7 Applied Instructions
7.3 Arithmetic and Logical Operation
185
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
1
Outline
2
Instruction List
3
Configuration of
Instruction
4
How to Read
Explanation of
Instructions
5
Basic Instruction
6
Step Ladder
Instructions
7
Applied
Instructions
8
Interrupt Function
and Pulse Catch
Function
A
Relationships
between devices
and addresses
7.3.3 MUL
Outline
This instruction executes multiplication by two values to obtain the result (A × B = C).
→ For the floating point multiplication instruction [DEMUL], refer to Section 7.12.10.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
MUL 16 bits Continuous MUL(EN,s1,s2,d);
MULP 16 bits Pulse MULP(EN,s1,s2,d);
DMUL 32 bits Continuous DMUL(EN,s1,s2,d);
DMULP 32 bits Pulse DMULP(EN,s1,s2,d);
Variable Description
Data type
16-bit
operation
32-bit
operation
Input
variable
EN Execution condition Bit
Data for multiplication or word device storing the multiplication
data
ANY16 ANY32
Data for multiplication or word device storing the multiplication
data
ANY16 ANY32
Output
variable
ENO Execution state Bit
Head word device storing the multiplication result ANY32
ARRAY [1..2]
OF ANY32
Operand
type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index
Constant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
VZModifier K H E
""
P
zzzzzzz
S1 S2
zz zz
zzzzzzz
S1 S2
zz zz
zzzzzz
S1 S2 S3
z
MUL
EN
s1
s2
ENO
d
MULP
EN
s1
s2
ENO
d
DMUL
EN
s1
s2
ENO
d
DMULP
EN
s1
s2
ENO
d
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