Mitsubishi MELSEC-A Series Programming Manual page 37

2. INSTRUCTIONS
Classi- Instruction
fication Symbol
FIFW
Write
FIFWP
FIFR
Read
FIFRP
Classi- Instruction
fication Symbol
FROM
FROMP
Date
read
DFRO
DFROP
TO
TOP
Date
write
DTO
DTOP
FROM
FROMP
Data
read
DFRO
DFROP
(5) FIFO instructions
Table 2.21 FIFO Instructions
Symbol Contents of Processing
(6) Buffer memory Access instructions
Table 2.22 Buffer Memory Access Instruction (Continue)
Symbol Contents of Processing
Reads data from the special
function module.
Writes data to the special
function module.
Reads data from remote
terminals.
*1: For the number of steps when extension devices are used or when index qualification is performed to
bit devices for AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH board, refer to Section 3.8.1.
*2: The mark in the Index column indicates that index qualification can be performed with the AnA,
A2AS, AnU, QCPU-A (A Mode) and A2USH board only.
*3: The mark in the Subset column indicates that subset processing can be performed with the A3H,
A3M, AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH board only.
*1
Execu-
tion Con-
dition
7
7
7
7
*1
Execu-
tion Con-
dition
9
9
9
9
9
9
11
11
9
9
9
9
2 − 21
MELSEC-A
Applicable CPU
!
!
!
!
Applicable CPU
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.
Not applicable to A2C and A52G.

Dedicated to A2C and A52G.

Dedicated to A2C and A52G.

Dedicated to A2C and A52G.

Dedicated to A2C and A52G.
Page
7-60
7-60
7-60
7-60
Page
7-65
7-65
7-65
7-65
7-68
7-68
7-68
7-68
7-71
7-71
7-71
7-71