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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.7 FNC119 – EBIN / Scientific Notation to Floating Point Conversion
11
FNC30-FNC39
Rotation and
Shift
12
FNC40-FNC49
Data Operation
13
FNC50-FNC59
High-Speed
Processing
14
FMC60-FNC69
Handy
Instruction
15
FNC70-FNC79
External FX I/O
Device
16
FNC80-FNC89
External FX
Device
17
FNC100-FNC109
Data
Transfer 2
18
FNC110-FNC139
Floating Point
19
FNC140-FNC149
Data
Operation 2
20
FNC150-FNC159
Positioning
Control
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
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G V Z Modify K H E ""P
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)
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
b15b14b13b12b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
High order
b31b30b29b28b27b26b25b24b23b22b21b20b19b18b17b16
Before
execution
Mantissa partExponent part
+1
×
10
+1
High order Low order
b15b14b13b12b11b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0b31b30b29b28b27b26b25b24b23b22b21b20b19b18b17b16
After
execution
+1
Mantissa part (23 bits)Exponent part (8 bits)
Sign (1 bit)
S
S
S
S
D
D