Mitsubishi Q00JCPU User Manual page 743

11
CPU MODULE PROCESSING TIME
(4) Scan time structure of Redundant CPU
Backup mode/
Standby system
STOP/PAUSE status
STOP/PAUSE processing
Processing in RUN status
Program check
I/O refresh
Tracking processing
Control/Standby
system identification
Backup/Separate mode
identification
Backup mode/Control system
Separate mode/Control system
Separate mode/Standby system *
END processing of DUTY instruction
(No processing performed when DUTY
instruction is not executed)
Program execution
2
Is program terminated? *
YES
MELSECNET/H refresh
CC-Link IE controller network refresh
CC-Link refresh
Refresh by intelligent function
module parameter set on GX Configurator
Various function compatibility processing *
Service processing
Constant wait processing
(No processing performed when not set)
WDT reset
scan time calculation
Operation status identification
RUN status
* 1 : Program end indicates the timing when the END, GOEND, FEND or STOP instruction is executed.
* 2 : Indicates a calendar update, program memory check processing or error clear.
Figure 11.4 Scan time structure of Redundant CPU
I/O refresh time
( Section11.1.2 (1))
Tracking processing time
( Section11.1.2 (2))
1
END processing time and the relevant
( Section11.1.2 (3))
instruction
Instruction execution time
( Section11.1.2 (4))
NO
Module refresh time
( Section11.1.2 (6))
Execution time of various functions processed
( Section11.1.2 (5))
3
at END
Service processing time
( Section11.1.2 (7))
Common processing time
( Section11.1.2 (9))
11.1 Scan Time
11.1.1 Scan time structure
9
10
11
12
Scan
time
Common
END
processing
time
11
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