Mitsubishi Electric MELSEC iQ-R Series User Manual page 186

■Pattern 3
The following figure shows a timing chart for normal value.
Normal station
Station No.1
System A
Sequence
Normal
scan time
station
(SS)
Station No.1
Data sent from
station No.1 to
another station
System A
System B
System B
Normal Sequence
station scan time
Station No.2 (SS)
Data sent from
station No.2 to
another station
Receive data
in another
Another
station (from
station
station No.1
or No.2)
APPX
184
Appendix 6 Processing Time
Normal station
1 2
0) 1)
Control system
Standby system
Cyclic transmission delay time
0) 1)
Communication faulty station
Power down
3
2)
Delay time until system switching cause detection
Standby system
Control system
System switching time (T
3
2)
Cyclic data holding time (T
H
)
sw
Delay time until first output after system
switching (T )
jo
4
3)
Cyclic transmission delay time
3)
)
5
4)
4)