IDEC MICROSmart FC6A Series Ladder Programming Manual page 87

32-bit Data Storage
The 32-bit data for D (double word) and L (long word) is stored in devices according to the method selected in WindLDR under
Device Settings in Function Area Settings.
For applicable devices and instructions, see Chapter 5 "32-bit Data Storage Setting" in the "FC6A Series MICROSmart User's
Manual".
*1
Word devices : The data storage when From Upper Word is selected under Device Settings
When D0 is specified as the source or destination device, the upper word is stored in D0 and the lower
word is stored in D1.
Double word data (constant)
Upper word
1 2 3 4
The data storage when From Lower Word is selected under Device Settings
When D0 is specified as the source or destination device, the lower word is stored in D0 and the upper
word is stored in D1.
Double word data (constant)
Upper word
1 2 3 4
*1
Bit devices : The data storage when From Upper Word is selected under Device Settings
When R0 is specified as the source or destination device, the upper word is stored in R0 to R15 and the
lower word is stored in R16 to R31.
Double word data (constant)
Upper word
1 2 3 4
The data storage when From Lower Word is selected under Device Settings
When R0 is specified as the source or destination device, the lower word is stored in R0-R15 and the
upper word is stored in R16-R31.
Double word data (constant)
Upper word
1 2 3 4
*1 For bit devices and word devices, see "Devices" on page 2-1.
Lower word
5 6 7 8
(Hexadecimal)
Lower word
5 6 7 8
(Hexadecimal)
Lower word
5 6 7 8 R0 to R15:
(Hexadecimal)
R16 to R31:
Lower word
5 6 7 8 R0 to R15:
(Hexadecimal)
R16 to R31:
FC6A S MICROS
ERIES MART
D0: 1 2 3 4 Upper word
D1: 5 6 7 8 Lower word
D0: 5 6 7 8 Lower word
D1: Upper word
1 2 3 4
R15 R0
1 2 3 4 Upper word
R31 R16
Lower word
5 6 7 8
R15 R0
5 6 7 8 Lower word
R31 R16
1 2 3 4 Upper word
L P M
ADDER ROGRAMMING ANUAL
3: I
NSTRUCTIONS
FC9Y-B1726
R
EFERENCE
3-9