Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 1057

2.
Function block with EN/ENO
The following table lists the execution conditions and operation results.
Execution condition
EN
TRUE (Executes operation)
FALSE (Stops operation)
• Timing chart
ON
EN
ON
(s)
OFF
ENO
OFF
ON
(d)
OFF
(1) (2)
(1): When EN is on and on the rising edge of (s), (d) turns on.
(2): At the next scan, (d) turns off.
(3): When EN is off, (d) holds the output of the previous scan.
Operation error
There is no operation error.
Operation result
ENO
TRUE
FALSE
ON ON
ON
ON
OFF
(3)
(d)
Operation output value
Previous output value
ON
ON ON
ON ON
OFF
28 EDGE DETECTION FUNCTION BLOCKS
28.1 Rising Edge Detector
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