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31 Applied Instructions (Data Transfer 3)
31.2 WBFM / Divided BFM Write
735
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
31
Applied Instructions
(Data Transfer 3)
32
Applied Instructions
(High Speed
Processing 2)
33
Applied Instructions
(Extension File
Register Control)
34
Applied Instructions
(FX
3U
-CF-ADP)
35
Interrupt Function
and Pulse Catch
Function
A
Relationships
between devices
and addresses
B
Applied
Instruction List
31.2 WBFM / Divided BFM Write
Outline
This instruction writes data to continuous buffer memories (BFM) in a special function block and unit over
several operation cycles by the time division method. This instruction is convenient for writing send data, etc.
to buffer memories in a special function block and unit for communication by the time division method.
TO instruction is also available for writing data to the buffer memory (BFM).
→ For TO instruction, refer to Section 14.9.
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
WBFM 16 bits Continuous WBFM(EN,m1,m2,s,n1,n2);
Variable Description Data type
Input
variable
EN Execution condition Bit
Unit number ANY16
Head buffer memory (BFM) number ANY16
Head device storing data to be written to buffer memory (BFM) ANY16
Number of all buffer memories (BFM) to be written ANY16
Number of points transferred in one operation cycle ANY16
Output
variable
ENO Execution state ANY16
Operand
type
Bit Devices Word Devices Others
System user Digit specification
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifierKH E
""
P
zz zz
zz zz
S1
zz
zz zz
zz zz
WBFM
EN ENO
m1
m2
s
n1
n2