IDEC MICROSmart FC6A Series, Руководство пользователя

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FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722 5-57
5: F
UNCTIONS AND
S
ETTINGS
Programming WindLDR
1.
From the WindLDR menu bar, select Configuration > Device Settings .
The Function Area Settings dialog box for Device Settings appears.
2. Under 32-bit Data Storage Setting , select From Upper Word or From Lower Word in the pull-down list.
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.
305419896
Double-word Data
High Word D10
(12345678h)
Source Device
From Upper Word
4660
(1234h)
Low Word D11
22136
(5678h)
Low Word D10
22136
(5678h)
High Word D11
4660
(1234h)
From Lower Word
High Word D20
4660
(1234h)
Low Word D21
22136
(5678h)
Low Word D20
22136
(5678h)
High Word D21
4660
(1234h)
From Lower Word
From Upper Word
Destination Device