5 SYSTEM CONFIGURATION
5.2 Structure of CC-Link IE TSN Class B/A Devices (CC-Link IE TSN Protocol Version 2.0 Only) and Ethernet Devices
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• When connecting a CC-Link IE TSN Class B device in a line topology in a CC-Link IE TSN Class B/A mixed structure,
connect the CC-Link IE TSN Class A device directly or via an industrial switch (for CC-Link IE TSN Class A).
• Also, in a CC-Link IE TSN Class B/A mixed structure, when a CC-Link IE TSN Class B device is connected in a star
topology using an industrial switch (for CC-Link IE TSN Class B), a CC-Link IE TSN Class A device station can be
connected to another port of the master station directly or via an industrial switch (for CC-Link IE TSN Class A). (Example:
P1 is a CC-Link IE TSN Class B device, and P2 is a CC-Link IE TSN Class A device.)
No.0: Master station
No.1, No.2, and No.3: Device station
No.4, No.5, No.6, No.7, No.8, and No.9: Remote 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 to No.7: Remote station
Class A: CC-Link IE TSN Class A device
Class B: CC-Link IE TSN Class B device
No.5
Class A
No.6
Class A
No.7
Class A
No.0
No.2
Class B
No.3
Class B
No.4
Class B
No.1
Class B
No.9
Class A
No.8
Class A
No.5
Class A
No.6
Class A
No.7
Class A
No.0
No.2
Class B
No.3
Class B
No.4
Class B
No.1
Class B
No.8
Class A
Industrial switch
(for CC-Link IE TSN Class A)
Industrial switch
(for CC-Link IE TSN Class A)
No.3
Class B
No.0
Class B
No.1
Class B
No.2
Class B
No.4
Class A
No.7
Class A
No.5
Class A
No.6
Class A
Industrial switch
(for CC-Link IE TSN Class A)
Industrial switch
(for CC-Link IE TSN Class B)