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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
(s1)
OFF
(s2)
OFF
OFF
ENO
ON
(d)
OFF
When EN and (s1) are on
and (s2) is off, (d) turns on.
Operation error
There is no operation error.
Operation result
ENO
TRUE
FALSE
ON
ON
ON
OFF
When EN and (s2) are on,
(d) turns off.
(d)
Operation output value
Previous output value
ON
ON
ON
ON
OFF
ON
OFF
24 BISTABLE FUNCTION BLOCKS
24.2 Bistable Function Blocks (Reset Priority)
24
843
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