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Chapter 7: Computer Link Function
7
The common memory can also be used exclusively as a receiving area.
Example 2: Common memory during a cyclic transfer
(3) Area 1 and area 2
One node can be allocated two data areas (area 1 and area 2) for common memory. To determine
the sending area, specify a top address and the size of the area.
To access the area, use word addresses. Area 1 consists of 0.5 K word. Area 2 consists of 8 K words.
Common memory areas 1 and 2
(Receive)
Node 02
Size
Area 1
Size
Area 2
Node 01
common memory
(Receive) (Send)
(Receive)
(Receive)
(Send)
Node 05
Top address
Top address