Mitsubishi FX3U Series Programming Manual

491
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
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
a) In the case of decimal point format
b) In the case of exponent format
• When a character string to be converted into binary floating point specified by has 7 digits or more excluding
the sign, decimal point and exponent part, the conversion result may contain rounding error.
a) In the case of decimal point format
31H(1)
b15 b8 b7 b0
+1
+2
+3
+4
30H(0)
38H(8)
32H(2)
2DH(-)
2EH(.)
37H(7)
31H(1)
7 8 101 2
+1
Binary floating point
(real number)
− 1.07812
D 
S 
S 
S 
S 
S 
D 
00H
b15 b8 b7 b0
+1
+2
+3
+4
20H(space)
2EH(.)
32H(2)
31H(1)
2DH(-)
31H(1)
33H(3)
30H(0)
2BH(+)
30H(0)
31H(1)
45H(E)
+5
+6
3 2 01 1 + 1 0E
+1
Binary floating point
(real number)
− 1.3201E+10
D 
S 
D 
S 
S 
S 
S 
S 
S 
00H
S
b15 b8 b7 b0
+1
+2
+3
+4
20H(space)
31H(1)
00H
33H(3)
31H(1)
2DH(-)
2EH(.)
30H(0)
36H(6)
31H(1)
38H(8)
35H(5)
+5
+6
3 0 11 5 8 1 26
32H(2)
20H(space)
Rounded.
+1
Binary floating point
(real number)
− 1.30156
Up to 6 digits are securely
equivalent.
S 
S 
S 
S 
S 
S 
S 
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)