Mitsubishi FX3U Series Programming Manual

494
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.5 FNC117 – EVAL / Character String to Floating Point Conversion
2) In the program shown below, a character string stored in D10 and later is converted into binary floating point, and
stored to D100 and D101 when X000 turns ON
Operations at overflow, underflow and zero
Condition Operation
The absolute value of the conversion
result is less than "2
−126
".
The value of is the minimum value (2
−126
) of 32-bit real numbers and the borrow flag
M8021 turns ON.
The absolute value of the conversion
result is not less than "2
128
".
The value of is the maximum value (2
128
) of 32-bit real numbers and the carry flag M8022
turns ON.
The conversion result is true "0".
(The mantissa part is "0".)
The zero flag M8020 turns ON.
X000
FNC117
DEVALP
D10 D100
b15 b8 b7 b0
D11
Ignored.
D101
1.2345E − 2
20H(space)
2EH(.)
33H(3)
35H(5)
20H(space)
31H(1)
32H(2)
34H(4)
2DH(-) 45H(E)
Rounded.
D10
D13
D12
D16
D14
32H(2) 30H(0)
D15
D100
3 4 521 0E 2
END
00H
D
D

Mitsubishi FX3U Series Specifications

General

Model	FX3U Series
Program Memory	64k steps
Execution Speed	0.065 μs/basic instruction
Type	PLC (Programmable Logic Controller)
Power Supply	100-240V AC
I/O Points	Up to 384
Communication	USB
Expansion	Supported via expansion modules
High-Speed Counters	Up to 6 channels
Analog Input/Output	Available via expansion modules
Temperature Range	0 to 55°C
Programming Language	Ladder Logic, Structured Text
Built-in Functions	PID control
Humidity	5 to 95% (non-condensing)