Mitsubishi Electric MELSEC iQ-R Series User Manual page 261

Connection type
Set the method for data sending between the originator and the target.
For EtherNet/IP communications, the connection type can be set to point-to-point or multicast.
■Point-to-point
This connection type is set for one-to-one communication between the originator and the target.
When multiple originators establish a connection to one target point-to-point, the target sends a send frame for each originator
separately through unicast.
(2)
Originator B

Receive data

Point-to-point connection
(1) Originator A (scanner)
(2) Originator B (scanner)
(3) Target (adapter)
 Open a connection for which the connection type is set as point-to-point between the originator and the target.
 The target returns a response (normal) to the originator.
 The target sends data through unicast.
(3)
Target
Send data
 
Point-to-point connection
(1)
EtherNet/IP communications
Originator A

Receive data

12 FUNCTIONS
12.2 Cyclic Transmission Function
12
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