Chapter 7: Computer Link Function
The common memory can also be used exclusively as a receiving area.
Node 01 |
|
|
common memory | Node 02 | Node 05 |
(Receive) | (Receive) | (Send) |
(Receive) | (Send) | (Receive) |
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 7 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.
Area 1 | Area 2 |
Top address | Top address |
Size | Size |
Common memory areas 1 and 2