Arithmetic instructions
356
Part III FP Instructions
F43_DBADD2
8-digit BCD addition, destination can be specified
31 . . 28 27 . . 24 23 . . 20 19 . . 16 15 . . 12 10 . . 8 7 . . 4 3 . . 0
s1
0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0
16# BCD
31 . . 28 27 . . 24 23 . . 20 19 . . 16 15 . . 12 10 . . 8 7 . . 4 3 . . 0
s2
1 0 0 0 0 1 1 1 0 1 1 0 0 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 0 0 0 1
16# BCD
31 . . 28 27 . . 24 23 . . 20 19 . . 16 15 . . 12 10 . . 8 7 . . 4 3 . . 0
d
1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1
16# BCD
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
9 9 9 9 9 9 9 9
Bit
Result value 16#99999999 (BCD) if trigger is ON
Bit
Example value 16#87654321 (BCD)
Bit
32-bit area
Example value 16#12345678 (BCD)
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.
PLC types
Availability of F43_DBADD2 (see page 1325)
Variable Data type Function
s1 DWORD augend, 32-bit area for 8-digit BCD data or equivalent
constant
s2 DWORD addend, 32-bit area for 8-digit BCD data or equivalent
constant
d DWORD sum, 32-bit area for 8-digit BCD data
Description
The 8-digit BCD equivalent constant or 32-bit area for 8-digit BCD data specified by s1 and s2 are
added together if the trigger EN is in the ON-state. The result is stored in d.
Data types
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