Table of Contents
Advertisement
(b) Accuracy
The value obtained by the END instruction is added to the current value when the OUT T or OUT ST
instruction is executed. The current value is not updated while the timer coil is off even if the OUT T or OUT
ST instruction is executed.
Timer limit setting=10ms, Setting value of T0=8 (10ms 8=80ms), Scan time=25ms
Program
1
10ms counting
Count at
execution of the
END instruction
Current value
of T0
ON
External input
OFF
to X0
X0 of CPU
OFF
module
OFF
Coil of T0
OFF
Contact of T0
Scan time
25ms
Accuracy of the timer response that is from reading input (X) to output the data are up to "2-scan time + timer
limit setting".
END
END
END
processing
processing
processing
2
1
2
3
1
2
1
2
3
2
0+2=2
2+3=5
ON
ON
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
X0
END
END
END
processing
processing
processing
2
3
1
2
1
2
3
3
2
3
5+2=7
7+3=
ON
25ms
25ms
CHAPTER 5 DEVICES
K8
T0
303
5
Hide quick links:
Advertisement
Table of Contents
