Data Table Operation Instructions - Mitsubishi Electric MELSEC-Q/L Programming Manual

Data table operation instructions

Category Instruction
symbol
Data table FIFW
processing
FIFWP
FIFR
FIFRP
FPOP
FPOPP
FDEL
FDELP
FINS
FINSP
Buffer memory access instructions
Category Instruction
symbol
Data read FROM
FROMP
DFRO
DFROP
Data write TO
TOP
DTO
DTOP
2 INSTRUCTION TABLES
60
2.5 Application Instructions
Symbol Processing details
(S)
FIFW S D
FIFWP S D
(S) Pointer
FIFR S D
FIFRP S D
(S) Pointer
FPOP S D
FPOPP S D
(S) Pointer
FDEL S D n
FDELP S D n
(S)
FINS S D n
FINSP S D n
Designated by n
Symbol
FROM n1 n2 D n3
FROMP n1 n2 D n3
DFRO n1 n2 D n3
DFROP n1 n2 D n3
TO n1 n2 S n3
TOP n1 n2 S n3
DTO n1 n2 S n3
DTOP n1 n2 S n3
Pointer
(D) Pointer + 1
Device at
pointer + 1
(D)
Pointer - 1
(D)
Pointer - 1
Device at pointer + 1
Pointer - 1 (D)
Designated by n
(D)
Pointer Pointer + 1
Processing details
• Reads data in 16-bit units from an
intelligent function module.
• Reads data in 32-bit units from an
intelligent function module.
• Writes data in 16-bit units to an
intelligent function module.
• Writes data in 32-bit units to an
intelligent function module.
Execution Number Subset Reference
condition of basic
steps

3

3

3
4 
4 
Execution Number Subset Reference
condition of basic
steps

5
5 

5

5
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