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5-3SectionL: Data Link
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The following is an example of data link areas and the corresponding data link
tables.
Area 1 of node 1 Area 1 of node 2 Area 1 of node 3
Node 2
(20 words)
Node 3
(30 words)
Receive area
Node 1
(15 words)
Node 1
(15 words)
Node 1
(15 words)
Node 2
(20 words)
Node 2
(20 words)
Node 3
(30 words)
Node 3
(30 words)
Send area
Data Link Table for Node 1
Data Link Table for Node 2
Data Link Table for Node 3
When data link status is to be used, specify in the “Status Word” field the first
word of the area in which data link status is to be stored.
Example: To store data link status in DM 01000 to DM 01015 set the first status
word to D01000.
Setting Example
Data Link Status