X8 Instruction Set Reference Manual
15-4
Shift and FIFO, LIFO Instructions
FIFOL - FIFO QUEUE LOAD
FIFOU - FIFO QUEUE
UNLOAD
Instruction Type: output
When the rung state is true,
• FIFOL : load the specified data to data table specified as Queue.(Push)
• FIFOU : Unload the data from the specified Queue.(POP)
The FIFOL instruction can use following data type.
• IN : Specify the data to load to Queue
• FIFO : data table specified as QUEUE
• CTRL : CR data table. If the FIFOL and FIFOU instructions are in run state,
they are used to control the internal flag.
• LENGTH : data table size specified as QUEUE
• POS : data location that is loaded first (Pointer)
The FIFOU instruction use the following data type
• FIFO : data table specified as QUEUE
• CTRL : CR data table. It the BSL instruction is in run state, and used to contr
o
l
the internal flogs.
• LENGTH : bit length of the data table
• POS : data location that is stored first when extracting data (Pointer)
• OUT : data table to store after unload the data from the QUEUE
CTRL
√
√
LENGTH
√
√
BIT
√
√
√
√
√
√
√
√
√
Parameter
Data Table
SFR
Address
Mode
Address
Level
FIFOL
EN
ENO
IN
N14.0 -
FIFO
#N14.10 -
CTRL
CR11.0 -
Length
10 <
Enable
Done
FIFOU
EN
ENO
EnableUnload
Done
POS
9 <
FIFO
#N14.10 -
CTRL
CR11.0 -
Length
10 <
POS
9 <
OUT - N14.2
Содержание X8 Series
Страница 1: ...Catalog Number s X8 M14DDT X8 M16DDR X8 M32DDT X8 Instruction Manual Reference Manual ...
Страница 16: ......
Страница 64: ...X8 Instruction Set Reference Manual 2 12 X8 Series PLC Memory and Data Table ...
Страница 134: ...X8 Instruction Set Reference Manual 5 38 Using the High Speed Counter and Programmable Limit Switch ...
Страница 166: ...X8 Instruction Set Reference Manual 7 8 Relay Type Bit Instructions ...
Страница 180: ...X8 Instruction Set Reference Manual 8 14 Timer and Counter Instructions ...
Страница 205: ...X8 Instruction Set Reference Manual Math Instructions 10 17 ...
Страница 206: ...X8 Instruction Set Reference Manual 10 18 Math Instructions ...
Страница 212: ...X8 Instruction Set Reference Manual 11 6 Converion Instructions ...
Страница 218: ...X8 Instruction Set Reference Manual 12 6 Logical Instructions ...
Страница 236: ...X8 Instruction Set Reference Manual 15 8 Shift and FIFO LIFO Instructions ...
Страница 242: ...X8 Instruction Set Reference Manual 16 6 Sequencing Instructions ...
Страница 252: ...X8 Instruction Set Reference Manual 18 4 Input and Output Instructions ...
Страница 280: ...X8 Instruction Set Reference Manual 20 12 PID Control ...
Страница 296: ...X8 Instruction Set Reference Manual 21 16 ASCII Instructions ...
Страница 308: ...X8 Instruction Set Reference Manual 22 12 Communications Instructions ...
Страница 312: ...Appendix A 4 System Error Code ...
Страница 313: ...Appendix B MSG Instruction Error Code MSG Instruction Error Code ...
Страница 322: ...Appendix B 10 MSG Instruction Error Code ...
Страница 325: ...ASCII Character Set Appendix C 3 ...
Страница 326: ...Publication number X8 RM001A EN September 2012 ...
Страница 327: ...Copyright 2012 RS Automation Co Ltd All rights reserved ...