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CHAPTER6 FUNCTIONS
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6.12 Writing Programs While CPU Module is in RUN Status
6.12.3 Precautions for online change
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(b) Rise instruction
The rise instruction is not executed when the instruction is in the data written to the CPU module in the RUN
status, even if the execution condition (off on) is met.
The corresponding rise instructions are PLS and P.
(c) SCJ instruction
When the SCJ instruction is in the data written to the CPU module in the RUN status and the execution
condition is on at completion of the writing, a jump to the specified pointer is made without a wait of one scan.
Figure 6.54 Operation of the rise instruction
Figure 6.55 Operation of the SCJ instruction
Completion of
online change
END
1 scan
END END00 0
OFF OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON ON
X0 status
XO
MO
XO
MO
XO
MO
The rise instruction is not executed even
if the execution condition is off on.
[ PLS MO ]
XO
A
A
ON OFF
Completion of
online change
END
1 scan
END END00 0
OFF OFF
ON ON
X0 status
[ SCJ PO ]
XO
A
A
ON OFF
Jumps to the specified pointer.
Jumps to the specified pointer.
Jumps to the specified pointer
without waiting for one scan.
XO
OFF
ON
SCJ
instruction
XO
OFF
ON
SCJ
instruction
XO
OFF
ON
SCJ
instruction