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7 ONLINE CHANGE
7.1 Online Ladder Block Change
■Falling instruction
When a falling instruction exists within the range to be changed, the falling instruction will not be executed even if the
execution condition (ON to OFF) is fulfilled at completion of online program change.
(1) The falling instruction will not be executed even if the execution condition is
OFF to OFF.
(2) If online program change and transition of ON to OFF occur simultaneously,
the falling instruction will not be executed.
Online change completion
END
1 scan
END END00 0
OFF
→
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON→
OFF
Status of X0
X0
M0
X0
M0
(1)
[ PLF M0 ]
X0
A
A
(2)