9 - 3
9 OPERATION FOR MOTION SFC AND PARAMETER
(2) Event task operation
[Operations]
An event task executes the Motion SFC program at occurrence of an event.
There are the following events.
(a) Fixed cycle
The Motion SFC program is executed periodically in any of 0.22ms
QDS
,
0.44ms, 0.88ms, 1.77ms, 3.55ms, 7.11ms and 14.2ms cycles.
(b) External interrupt (16 points of I0 to I15)
Among 16 points of the QI60 (16-point interrupt module) loaded in the
motion slot, the Motion SFC program is run when the input set for an
event task turns on.
(c) PLC interrupt
The Motion SFC program is executed when the D(P).GINT instruction is
executed in the sequence program.
<Example 1> Operation for fixed cycle task (3.55 [ms])
• Number of consecutive transitions is set to "2".
3.55ms
Event task
3)
2)
1)
F20
F1
F2
F3
F4
END
Program name
SFCS
Sequence program
1)
END operation: End
END operation: Continue
2) 3)
1) 2) 3) 1) 2)
Do not execute a
program before the
event task starting .
(Note) : When making it
always execute,
set as automatic
starting.
Execute the number of
consecutive transition for
every event occurrence.
When END operation is set as
continuation, continuation
operation is executed.
When stopping, it is make to
execute CLR by other programs.