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MELSEC-Q/QnA
5 SEQUENCE INSTRUCTIONS
(4) The following responses occur when the annunciator is turned OFF by the OUT instruction.
[With Q3A, Q4A, or Q4ARCPU]
• The coil goes OFF, but there are no changes in the LED display device on the front of the
CPU module, the status of the "USER" LED, and the contents of the values stored in SD63
to SD79.
• Use the RST F
instruction to turn OFF the LED display device on the front of the CPU
module and "USER" LED, and to delete the annunciator which was turned OFF by the OUT
F
instruction from SD63 to SD79.
[With CPUs other than above]
• The coil goes OFF, but there are no changes in the status of the "USER" / "ERR." LED and
the contents of the values stored in SD63 to SD79.
• Use the RST F
instruction to turn OFF the "USER" / "ERR." LED and to delete the
annunciator which was turned OFF by the OUT F
instruction from SD63 to SD79.
[Operation Errors]
(1) There are no operation errors associated with the OUT F instruction.
REMARKS
(1) Refer to User's Manual (Functions Explanation, Programming Fundamentals) of the used
CPU module or QnACPU Programming Manual (Fundamentals) for details of annunciators
(2) The number of basic steps for the OUT module F
instruction is 4.
(3) The table below shows which CPU module features either the LED display device on front of
the CPU module or "USER" LED
Type of LED CPU module Type Name
LED display device Q3A, Q4A, Q4AR
"USER" LED
Q2A(S1), Q2AS(S1), Q2ASH(S1),
High Performance model QCPU
"ERR." LED Basic model QCPU
[Program Example]
(1) The following program turns F7 ON when X0 goes ON, and stores the value 7 from SD64 to
SD79.
[Ladder Mode] [List Mode]
Steps
Instruction
Device
SD63
D64
SD65
SD66
SD79
SD64
SD65
SD79
X0 ON
SD66
SD63
SD67
Adds 1
SD67
1
7
0
0
0
0
0
0
0
0
0
0
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