Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 365

■Pattern 2
Sequence scan
time (SS)
System A
Data sent from
Local station
station No.n to
Station No.n
another station
System A Control system
System B Standby system
System B
Sequence scan
Local station
time (SS)
Station
No.n+1
Data sent from
station No.n+1 to
another station
Data received
Another
from station
station
No.n or n+1
System switching
instruction is
executed.
1 2
0) 1)
Delay time until first output after system switching (T
Cyclic transmission delay time
0) 1)
3
2)
Delay time until system switching cause detection
Standby system
Control system
System switching time (T
4
)
jo
2)
Cyclic data retention time (T )
H
)
SW
5 6
4) 5)
Cyclic transmission delay time
3) 4)
APPX
Appendix 7 Processing Time
A
363