24 BISTABLE FUNCTION BLOCKS
24.1 Bistable Function Blocks (Set Priority)
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24
2. Function block with EN/ENO
The following table lists the execution conditions and operation results.
• Timing chart
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
ON ON ON ON ON
EN
OFF OFF
ON
OFF OFF OFF
ON ON ON ON ON
(s1)
OFF
OFF
ON
ON
(s2)
ENO
OFF
ON
OFF OFF
ON ON
(d)
When EN and (s1) are
on, (d) is on.
When EN, (s1), and (s2) are
on, (d) is off.