Mitsubishi Electric MELSEC iQ-R04ENCPU, User Manual

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360
APPX
Appendix 7 Processing Time
■
Pattern 8
3 1 2
4)
1) 5)
5)
4) 0)
4 6 5
1) 0)
Control system
Control system
Standby system
Standby system
System switching time (T
SW
)
Cyclic transmission delay time Cyclic transmission delay time
Master station switching time (M
SW
)
Master operation Submaster operation
Cyclic data retention time (T
H
)
Delay time until first output after system switching (T
jo
)
Error
System switching
request is issued.
System switching
monitoring time
(T
C
)
Sequence scan
time (SS)
System A
Master
station
Station No.0
System
switching
monitoring
target
station
Data sent from
master station
to another
station
System A
System B
Submaster
station
Station No.n
Sequence scan
time (SS)
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
Communication
status
Master station
Station No.0
Normal
communications
Master operation Submaster operation
Communication
error with target station
is detected.
Data link error