Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 366

■Pattern 3
Local station
Station No.n
'Data link error
status of own
station'
System A
(SB0049)
Local
station
Station No.n
Sequence scan
time (SS)
Data sent from
station No.n to
another station
System A
System B
System B
Local
Sequence scan
station
time (SS)
Station No.
Data sent from
n+1
station No.n+1 to
another station
Data received
Another
from station
station
No.n or n+1
APPX
364
Appendix 7 Processing Time
Error
Local station Data link faulty station
Data link
monitoring time
(2s)
OFF
1 2
0) 1)
Control system
Standby system
Delay time until first output after system switching (T
Cyclic transmission delay time
0)
ON
System switching
request is issued.
System switching
monitoring time
(T )
C
3
Standby system
)
jo
1)
Cyclic data retention time (T )
H
Control system
System switching time (T )
SW
4 5
4)
Cyclic transmission delay time
4)
6
5)
5)