Fnc144 - Dis / 4-Bit Grouping Of Word Data - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
19.5 FNC144 – DIS / 4-bit Grouping of Word Data
Outline
This instruction separates 16-bit data into 4 bit units.
1. Instruction format
FNC 144
DIS
2. Set data
Operand type
S
D
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
D
n
Explanation of function and operation
1. 16-bit operation (DIS and DISP)
1) 16-bit data stored in
Command
input
b15
S
2) Specify a number 1 to 4 in "n".
In the case of "n = 0", DIS instruction is not executed.
3) High-order 12 bits of "n" devices starting from
Related instruction
Instruction
UNI (FNC143)
564
Mnemonic
16-bit Instruction
P
7 steps DIS
DISP
Device number storing data to be separated
Head device number storing separated data
Number of data to be separated (0 to 4) (When "n" is "0", DIS instruction is not
executed.)
Digit Specification
is separated in 4-bit units, and stored in
S
FNC144
S
DISP
b12b11 b8 b7 b4 b3
Combines low-order 4 bits of 16-bit data.
19.5 FNC144 – DIS / 4-bit Grouping of Word Data
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
D n
b0 b15
+0
D
+1
+2
+3
are set to "0".
D
Description
19 Data Operation 2 – FNC140 to FNC149
Mnemonic Operation Condition
−
−
Others
Con- Real
Index
stant Number
V Z Modify K H E
as shown below.
D
b4 b3
Low-order 4 bits
Low-order 4 bits
Low-order 4 bits
Low-order 4 bits
They are set to Data storage area
"0".
Data type
16-bit binary
Charac-
Pointer
ter String
" " P
b0
"n"
points