Arithmetic And Logical Operation (+, −, ×, ÷) – Fnc 20 To Fnc 29 - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
10. Arithmetic and Logical Operation (+, −, ×, ÷) –
FNC 20 to FNC 29
FNC 20 to FNC 29 provide instructions for arithmetic operations and logical operations of numeric data.
FNC No. Mnemonic
20 ADD
21 SUB
22 MUL
23 DIV
24 INC
25 DEC
26 WAND
27 WOR
28 WXOR
29 NEG
Floating point operation instructions
FX , FX and FX
3G 3U
operation instructions in the floating point format.
FNC No.
120
121
122
123
For details, refer to the explanation of each instruction.
Symbol
ADD S1
SUB S1
MUL S1
DIV S1
INC
DEC
S1
WAND
WOR S1
S1
WXOR
NEG
PLCs offer not only arithmetic operation instructions in binary format but also arithmetic
3UC
Instruction mnemonic
[D]EADD
[D]ESUB
[D]EMUL
[D]EDIV
10 Arithmetic and Logical Operation (+, −, ×, ÷) – FNC 20 to FNC 29
Function
Addition
S2 D
Subtraction
S2 D
Multiplication
S2 D
Division
S2 D
Increment
D
Decrement
D
Logical Word AND
S2 D
Logical Word OR
S2 D
Logical Exclusive OR
S2 D
Negation
D
Contents of processing
Addition of binary floating point
Subtraction of binary floating point
Multiplication of binary floating point
Division of binary floating point
→ For the floating point operation, refer to Chapter 18.
1
2
Reference
3
Section 10.1
Section 10.2
Section 10.3
4
Section 10.4
Section 10.5
5
Section 10.6
Section 10.7
Section 10.8
6
Section 10.9
Section
10.10
7
8
9
10
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