Cc-Link Ie Controller Network Configuration; When Optical Fiber Cables Are Used - Mitsubishi Electric MELSEC iQ-R Series User Manual

5.2

CC-Link IE Controller Network Configuration

CC-Link IE Controller Network is configured using optical fiber cables or Ethernet cables.
Precautions
CC-Link IE Controller Network of the optical fiber cable and CC-Link IE Controller Network of the Ethernet cable cannot be
combined by using a media converter (optical fiber cable  Ethernet cable).

When optical fiber cables are used

Network topology
Connect the RJ71GP21(S)-SX in a loop by using optical fiber cables. (Duplex loop connection)
No. in the figure represents a station number.
No.1
IN OUT
The RJ71GP21(S)-SX has IN connector and OUT connector. Connect the IN connector of own station to OUT connector of
another station and OUT connector of own station to IN connector of another station.
Station number and connection position
Modules can be connected in any order regardless of the station number.
Each number in the figure, from No.1 to No.3, represents a station number.
No.1
OUT
IN
Use in a redundant system
The RJ71GP21(S)-SX can be used in a redundant system.
Using the redundant system function enables the module to track a system switching and to issue a system switching request
to the CPU module when a data link error occurs.
For details on the redundant system function, refer to the following.
 MELSEC iQ-R CC-Link IE Controller Network User's Manual (Application)
5 SYSTEM CONFIGURATION
48
5.2 CC-Link IE Controller Network Configuration
No.2
IN OUT
No.3
OUT
IN
No.n
IN OUT
No.2
OUT
IN
n≤120