28 EDGE DETECTION FUNCTION BLOCKS
28.2 Falling Edge Detector
1057
28
2.
Function block with EN/ENO
The following table lists the execution conditions and operation results.
• Timing chart
Operation error
There is no operation error.
Execution condition
Operation result
EN
ENO
(d)
TRUE (Executes operation)
TRUE
Operation output value
FALSE (Stops operation)
FALSE
Previous output value
(1): When EN is on and on the falling 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.
OFF
ON
ON
ON
ON
ON
EN
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
(s)
OFF
ON
ON
ON
ON
ON
ENO
OFF
OFF
ON
OFF
ON
OFF
ON
(d)
(1)
(2)
(3)
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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