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12 Applied Instructions (High Speed Processing)
255
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
11
Applied Instructions
(Data Operation)
12
Applied Instructions
(High Speed
Processing)
13
Applied Instructions
(Handy
Instruction)
14
Applied Instructions
(External FX I/O
Device)
15
Applied Instructions
(External Device
(optional device))
16
Applied Instructions
(External Device)
17
Applied Instructions
(Data Transfer 2)
18
Applied Instructions
(Floating Point)
19
Applied Instructions
(Data Operation 2)
20
Applied Instructions
(Positioning
Control)
12.1 REF / Refresh
12.1 REF / Refresh
Outline
This instruction immediately outputs the latest input (X) information or the current output (Y) operation result
in the middle of a sequence program operation.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
REF 16 bits Continuous REF(EN, d, n);
REFP 16 bits Pulse REFP(EN, d, n);
Variable Description Data type
Input variable
EN Execution condition Bit
Bit device (X or Y) to be refreshed Bit
Number of bit devices to be refreshed ANY16
Output variable ENO Execution state Bit
Operand
type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
V Z Modifier K H E
"
"
P
S1 S2
S3 S3
REF
EN
d
n
ENO
REFP
EN
d
n
ENO