5-3. Description of Basic Instructions
107
Outline PSHS: Stores the operated result up to this instruction.
RDS: Reads the operated result stored by the
PSHS instruction.
POPS: Reads and clears the operated result stored by the
PSHS instruction.
Program example
■ Explanation of example ■ Time chart
• When X0 turns ON:
1) Stores the operated result up to the PSHS instruction
and Y0 goes ON when X1 turns ON.
2) Reads the stored result by the RDS instruction and Y1
goes ON when X2 turns ON.
3) Reads the stored result by the POPS instruction and Y2
goes ON when X3 turns OFF. Also clears the stored result
by the PSHS instruction.
Ladder Diagram FP Programmer II key operations
Boolean Non-ladder
Address Instruction
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