Chapter 6 Pulse Catch Function - Mitsubishi Electric MELSEC-L02SCPU User Manual

CHAPTER 6
This function can catch pulse signals that the general-purpose input function cannot catch because the on time is
shorter than the scan time.
(1) Parameter setting
Set the input signals and input response time values.
Project window  [Parameter]  [PLC Parameter]  "Built-in I/O Function Setting" tab
(2) Basic operation of the pulse catch function
The function turns on the input device for one scan after detecting a pulse signal, and turns off the input device
during the END processing.
(a) Operation when using an input signal (X0) as the pulse catch function
The input device turns on for one scan after detecting a rising edge of the external input signal (X0).
External input signal
X0
Input device
X0
PULSE CATCH FUNCTION
Select "Pulse Catch".
0 step
Program
1) Input signal ON
OFF
OFF

CHAPTER 6 PULSE CATCH FUNCTION

Select a response time.
END 0 step
0 step END
2) ON for 1 scan
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