High
−
level Instructions
3
−
687
Outline
Multiplies two real number data items and stores the result in the
specified 32-bit area.
For the FP0R/FP
Σ
/FP
−
X/FP0/FP
−
e, the P type high
−
level instructions
are not available.
Program example
Ladder Diagram
Boolean
Ladder Diagram
Address
Instruction
S1
Trigger
S2
D
F312 F
*
, DT10, DT20, DT30
10
R0
10
11
ST
R
0
F312
(F
*
)
DT
10
DT
20
DT
30
S1
Real number data (2 words) or lower 16-bit area of 32-bit data (for
multiplicand)
S2
Real number data (2 words) or lower 16-bit area of 32-bit data (for multiplier)
D
Lower 16-bit area of 32-bit data (for result)
Operands
Operand
Relay
Timer/Counter
Register
Index
register
Constant
Index
modifier
Integer
device
Operand
WX WY WR WL
SV
EV
DT LD
FL
I
K
H
f
modifier device
S1
A
A
A
A
A
A
A
A
A
A
A
A
A
A
*
A
S2
A
A
A
A
A
A
A
A
A
A
A
A
A
A
*
A
D
N/A
A
A
A
A
A
A
A
A
A
N/A N/A N/A
A
A
*
Index modification of a real number is not possible.
Description
Multiplies the real number data (2 words) specified by S1 and the one specified by S2 when the trigger turns
on.
The multiplied result is stored in D+1 and D (32-bit area).
[S1+1, S1]
×
[S2+1, S2]
→
[D+1, D]
Specifying the integer device with [S1] and [S2], the integer data is internally converted to real numbers
before operations continue.
F312 F
*
, % DT 0, % DT 2, DT 4
R0
F312
P312
(PF
*
)
(F
*
)
Floating point data multiplication
A: Available
N/A: Not Available
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Summary of Contents for FP-X
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