Mitsubishi Electric MELSEC iQ-R Series User Manual page 47

• When "Communication Mode" is set to "Multicast", the local station cannot be connected to the authentication Class A
remote station.
Multicast
No.0 No.1
Class B Class B
No.0: Master station
No.1, No.4: Local station
No.2, No.3: Remote station
Class A: Authentication Class A device
Class B: Authentication Class B device
■Star topology
The network is configured in a star topology via a switching hub.
• When connecting the authentication Class A device to the authentication Class B device or connecting the authentication
Class A device to the authentication Class A device in a star topology, connect via a general-purpose hub.
No.0
Class B
General-
purpose hub
No.1
Class A
No.0: Master station
No.1, No.2, and No.3: Remote station
Class A: Authentication Class A device
Class B: Authentication Class B device
• When "Communication Mode" is set to "Multicast", the local station cannot be used with an authentication Class A remote
station on the end side via a switching hub.
Multicast
No.0
Class B
General-
purpose hub
No.1
Class A
No.0: Master station
No.1, No.2, and No.3: Local station
No.4: Remote station
Class A: Authentication Class A device
Class B: Authentication Class B device
No.3
Class A
No.2
Class B
No.2
Class A
No.3
Class A
No.2
Class A
No.3
Class A
5.2 Structure of Authentication Class B/A Devices and Ethernet Devices
No.4
Class A
Multicast
No.0
Class B
General-
purpose hub
No.1
Class A
5 SYSTEM CONFIGURATION
No.2
Class A
No.4
Class A
45
5