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
(1)
(1): When EN and (s1) are on and (s2) is off, (d) turns on.
(2): When EN and (s2) are on, (d) turns off.
Operation error
There is no operation error.
Operation result
ENO
TRUE
FALSE
ON
ON
ON
OFF
(2)
(d)
Operation output value
Previous output value
ON
ON
ON
ON
OFF
ON
OFF
27 BISTABLE FUNCTION BLOCKS
27.2 Bistable Function Blocks (Reset Priority)
27
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