Mitsubishi Electric MELSEC iQ-RJ71GF11-T2 - Page 375

APPX
Appendix 7 Processing Time
373
A
■Pattern 1
The following figure shows a timing chart for normal value.
■Pattern 2
3
1 23
4
4)
5
0)
1) 2)
0) 1)
3) 4)
3)
2)
Control system Standby system
Standby system Control system
Transmission delay time of safety
communications
Another
station
System A
Master station
Station No.0
System B
Submaster
station
Station No.n
Master station
Station No.0
Transmission interval
monitoring time (TM
mst
)
Data sent from master
station to another station
System A
System B
Submaster station
Station No.n
Transmission interval
monitoring time (TM
mst
)
Data sent from submaster
station to another station
Data received from
station No.0 or station
No.n
Master operation Data link faulty station
Submaster operation
Delay time until system switching cause detection
System switching time (T
SW
)
Master operation
System switching time
Delay time until first safety output after system switching (T
so
)
Transmission delay time of safety communications
Safety data retention time (S
H
)
Power down
4
1 23
5
5)
6
0)
1) 2)
0) 1)
4) 5)
4)
2)
Safety data retention time (S
H
)
Transmission delay time of safety
communications
Master station switching time
Transmission delay time of safety communications
System switching time (T
SW
)
Control system
Standby system
Standby system
Control system
Master operation
System B
Master operationSubmaster operation
Submaster station
Station No.n
System A
Master station
Station No.0
Sequence scan time
(SS)
System A
Master station
Station No.0
Data sent from master
station to another station
Transmission interval
monitoring time (TM
mst
)
Transmission interval
monitoring time (TM
mst
)
System B
Submaster
station
Station No.n
Data sent from submaster
station to another station
Data received from
station No.0 or station
No.n
Another
station
Delay time until first safety output after system switching (T
so
)
Delay time until system switching cause detection
System switching
instruction is
executed.
Submaster operation