Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 371

■Pattern 4
System A
Control system
master operation
Master
station
Station No.0
System A
Master
Sequence scan
station
time (SS)
Station No.0
Data sent from
system A
master station
to another station
System A
Control system
System B Standby system
System B
Master station
Standby system master operation
System B Station No.0
Master
station
Station No.0 Sequence scan
time (SS)
Data sent from
system B master
station to
another station
Data received
from system A
Another
master station or
station
system B master
station
Standby system master operation
System switching
instruction is
executed.
1 2
0) 1)
Standby system
Delay time until first output
after system switching (T
Cyclic transmission delay time
0) 1)
Cyclic data retention time (T
Delay time until system switching cause detection
Control system
System switching time (T
SW
Control system master operation
Line switching time (L
3 4
)
3)
jo
Cyclic transmission delay time
3)
)
H
)
)
SW
5
4) 5)
4)
APPX
Appendix 7 Processing Time
6
5)
A
369