LS Industrial Systems XBC-DR10E - Double Word Data (DWORD)

Chapter 4 CPU Specifications
XBC E-Type Main Unit 4-16 Ver. 1
2. Bit device
The bit device is expressed with its lowest digit (Digits expressed in hexadecimal – position to
display bit) taken out and will be designated as word data.
4.6.5 Double word data (DWORD)
Double word data is 32-bit numeric data. It can be expressed in decimal and hexadecimal. If data is to be
expressed in hexadecimal, H should be added in front of the number.
· Decimal:
-2,147,483,648 ~ 2,147,483,647 (Signed operation) or 0 ~ 4,294,967,295 (Unsigned operation)
· Hexadecimal:
H0 ~ HFFFFFFFF
Double word data can be expressed through word device or bit device.
1. Word device
It specifies device number applicable to lower 16-bit data among 32-bit data.
Data of (Specified device number) and (Specified device number + 1) is used as double word data.
P00010
MOV H1234 P0000
P0000
b15
0
0
b0
0
1
1
1
0
0
1
0
0
0
0
1
0
0
1
0
3
2
5
4
7
6
9
8
B
A
D
C
F
E
1 word data of P0000 specified
1
2
3
4
P00010
DMOV 1234 D21
2-point data (word) such as D21, D22 is the object
Double word instruction