Mitsubishi Electric MELSEC iQ-F FX5 Series User Manual page 83

• When "Communication Mode" is set to "Multicast" and the communication speed of the master station is set to "1Gbps",
slave stations with different communication speeds of 1Gbps and 100Mbps cannot be connected on the end side via a
switching hub.
Multicast mode
No.0
Class B (1Gbps)
General-purpose
switching hub
No.1
Class A (100Mbps)
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
■Coexistence of line and star topologies
Line and star topologies can be mixed in the same network configuration.
• When the master station with a communication speed of 1Gbps and a remote station with a communication speed of
100Mbps exist in the structure, set "Communication Period Setting" to "Low-Speed" for the remote station with a
communication speed of 100Mbps.
No.0
Class B (1Gbps)
No.0
Class B (1Gbps)
No.0: Master station
No.1: Local station
No.2, No.3, and No.4: Remote station
Class A: Authentication Class A device
Class B: Authentication Class B device
No.0
No.2
Class B (1Gbps)
Class A (100Mbps)
No.3
Class A (100Mbps)
No.1
General-purpose
Class B (1Gbps)
switching hub
No.1
General-purpose
Class B (1Gbps)
switching hub
5.2 Structure of Authentication Class B/A Devices and Ethernet Devices
Multicast mode
General-purpose
switching hub
No.1
Class A (100Mbps)
General-purpose
No.2
switching hub
Class A (100Mbps)
Low speed
General-purpose
No.2
switching hub
Class A (100Mbps)
Low speed
5 SYSTEM CONFIGURATION
No.2
Class A (100Mbps)
No.3
Class A (1Gbps)
No.3
Class A (100Mbps)
Low
speed
No.4
Class A (100Mbps)
Low speed
No.3
Class A (100Mbps)
Basic
cycle
No.4
Class A (100Mbps)
Low speed
5
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