detection point setting" is changed,
Cd.7
3) 4)
Pulses actually
input
Input pulses stored
to Count value
Count operation
stop
Count
operation
stop