Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G ユーザーズマニュアル
501
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.7 FNC119 – EBIN / Scientific Notation to Floating Point Conversion
11
FN
C
C
30
-FN
C
C
39
R
otati
on and
on and
Shi
ft
ft
12
FNC4
0-F
0-F
NC4
9
D
ata O
per
ati
per
ati
on
13
FN
C
C
50-FN
C
59
H
igh S
pe
ed
P
rocessing
14
FM
C
C
60-FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
0-F
NC7
9
Ex
ter
nal FX
I/O
D
evice
16
FN
C
C
80-FN
C
89
Ext
ernal
FX
ernal
FX
De
vic
vic
e
17
FN
C
100-
FN
FN
C
10
9
Da
ta
Transf
er 2
er 2
18
FN
C
110-
FN
FN
C
139
Floati
ng Poi
nt
19
FN
C
14
0-F
N
C
149
Da
ta
O
per
at
at
ion 2
20
FN
C
150-
FN
FN
C
159
Posit
ioning
C
ont
ro
ro
l
18.7
FNC119 – EBIN / Scientific Notation to Floating Point Conversion
Outline
This instruction converts scientific notation stored in devices into binary floating point.
→ For handling of floating point, refer to Subsection 5.1.3.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 32-bit operation (DEBIN and DEBINP)
Scientific notation stored in [
+1,
] is converted into binary floating point, and transferred to [
+1,
].
Operand Type
Description
Data Type
Data register number storing scientific notation data
Real number
(decimal)
Data register number storing converted binary floating point.
Real number (binary)
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3 3
3
3
3 3
3
3
P
FNC 119
EBIN
D
−
Mnemonic
Operation Condition
16-bit Instruction
DEBIN
DEBINP
Mnemonic
Operation Condition
32-bit Instruction
9 steps
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
S
D
S
D
S
S
D
D
Command
input
FNC119
DEBIN
Scientific notation
Binary floating point
S
D
[ +1, ]
→ [ +1, ]
S
S
D
D
After execution
Low order
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
High order
b31 b30 b29 b28 b27 b26 b25 b24 b23 b22 b21 b20 b19 b18 b17 b16
Before
execution
Mantissa part
Exponent part
+1
× 10
+1
High order
Low order
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b31 b30 b29 b28 b27 b26 b25 b24 b23 b22 b21 b20 b19 b18 b17 b16
After
execution
+1
Mantissa part (23 bits)
Exponent part (8 bits)
Sign (1 bit)
S
S
S
S
D
D