Mitsubishi 00JCPU User Manual page 404

(b) Accuracy
The value obtained by the END instruction is added to the current value when the OUT T
instruction is executed.
The current value is not updated while the timer coil is off even if the OUT T
executed.
Timer limit setting=10ms, Setting value of T0=8 (10ms 8=80ms), Scan time=25ms
Program
10ms counting
Count at
execution of the
END instruction
Current value
of T0
External input
to X0
X0 of CPU
module
Coil of T0
Contact of T0
Scan time
Accuracy of the timer response that is from reading input (X) to output the data is up to "2-scan time + timer
limit setting".
9 - 29
END END
processing processing
2 3
1 2 1 1
2 3
0+2=2
ON
OFF
ON
OFF
ON
OFF
OFF
25ms 25ms 25ms
Accuracy from when the coil of the timer turns on until
when the contact of the timer turns on
- (1 scan time + timer limit setting) to (1 scan time)
Timing when the coil of the timer turns on
Input reading timing
Figure 9.25 Timer accuracy (in the case of 10ms)
END END END
processing processing processing
2 1 2 3 1 2 1
2 3 2
2+3=5 5+2=7 7+3=
ON
25ms 25ms
or OUT ST
or OUT ST instruction is
K8
X0
T0
END
processing
2 3
3
25ms