IDEC FT1A Series User Manual page 151

Programming WindLDR
From the WindLDR menu bar, select Configuration > Device Settings.
1.
The Function Area Settings dialog box for Device Settings appears.
Under 32-bit Data Storage Setting, select From Upper Word or From Lower Word in the pull-down list.
2.
Example: 32-bit Data Storage Setting
When data register D10 is designated as a double-word source device and data register D20 is designated as a double word
destination device, the data is loaded from or stored to two consecutive devices according the 32-bit data storage setting as
illustrated below.
Source Device
From Upper Word
High Word D10
Low Word D11
From Lower Word
Low Word D10
High Word D11
4660
(1234h)
22136
(5678h)
22136
(5678h)
4660
(1234h)
S AXIS P
MART RO
Double-word Data
305419896
(12345678h)
/L U ' M FT9Y-B1378
ITE SER S ANUAL
5: S F
PECIAL UNCTIONS
Destination Device
From Upper Word
4660
High Word D20
(1234h)
22136
Low Word D21
(5678h)
From Lower Word
22136
Low Word D20
(5678h)
4660
High Word D21
(1234h)
5-63