Mitsubishi Electric MELSEC iQ-RJ71GF11-T2 - Page 204

202
3 PROGRAMMING
3.5 Communication Example of Safety Communication Function Used in a Redundant Line
Safety device assignment
The following figure shows safety device assignment to be set in "Safety Communication Setting" under "Application
Settings".
■When the system A is the control system, and the system B is the standby system
■When the system A is the standby system, and the system B is the control system
: Area where data is sent to other stations
: Area where data is sent to other stations
No.1
No.1
0
0F
0
0F
No.0
No.1
No.1
0
0F
0
0F
No.0
No.1
0
0F
No.1
0
0F
No.1
SIL2 Process CPU
(system A/control
system)
Safety device
Safety device
Master
station
SIL2 Process CPU
(system B/standby
system)
Safety device
Safety device
Master
station
Intelligent device
station (remote
head No.1/control
system)
Input module
with diagnostic
functions
Safety input
Output module
with diagnostic
functions
Safety output
Intelligent device
station (remote
head No.2/standby
system)
No.1
No.1
0
0F
0
0F
No.0
No.1
No.1
0
0F
0
0F
No.0
No.1
0
0F
No.1
0
0F
No.1
SIL2 Process CPU
(system A/standby
system)
Safety device
Safety device
Master
station
SIL2 Process CPU
(system B/control
system)
Safety device
Safety device
Master
station
Intelligent device
station (remote
head No.1/control
system)
Input module
with diagnostic
functions
Safety input
Output module
with diagnostic
functions
Safety output
Intelligent device
station (remote
head No.2/standby
system)