Omron CJ - INSTRUCTIONS Reference Manual page 423

Function
BCD
BCD(024) converts the binary data in S to BCD data and
writes the result to R.
The following diagram shows an example BCD-to-binary conversion.
R
× × × × ×
3 2 1 0
16 16 16 16
BCDL
BCDL(059) converts the 8-digit hexadecimal (32-bit binary)
data in S and S+1 to 8-digit BCD data and writes the result
to R and R+1.
The following diagram shows an example of 8-digit BCD-to-binary conversion.
× × × × × × × ×
7 6 5 4 3 2 1 0
16 16 16 16 16 16 16 16
Example Programming
When CIO 0.00 is ON in the following example, the hexadecimal value in CIO 11 and CIO 10 is
converted to a BCD value and stored in D100 and D101.
0.00
MBS
0
×16 ×16
7
MBS 0
×10 ×10
7
CS/CJ/NSJ Series Instructions Reference Manual (W474)
× × ×
3 2 1 0
10 10 10 10
R+1 R
× × × × × × × ×
7 6 5 4 3 2 1
10 10 10 10 10 10 10 10
10
D100
S+1: CIO 11
0 2 D
×16 ×16 ×16
6 5 4
5 4 3
2×16 +13×16 +3×16 +2×16
R+1: D101
2 9 6
×10 ×10 ×10
6 5 4
(BIN)
S+1
(BCD)
0
S: CIO 10
3 2 0 A
×16 ×16 ×16
3 2 1 0
2
+10=2961930
R: D100
1 9 3 0
×10 ×10 ×10
3 2 1 0
3. Instructions
R
(BCD)
S R+1 R
(BCD) (BIN) (BIN)
LSB
LSB
3
385