Mitsubishi Electric MELSEC iQ-R04ENCPU, User Manual

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378
APPX
Appendix 7 Processing Time
■
Pattern 3
4 5 6
1 2 3
5)
0) 1) 2)
0) 1)
4) 5)
4)
Safety data retention time (S
H
)
Transmission delay time of safety
communications
Line switching time
Transmission delay time of safety communications
System switching time (T
SW
)
Control system
Standby system
Standby system
Control system
Control system master operation Standby system master operation
Delay time until first safety output after system switching (T
so
)
System switching
request is issued.
System switching
monitoring time
(T
C
)
Error
System B Master station
Station No.0
Communication
status
System A Master station
Station No.0
Sequence scan time
(SS)
System A
Master station
Station No.0
Slave station
Transmission interval
monitoring time (TM
mst
)
Data sent from system A
master station to another
station
Transmission interval
monitoring time (TM
mst
)
System B
Master station
Station No.0
Data sent from system B
master station to another
station
Data received from
system A master station
or system B master
station
Another
station
System B
System A
Error of slave
station is detected.
Normal communications
Standby system master operation Control system master operation
Data link error