Mitsubishi Electric MELSEC iQ-R Series User Manual page 43

When the communication speed for the master station is set to 100Mbps
This mode indicates the availability of connection with a network configuration device when "Communication Speed" of the
master station set to "100Mbps".
: Connection available, : Connection available via a switching hub, : Connection not available
H: General-purpose hub available
Device on the master Device on the end side (A device far from the master station)
station side
Local station
(A device near the
(Authentication
master station)
Class B device)
1Gbps

Master station 100Mbps
(Authentication
Class B device)
Local station 1Gbps 
(Authentication

100Mbps
Class B device)

Remote station 1Gbps
(Authentication
100Mbps 
Class B device)
Local station 1Gbps 
(Authentication

100Mbps
Class A device)

Remote station 1Gbps
(Authentication
100Mbps 
Class A device)
*1 A connection cannot be established if the total cyclic data size of all slave stations on the authentication Class A device side that form a
boundary between authentication Class B and authentication Class A exceeds 2K bytes. ( Page 55 Calculation of the total cyclic
data size)
*2 For a slave station with a communication speed of 100Mbps, set "Communication Period Setting" to "Basic Period" or "Normal-Speed".
Precautions
When a TSN hub is used, check the TSN hub specifications on the CC-Link Partner Association website (www.cc-link.org).
Remote station
(Authentication
Class B device)
100Mbps 1Gbps 100Mbps
*2 *2
  
  
*2 *2
  
  
*2 *2
  
  
  
  
  
5.2 Structure of Authentication Class B/A Devices and Ethernet Devices
Local station Remote station
(Authentication (Authentication
Class A device) Class A device)
1Gbps 100Mbps 1Gbps
 H 
  
*1
 H 
  
*1
 H 
  
*1
 H 
  
*1
 H 
5 SYSTEM CONFIGURATION
Ethernet device
100Mbps 1Gbps 100Mbps
H  H
  
*1
H  H
  
*1
H  H
  
*1
H  H
  
*1
H  H
5
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