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Setting Data Links Section 5-2
Data Link Areas Created
DM Parameter Setting
Example for 1:N
Allocation, Common Type
When automatic data link creation with common type1:N allocations is used,
the DM Parameter Area of the startup node is set as follows:
*: The default area for storing data link status is the Special I/O Unit Area
(CIO 1500 + (25
× Controller Link Unit number) +7 to +22).
#3
Area 1
Area 2
Node #1 Node #2 Node #3
LR 0
LR 10
LR 20
D1000
D1200
D1400
#1 #1 #1
#2
#3
#1
#2
#3
#2
#1
#2
#3
#2
#3
#1
#2
#3
N 0050
N+1 to N+11
0000
N+12 0001
N+13 0100
N+14 80
00
N+15 0030
N+16
0020
N+17 1000
N+18 82 00
N+19
0400
N+20
0200
N+21
0000
N+22 000F
N+23
0000
N+24 0000
N+25
0000
Word Setting
Data link mode: Automatic 1:N allocation
"0" because equality layout allocations are not used.
Common type
Area for area 1: CIO Area
Start word: 100
Area 1 send size for master node: 30
Area 1 send size for slave nodes: 20
Area for area 2: DM Area
Start word: D1000
Area 2 send size for master node: 400 words
Area 2 send size for slave nodes: 200 words
Data link status stored in default area (*)
Data link participating nodes: #1, #2, #3, and #4