Mitsubishi 00JCPU User Manual page 241

(2) Instructions do not operate normally during online change
If the following instructions are executed during online change, they do not operate normally.
• Fall instruction
• Rise instruction
• SCJ instruction
• STMR instruction
(a) Fall instruction
The fall instruction within the program targeted for online change will be executed even though the execution
condition of the instruction (off
To prevent the fall instruction from being executed during online change, refer to POINT in this section.
X0 status
OFF OFF
ON ON
ON OFF
The corresponding fall instructions are LDF, ANDF, ORF, MEF, PLF, FCALLP, and EFCALLP.
on) is not met at the completion of online change.
Completion of
online change XO
[ PLF MO ]
A
END 0 END 0 A
1 scan
ON
even if the execution condition is off
XO
OFF
ON
MO
OFF
ON
XO
OFF
ON
MO
OFF
ON
XO
OFF
ON
MO
OFF
Figure 6.43 Operation of the fall instruction
END 0
The fall instruction is executed
off.
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