5-2 Connecting to the Host Using Controller Link 
 
Example 2: Some nodes can 
send data without receiving data. 
Example 1: The order of send 
and receive nodes is free. 
 
  
rea 1 
rea 2 
rea 1 
rea 2 
Sending only 
 
 
 
 
 
 
  
Area 1 
Area 2 
Area 1 
Area 2 
Receiving only 
Receiving only 
Several words 
from the 
beginning 
 
Example 3: Some nodes can
receive data without sending
data. 
Example 4: A node can receive a 
specified number of words from 
the beginning of an area. 
 
 
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