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(b) Device setting
Set each number of points for the file register (ZR), extended data register (D), and extended link register (W)
in the File register extended setting in the Device tab of the PLC parameter dialog box.
Assign a part of the points set for the file register (ZR) in the PLC file tab to the extended data register (D) and
extended link register (W).
If data are to be latched, specify the latch range.
• Latch (2) of the file register (ZR)
• Latch (1) and (2) of the extended data register (D)
• Latch (1) and (2) of the extended link register (W)
Set these points so that the total is equal to the file
register size set in the PLC file tab.
Once the points for the extended data register (D) and extended link register (W) is set, areas for these devices
are reserved in the file register file.
Device
D0
Data register
D12287
D12288
Extended data
register
D63487
Figure 9.81 Areas for the extended data register (D) and extended link register (W)
The number of file register points set in the
PLC file tab is displayed.
Figure 9.80 File register extended setting
Actual area
Internal user device
D0
D1228
File register file
ZR
ZR1112063
D12288
D1036287
W2000
Specify the latch range if data are to be latched.
Points for data
register
Points for
file
register
Areas for the
extended data register
and extended link
register are reserved
Points for
in this order, after the
extended
area for the file
data register
register points.
Points for
extended
link register
CHAPTER9 DEVICES
9
2
3
4
5
6
7
8
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