7. APPLICATION INSTRUCTIONS
7 − 1
MELSEC-A
7. APPLICATION INSTRUCTIONS
Application instructions are used when special processing is required. They are
classified as follows:
Classification of Application Instructions Description Ref. Page
Logical operation instruction
Logical operation such as logical add and logical
product
7-2
Rotation instruction Rotation of specified data 7-22
Shift instruction Shift of specified data 7-31
Data processing instruction
Data processing such as 16-bit data search,
decode, and encode
7-40
FIFO instruction Read/write of FIFO table 7-59
Buffer memory access instruction
Read/write of buffer memory in special function
module
7-64
FOR to NEXT instruction FOR to NEXT 7-88
Local, remote I/O station access instruction Read/write of data in local, remote I/O station 7-90
Display instruction
Output of character code, indication of data on LED
display
7-104
Miscellaneous
Instructions which are not included in the above
classification, such as WDT reset and carry flag
set/reset
7-121