Mitsubishi Q00JCPU User Manual page 648

10
DEVICE EXPLANATION
10
- 33 10.2 Internal User Devices
10.2.10 Timer (T)
(b) Accuracy
Measured value at END instruction is added to the current value when the
OUT T instruction is executed..
[Ladder example]
X0
[Current value update timing]
OUT T0
Program
ON
OFF
X0 external input
OFF
CPU module's X0
OFF
T0 coil
OFF
T0 contact
1
10ms measurement
Measured value at
END instruction
T0 current value
Input reading timing
(+1 scan)
The timer response accuracy from when reading input (X), until when outputing it
is + (2-scan time + timer time limit setting).
H K8
T0
OUT T0 OUT T0
END END END
processing processing processing
ON
ON
2 1 2 3 1 2
2 3
0+2=2 2+3=5
Figure 10.25 Accuracy of timer (For 10ms)
OUT T0 OUT T0 OUT T0
END END
processing processing
ON
1 2 3 1 2 1
2 3 2
5+2=7 7+3=10
Timer accuracy
- (1 scan time + timer time limit setting)
to (1 scan time)
END
processing
2 3
3