Mitsubishi Electric MELSEC iQ-R Series User Manual page 58

Cascade connection
Cascade connection of the switching hub is available up to 20 levels.
Up to 4 levels can be connected when the synchronous communication function of CC-Link IE Field is used.
In a redundant system
The RJ71GF11-T2 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 Process CPU (redundant mode) when a data link error occurs.
For details on the redundant system function, refer to the following.
 MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
With the Safety CPU
When the RJ71GF11-T2 is used with the Safety CPU, the safety communication function is available in addition to the
standard communications (cyclic transmission and transient transmission).
For details on the safety communication function with the Safety CPU, refer to the following.
 MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
With the SIL2 Process CPU
When the RJ71GF11-T2 is used with the SIL2 Process CPU, the safety communication function is available in addition to the
standard communications (cyclic transmission and transient transmission).
Also, enables the module to track a system switching and to issue a system switching request to the SIL2 Process CPU when
a data link error occurs.
For details on the safety communication function with the SIL2 Process CPU, refer to the following.
 MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
5 SYSTEM CONFIGURATION
56
5.3 CC-Link IE Field Network Configuration