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5 SEQUENCE INSTRUCTIONS
(2) The table below shows which CPU module features either the LED display device on front of
the CPU module or "USER" LED
LED display device
"USER LED"
(3) If, when the value of SD63 is 16, and annunciator numbers are deleted from SD64 to SD79 by
use of the RST instruction, annunciators whose numbers are not registered in SD64 to SD79
are then turned ON, the numbers of these annunciators will be registered. If all annunciator
numbers from SD64 to SD79 are turned OFF, the LED display device on the front of the CPU
module, or the "USER" LED, will be turned OFF.
[Operations which take place when SD63 is 16]
SD63
SD64
SD65
SD66
SD78
SD79
[Operation Errors]
(1) There are no operation errors associated with the SET F
[Program Example]
(1) The following program turns annunciator F11 ON when X1 goes ON, and stores the value 11
at the special register (SD64 to SD79).Further, the program resets annunciator F11 if X2 goes
ON, and deletes the value 11 from the special registers (SD64 to SD79).
[Ladder Mode]
SD63
0
SD64
0
SD65
0
SD66
0
SD78
0
SD79
0
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Type of LED
Q3A, Q4A, Q4AR
Q2A(S1), Q2AS(S1), Q2ASH(S1), QCPU
F30 turned ON
16
233
SD64
90
SD65
700
SD66
145
SD78
1027
1027
SD79
The contents of SD63
and SD64 to
SD79 are not changed.
When X1 is ON
When X2 is ON
Adds 1
Subtracts 1
SD63
1
SD64
11
SD65
0
SD66
0
SD67
0
SD78
0
SD79
0
CPU module Type Name
F90 is reset
16
16
233
233
SD64
700
90
SD65
700
28
SD66
145
SD77
145
1027
SD78
30
SD79
F30, which is ON,
is stored at SD79
or RST F
[List Mode]
Steps
Instruction
SD63
0
SD64
0
SD65
0
SD66
0
SD67
0
SD78
0
SD79
0
MELSEC-Q/QnA
The SD67
F number
is stored
instructions.
Device
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