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

60
2 INSTRUCTION TABLES
2.5 Application Instructions
Data table operation instructions
Buffer memory access instructions
Category Instruction
symbol
Symbol Processing details Execution
condition
Number
of basic
steps
Subset Reference
Data table
processing
FIFW 3  Page 498
FIFWP
FIFR 3  Page 500
FIFRP
FPOP 3  Page 502
FPOPP
FDEL 4  Page 504
FDELP
FINS 4  Page 504
FINSP
Category Instruction
symbol
Symbol Processing details Execution
condition
Number
of basic
steps
Subset Reference
Data read FROM • Reads data in 16-bit units from an
intelligent function module.
5  Page 506
FROMP
DFRO • Reads data in 32-bit units from an
intelligent function module.
5 
DFROP
Data write TO • Writes data in 16-bit units to an
intelligent function module.
5  Page 509
TOP
DTO • Writes data in 32-bit units to an
intelligent function module.
5 
DTOP
FIFW SD
(S)
Pointer
(D)
Pointer + 1
Device at
pointer + 1
FIFWP SD
FIFR SD
(S)
Pointer
(D)
Pointer - 1
FIFRP SD
FPOP SD
(S)
Pointer
(D)
Pointer - 1
Device at pointer + 1
FPOPP SD
FDEL nSD
(S)
Pointer
(D)
Pointer - 1
Designated by n
FDELP nSD
FINS nSD
(S)
Pointer
(D)
Designated by n
Pointer + 1
FINSP nSD
FROM n3n1 n2 D
FROMP n3n1 n2 D
DFRO n3n1 n2 D
DFROP n3n1 n2 D
TO n3n1 n2 S
TOP n3n1 n2 S
DTO n3n1 n2 S
DTOP n3n1 n2 S