Mitsubishi Q00JCPU User Manual page 307

6
FUNCTIONS
(g) Instructions that do not operate normally at write during RUN
When any of the following instructions is written by write during RUN, the following
will not operate correctly.
Execute write during RUN after confirming it will not affect the safety.
The following operation of the trailing edge instruction can be prevented from
occurring by using the EGF instruction.
Refer to the following manual.
Q CPU (Q Mode)/QnACPU Programming Manual (Common Instructions)
1) Trailing edge instruction
If the execution conditions of the following trailing edge instructions are not
arranged upon completion of writing, the trailing edge instruction is executed.
• LDF
• ANDF
• ORF
• MEF
• PLF
2) Leading edge instruction
If the execution conditions for leading edge instructions (PLS instruction and
P instruction) are arranged upon completion of writing, leading edge
instruction is not executed.
The leading edge instruction is executed when the execution conditions are
OFF then ON.
• LDP, ANDP, ORP
• MEP
• PLS
• P
• SP. , GP. , ZP.
(Intellgent Function Module Dedicated Instructions)
3) SCJ instruction
If the execution conditions of the SCJ instruction are arranged upon
completion of writing, a jump to the designated pointer occurs even in a scan
cycle.
6.12 Writing in Program during CPU Module RUN
, JP.
6.12.1 Write during RUN in ladder mode
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