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Arithmetic instructions
F30_MUL
Multiplies the 16-bit data or 16-bit equivalent constant s1 and the 16-bit data or 16-bit equivalent
Description
constant specified by s2 if the trigger EN is in the ON-state. The result is stored in d (32-bit area).
All 16-bit values are treated as integer values.
Result value 170 if trigger is ON
Bit
15 . . 12 10 . . 8 7 . . 4 3 . . 0
d
This instruction also exists as a P instruction (for FP2/2SH, FP3/5, FP10/10SH PLC types), which
is only executed at the rising edge of the EN trigger. Select [Insert P instruction] from the
"Instructions" pane if you require a P instruction. To facilitate reuse, the instruction then appears
under "Recently used" in the pop-up menu. Press <Ctrl>+<Shift>+<v> within the programming
area to open the list of recently used elements.
Instead of using this FP instruction, we recommend using the related IEC instruction MUL (see
page 63). Please refer also to Advantages of the IEC instructions in the online help.
Availability of F30_MUL (see page 1323)
PLC types
Data types
Variable
Data type
s1
ANY16
s2
ANY32
d
The variables s1, s2 and d have to be of the same data type.
Operands
For
WX
s1, s2
d
390
16-bit multiplication, destination can be specified
Bit
s1
Example value 10
Bit
Example value 17
s2
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
Function
multiplicand
multiplier
result
Relay
WY
WR
WL
-
DWY
DWR
DWL
15 . . 12 10 . . 8 7 . . 4 3 . . 0
0 0 0 0
0 0 0 0
0 0 0 0
X
15 . . 12 10 . . 8 7 . . 4 3 . . 0
1 0 0 0
0 1 0 0
0 0 0 1
15 . . 12 10 . . 8 7 . . 4 3 . . 0
0 0 0 0
0 0 0 0
1 0 1 0
32-bit area
T/C
Register
SV
EV
DT
LD
DSV
DEV
DDT
DLD
1 0 1 0
0 0 0 1
1 0 1 0
Constant
FL
dec. or hex.
DFL
-
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