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I
4.A2CCPU
- - - - - - - - - - - - - - - - - - - - MELSEC·A
Table 4.12 Sequence Instructions (Continued)
Classification
InatruclIon
Symbol
Contents of Processing
Symbcl
I
CJ
I H
CJ
I
p••
H
Jumps to p** after the input condition is enabled.
Jump
I
SCJ
I H
SCJ
I
p••
H
Jumps to p** beginning with the next scan after the
input condition is enabled.
I
JMP
I H
JMP
I
p ••
H
Unconditionally jumps to P**.
Program
I
CALL
I
--j
CALL
I
p••
H
Executes the subroutine program at p** after the input
branch
instructions
Subroutine
I
CALLP
I
--j
CALLP
I
p ••
H
condition is enabled.
call
I
RET
I H
RET
H
Returns execution from the subroutine program to the
sequence program.
Micro-
I
SUB
I
--j
SUB
I
n
H
computer
-
I
H
Executes the microcomputer program specified
by
n.
program call
I
SUBP
I
SUBP
n
I
FOR
I H
FOR
I
n
H
Execute the program area between [FOR] and [NEXT]
[FOR] to
[NEX1]
Repetition
I
I H
H
lin" times.
NEXT
NEXT
Unk refresh
I
COM
I H
COM
H
Executes link refresh, general data processing.
Refresh
Link
I
EI
I H
EI
H
Enables link refresh. Valid when M9053 is on.
instructions
refresh
enable,
I
DI
I H
DI
H
Disables link refresh. Valid when M9053 is on.
disable
I
FEND
I H
FEND
H
Always used at the end of the main routine program to
Termination
Program
terminate processing.
instructions
end
I
I
Always used at the end of the sequence program to
END
-
return to step O.
Resets output after input condition is enabled, and
Stop
I
STOP
I
--j
STOP
H
stops the sequence program. The sequence program
Other
is resumed by setting the RUN keyswitch to RUN.
instructions
No
I
NOP
I
-
No operation
operation
For program erasure or space
4-61

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