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Setup Area Allocations Section 8-2
8-2 Setup Area Allocations
This section explains the Setup Area (Allocation DM Area) when a Serial
Communications Board or a Serial Communications Unit is used in 1:N NT
Link mode.
8-2-1 Setup Area Words
The Serial Communications Board and Serial Communications Units use the
following words as a Setup Area in the DM Area when 1:N NT Links are used.
The words allocated to the Serial Communications Board are different from
those allocated to the Serial Communications Units (which are allocated
words according to the unit numbers).
Serial Communications
Boards (CS Series Only)
Setup Area Allocated in the DM Area: D32000 to D32767
Serial Communications
Units (CS/CJ Series)
Setup Area Allocated in the DM Area: D30000 to D31599
First Word in Setup Area Allocated in the DM Area:
m = D30000 + 100
× unit number
Words Usage
D32000, D32006 Port 1 Settings
D32010, D32016 Port 2 Settings
D32001 to D32005
D32007 to D32009
D32011 to D32015
D32017 to D32019
Not used with1:N NT Links
D32020 to D32767 Reserved for the system
Unit No. DM Area
Unit No. 0 D30000 to D30099
Unit No. 1 D30100 to D30199
Unit No. 2 D30200 to D30299
Unit No. 3 D30300 to D30399
Unit No. 4 D30400 to D30499
Unit No. 5 D30500 to D30599
Unit No. 6 D30600 to D30699
Unit No. 7 D30700 to D30799
Unit No. 8 D30800 to D30899
Unit No. 9 D30900 to D30999
Unit No. A D31000 to D31099
Unit No. B D31100 to D31199
Unit No. C D31200 to D31299
Unit No. D D31300 to D31399
Unit No. E D31400 to D31499
Unit No. F D31500 to D31599
m to m + 1, m + 6: Port 1 Settings
m + 10 to m + 11, m + 16: Port 2 Settings
m + 2 to m + 5, m + 7 to m + 9, m + 12 to m + 15,
m + 17 to m + 19: Not used with 1:N NT Links
m+20 to m+99: Not used
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