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F51
*
(DB
P51
(PDB
Outline
Multiplies two BCD data items that express 8-digit decimal numbers
(8-digit BCD H codes).
For the FP0R/FPΣ/FP−X/FP0/FP−e, the P type high−level instruction
"P51 (PDB*)" is not available.
Program example
Trigger
R0
10
F51 DB* , DT10 , DT20 ,
S1
S2
D
Operands
Relay
Operand
WX WY WR
S1
A
A
S2
A
A
D
N/A
A
(*1) This cannot be used with the FP0 and FP−e.
(*2) This cannot be used with the FP0, FP−e, FP0R, FPΣ, FP−X.
(*3) With the FP0R, FPΣ, FP−X, FP2, FP2SH, and FP10SH, this is I0 to IC.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
8-digit BCD data multiplication
)
[(S1+1, S1) × (S2+1, S2) → (D+3, D+2, D+1, D)]
*
)
Ladder Diagram
Ladder Diagram
S1
S2
8-digit BCD equivalent constant or lower 16-bit area for 8-digit BCD data (for
multiplicand)
8-digit BCD equivalent constant or lower 16-bit area for 8-digit BCD data (for
multiplier)
Lowest 16-bit area for 16-digit BCD data (for result)
Timer/Counter
WL
(*
SV
EV
****
)
A
A
A
A
A
A
A
A
A
A
A
A
DT30
D
Index
Register
register
LD
(*
FL
IX
DT
IY
****
(*2)
(*3)
)
A
A
A
A
N/A
A
A
A
A
N/A
A
A
A
N/A
N/A
High−level Instructions
Boolean
Address
Instruction
10
ST
R
11
F 51
(DB*)
DT
DT
DT
Constant
Index
modifier
K
H
A
A
A
A
A
A
N/A
N/A
A
A:
Available
N/A: Not Available
3 − 113
0
10
20
30
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