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27 Applied Instructions (Data Operation 3)
27.3 POP / Shift Last Data Read [FILO Control]
660
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
27.3
POP / Shift Last Data Read [FILO Control]
Outline
This instruction reads the last data written by the shift write (SFWR) instruction for the first-in first-out and first-
in last-out control
in last-out control
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD
ST
POP
16 bits
Continuous
POP(EN,s,n,d);
POPP
16 bits
Pulse
POPP(EN,s,n,d);
Variable
Description
Data type
Input
variable
variable
EN
Execution condition
Bit
Head device storing first-in data (including pointer data)
ANY16
Number of pieces of data stored
(Add "1" because pointer data is also included.)
(Add "1" because pointer data is also included.)
ANY16
Output
variable
variable
ENO
Execution state
Bit
Device storing last-out data
ANY16
Operand
type
Bit Devices
Word Devices
Others
System user
Digit specification
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modifier K H
E
"
"
P
z
z
z z z z z
z
z
z z
z
z
z z z z z
z
z z
z
POP
EN
s
s
ENO
d
n
POPP
EN
s
s
ENO
d
n