2-13
2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Sequence Input Instructions
2
AND LD/OR LD
AND LD/OR LD
Applicable Program Areas
Flags
There are no flags affected by this instruction.
Function
Hint
Instruction Mnemonic Variations Function
code Function
AND LOAD AND LD --- --- Takes a logical AND between logic blocks.
OR LOAD OR LD --- --- Takes a logical OR between logic blocks.
Symbol
AND LD OR LD
Area Step program areas Subroutines Interrupt tasks
Usage OK OK OK
AND LD
AND LD connects in series the logic block just
before this instruction with another logic block.
The logic block consists of all the instructions
from a LOAD or LOAD NOT instruction until
just before the next LOAD or LOAD NOT
instruction on the same rungs.
OR LD
OR LD connects in parallel the logic block just
before this instruction with another logic block.
The logic block consists of all the instructions
from a LOAD or LOAD NOT instruction until
just before the next LOAD or LOAD NOT
instruction on the same rungs.
AND LD
•Three or more logic blocks can be connected in series using this instruction to first connect two of the
logic blocks and then to connect the next and subsequent ones in order. It is also possible to continue
placing this instruction after three or more logic blocks and connect them together in series.
OR LD
•Three or more logic blocks can be connected in parallel using this instruction to first connect two of
the logic blocks and then to connect the next and subsequent ones in order. It is also possible to con-
tinue placing this instruction after three or more logic blocks and connect them together in parallel.
Logic block Logic block
Logic block
Logic block
LD
LD
AND LD
Logic block A
Logic block B
Serial connection between logic block A and
logic block B.
to
to
LD
LD
OR LD
to
to
Logic block A
Logic block B
Parallel connection between logic block A and
logic block B.