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67
Words Allocated in DM Area
Section 4-3
4-3
Words Allocated in DM Area
4-3-1
Allocated Words
A total of 100 words are allocated from words in the CPU Unit’s DM Area for
Special I/O Units (D20000 to D29599) according to the unit number (0 to 95)
set for the Customizable Counter Unit using the rotary switches on the front of
the Unit.
• The following table shows the relationship between the unit number setting
and the CPU Unit’s allocations.
The allocated words are divided into two areas: The Initial Setting Area (m to
m+9), to which specific functions have been allocated, and general-purpose
words (m+10 to m+99), to which functions have not been allocated.
1,2,3...
1.
The contents of the Initial Setting Area (m to m+9) are transferred from the
CPU Unit to the Customizable Counter Unit at startup or when the Custom-
izable Counter Unit is restarted.
2.
General-purpose words (m+10 to m+99) can be allocated to user-set
words in the DM, EM, IR, LR, or AR Area in the Customizable Counter Unit.
The contents of general-purpose words are exchanged with the CPU Unit
at the CPU Unit’s I/O refresh (i.e., on the CPU Unit’s timing).
Unit number
Allocated words
0
D20000 to D20099
1
D20100 to D20199
2
D20200 to D20299
3
D20300 to D20399
4
D20400 to D20499
5
D20500 to D20599
6
D20600 to D20699
7
D20700 to D20799
8
D20800 to D20899
9
D20900 to D20999
10
D21000 to D21099
...
...
n
(n
´
100) to (n
´
100) + 99
...
...
95
D29500 to D29599
Содержание CS1W-HCA12-V1
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