Mitsubishi FX3G 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 FX3G Series Specifications

General

Model	FX3G Series
Power Supply	AC 100-240V or DC 24V
Program Capacity	32, 000 steps
Execution Speed	0.21 µs/basic instruction
Communication Options	RS-422, USB, Ethernet
Expansion Modules	Analog, digital, communication
Programming Language	Ladder Logic, Instruction List
Built-in Functions	High-speed counters, pulse output
Analog I/O	Available via expansion modules