Mitsubishi MELSEC-A series, Programming Manual

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4. INSTRUCTION FORMAT
4
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3
MELSEC-A
Explanations
(1) Indicates section number, and title and symbol of instruction.
(2) Indicates usable CPUs.
O : Usable
: Usable with some CPUs or needs special operations for use.
X : Unusable
If the instruction is usable with all types of CPUs, it is indicated as follows.
Applicable
CPU
All CPUs
(3) Describes details of 2). Pay special attention if the mark is given.
(4) Circles are given to devices which can be used for instructions.
(5) Indicates digits which can be specified when the bit device requires digit
specification.
(6) A circle (O) is given to the instruction which can use index qualification (Z or V
is added). A triangle ( ) is given to the instruction which can use index
qualification with some specific types of CPUs.
(7) A circle (O) is given to the instruction which can turn the carry flag ON.
(8) A circle (O) is given to the instruction which can turn the error flag ON when
operation error occurs.
(9) Gives notes concerning (4) to (10) above. Pay special attention if the O or
mark is given.
(10) Indicates the format of instructions in ladder mode.
(11) Described the instruction.
(12) Indicates the execution conditions of instructions.
(13) Indicates conditions which result in operation error.
(14) Describes program examples in ladder mode and list mode.
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