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Bit-shift instructions
F113_WBSL
Shifts one hexadecimal digit (4 bits) of the data range specified by d1 (starting) and d2 (ending) to
Description
the left (to the higher digit position) if the trigger EN is in the ON-state.
When one hexadecimal digit (4 bits) is shifted to the left,
the data in the higher hexadecimal digit (bit position 12 to 15) of the 16-bit data
specified by d2 is shifted out.
the data in the lower hexadecimal digit (bit position 0 to 3) of the 16-bit data
specified by d1 becomes 0.
The data in the higher
hexadecimal digit (bit
positions 12 to 15) is
shifted out
d1 and d2 should be:
the same type of operand
d1 d2
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.
Availability of F113_WBSL (see page 1320)
PLC types
Data types
Variable
Data type
d1
ANY16
d2
The variables d1 and d2 have to be of the same data type.
580
Left shift of one hex. digit (4 bits) of 16-bit data range
Specified data range
d2
15 1211
8 7
4 3
0
15
· ·
· ·
· ·
· ·
· ·
d2
15 1211
8 7
4 3
0
15
· ·
· ·
· ·
· ·
· ·
Function
starting 16-bit area
ending 16-bit area
d1
· · 0
15 1211
8 7
4 3
0
· ·
· ·
· ·
· ·
d1
· · 0
15 1211
8 7
4 3
0
· ·
· ·
· ·
· ·
0
The lower hexadecimal digit (bit
positions 0 to 3) becomes 0
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