5 SYSTEM CONFIGURATION
5.4 Structure of CC-Link IE TSN Class B/A Devices (CC-Link IE TSN Protocol Version 1.0 Only) and Ethernet Devices
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5
• When "Communication Mode" is set to "Multicast" and the communication speed of the master station is 1Gbps,
communication may not be possible depending on the type of the device if device stations with different communication
speeds of 1Gbps and 100Mbps coexist on the end side via the industrial switch. The communication will be enabled by
configuring settings with the industrial switch so that the multicast frame (with multicast MAC address 09:00:70:00:10:02
and 09:00:70:00:10:05) will not be transferred to the port of the device station with 100Mbps.
Coexistence of line and star topologies
Line and star topologies can be mixed in the same network configuration.
• Configure the system with the number of CC-Link IE TSN Class B device stations and industrial switches (for CC-Link IE
TSN Class B) as eight or less in total for each port of the master station on the transmission path from the master station to
the CC-Link IE TSN Class B device of the end.
• 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: Master station
No.1, No.2: Remote station
No.3: Local station
Class A: CC-Link IE TSN Class A device
Class B: CC-Link IE TSN Class B device
No.0: Master station
No.1: Local station
No.2, No.3, and No.4: Remote station
Class A: CC-Link IE TSN Class A device
Class B: CC-Link IE TSN Class B device
No.0
Class B (1Gbps)
No.3
Class B (1Gbps)
No.1
Class A (100Mbps)
No.2
Class A (100Mbps)
Multicast mode
Industrial switch
(for CC-Link IE TSN
Class B)
No.0
Class B (1Gbps)
No.1
Class B (1Gbps)
No.2
Class A (100Mbps)
No.3
Class A (100Mbps)
No.4
Class A (100Mbps)
No.0
Class B (1Gbps)
No.1
Class B (1Gbps)
No.2
Class A (100Mbps)
No.3
Class A (100Mbps)
No.4
Class A (100Mbps)
Low speed
Low
speed
Low speed
Industrial switch
(for CC-Link IE
TSN Class A)
Low speed
Basic
cycle
Low speed
Industrial switch
(for CC-Link IE
TSN Class A)
Industrial switch
(for CC-Link IE
TSN Class A)
Industrial switch
(for CC-Link IE
TSN Class A)
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