Safety Communication Relay Function - Mitsubishi Electric MELSEC iQ-R Series User Manual

1.9

Safety Communication Relay Function

This function relays safety communications between the SIL2 Process CPU included in the master station and the module set
to the SIL2 mode included in the remote head module.
System configuration
This section describes the system configuration of the safety communication relay function.
The system of the safety communication relay function is configured as described below.
System configuration
Redundant master station
Redundant line
Redundant master station
The system of the redundant master station is configured as shown below.
(1) (2)
(1)SIL2 Process CPU
(2)SIL2 function module
(3)Redundant function module
(4)RJ71GF11-T2
(5)Remote head module
(6)Module set to SIL2 mode
For the redundant master station, refer to the following.
 MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
1 FUNCTIONS
66
1.9 Safety Communication Relay Function
(3) (4)
(5)
Description
The master station is configured in a redundant system.
Each of the control system and standby system is configured on a different
network to make the network line redundant.
(1)
(6)
(2) (3) (4)