Mitsubishi MELSEC-Q/L

231
BCD, BCDP, DBCD, DBCDP
1
2
3
4
6
7
8
6.3 Data conversion instructions 6.3.1 BCD, BCDP, DBCD, DBCDP
6.3 Data conversion instructions
: BIN data or head number of the devices where the BIN data is stored (BIN 16/32 bits)
:
Head number of the devices where BCD data will be stored (BCD 4/8 digits)
Function
BCD
Converts BIN data (0 to 9999) at the device designated by to BCD data, and stores it at the device designated by .
DBCD
Converts BIN data (0 to 99999999) at the device designated by to BCD data, and stores it at the device designated by .
6.3.1 BCD, BCDP Conversion from BIN data to BCD 4-digit data
DBCD, DBCDP Conversion from BIN data to BCD 8-digit data
6.3.1 BCD, BCDP, DBCD, DBCDP
Setting
Data
Internal Devices
R, ZR
J\
U\G
Zn
Constants
K, H
Other
Bit Word Bit Word
––
–– ––
Basic
Process
High
performance
Redundant Universal LCPU
P
Command
Command
BCD, DBCD
BCDP, DBCDP
S
D
S D
indicates an instruction symbol of BCD/DBCD.
S
D
S
D
S
D
-32768
0
16384
0
8192
1
4096
0
2048
0
1024
1
512
1
256
1
128
0
64
0
32
0
16
0
8
1
4
1
2
1
1
1
BIN 9999
8000
1
4000
0
2000
0
1000
1
800
1
400
0
200
0
100
1
80
1
40
0
20
0
10
1
8
1
4
0
2
0
1
1
BCD 9999
BCD conversion
Thousands digits Hundreds digits Tens digits Ones digits
Must always be "0".
S
D
S
D
BCD conversion
+1 (Upper 4 digits)
0
BIN 99999999
Must always be "0" (upper 5 digits).
0
0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 1
0
BCD 99999999
Ten
millions
digits
1 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
Millions
digits
Hundred
thousands
digits
Ten
thousands
digits
Thousands
digits
Hundreds
digits
Tens
digits
Ones
digits
+1 (Upper 16 bits)(Lower 16 bits)
(Lower 4 digits)
1
2 4 8
1
2 4 8
1
2 4 8
1
2 4 8
1
2 4 8
1
2 4 8
1
2 4 8
1
2 4 8
S
D
10
7
10
6
10
5
10
4
10
3
10
2
10
1
10
0
2
31
2
30
2
29
2
28
2
27
2
26
2
25
2
24
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
S S
DD