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2 Instructions
2-10
CP1E CPU Unit Instructions Reference Manual(W483)
Precautions
• Differentiate up (@) or differentiate down (%) can be specified for AND. If differentiate up (@) is spec-
ified, the execution condition is turned ON for one cycle only after the status of the operand bit goes
from OFF to ON. If differentiate down (%) is specified, the execution condition is turned ON for one
cycle only after the status of the operand bit goes from ON to OFF.
• Immediate refreshing (!) can be specified for AND/AND NOT. An immediate refresh instruction
updates the status of the built-in input bit just before the instruction is executed from the CPU Unit.
• For AND, it is possible to combine immediate refreshing and up or down differentiation (!@ or !%). If
either of these is specified, the input is refreshed from the Basic Input Unit just before the instruction
is executed and the execution condition is turned ON for one cycle only after the status goes from
OFF to ON, or from ON to OFF.
Sample program
i
0.04
0.010.00
100.00
0.05
AND
AND NOT
Instruction Operand
LD 0.00
AND 0.01
LD 0.02
AND 0.03
LD 0.04
AND NOT 0.05
OR LD --
AND LD --
OUT 100.00
0.030.02
AND