Mitsubishi MELSEC-A series - 8.2 Common Troubleshooting Scenarios

6. BASIC INSTRUCTIONS
6 − 31
MELSEC-A
6.2.8 BCD 8-digit multiplication, division
(DB*, DB*P, DB/, DB/P)
Available Device
Bit device Word (16-bit) device Constant Pointer
Level
Carry
flag
Error
flag
X Y M L S B F T C D W R A0 A1 Z V K H P I N
Digit specification
Index
M9012 (M9010, M9011)
(S1) O O O O O O O O O O O O O O O O
(S2) O O O O O O O O O O O O O O O O
(D) O O O O O O O O O O O
K1
to
K8
O O
Function DB*
(1) Performs multiplication of the BCD data specified at (S1) and the BCD data
specified at (S2), and stores the multiplication result into the device specified at
(D).
(2) If (D) is a bit device, the 8 lower digits (32 lower bits) of the multiplication result
may only be specified.
K1 1 lower digit (B0 to 3), K4 4 lower digits (B0 to 15), K8 8 lower digits (B0 to
31)
(3) At (S1) and (S2), 0 to 99999999 (BCD 8 digits) can be specified.
Applicable
CPU
All CPUs
Multiplication/division commands
(S1)
(S2)
(D)
(S1)
(S2) (D)
P
(S1)
Multiplicand/dividend or
head device number stor-
ing multiplicand/dividend
(S2)
Multiplier/divider or head
device number storing
multiplier/divider
(D)
Head device number
which will store the result
Setting data
DB∗, DB/
Indicates the instruction symbol.