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7.17 Program control instructions
7.17 Program control instructions
(1) Processing when the execution type is converted with the program control instruction is as
follows.
Once the fixed scan execution type program is changed to another execution
type, it cannot be returned to the fixed scan execution type.
Execution type before change
Executed Instruction
PSCAN PSTOP POFF PLOW
Scan execution type
No change-remains
scan type execution.
Becomes stand-by type.
Output turned OFF in
next scan.
Becomes stand-by type
from the next scan after
that.
Becomes low speed
execution type.
Initial execution type
Becomes scan
execution type.
Stand-by type
No change-remains
stand-by type
Ignored
Low speed execution type
Low speed execution
type execution is
stopped, becomes scan
execution type from the
next scan.
(Execution from step 0)
Low speed execution
type execution is
stopped, becomes
stand-by type from next
scan.
Low speed execution
type execution is
stopped, and output is
turned OFF in the next
scan. Becomes
stand-by type from the
next scan after that.
No change -remains low
speed execution type.
Fixed scan execution type
Becomes scan
execution type.
Becomes stand-by type.
Output turned OFF in
next scan.
Becomes stand-by type
from the next scan after
that.
Becomes low speed
execution type.