Mitsubishi Q00JCPU User Manual page 561

10
CPU MODULE PROCESSING TIME
(3) 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
Is program terminated?
YES
MELSECNET/H 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.
Diagram 10.3 Scan time structure of Redundant CPU
I/O refresh time
( Section 10.1.2 (1))
Tracking processing time
( Section 10.1.2 (2))
*1
END processing time and the
relevant instruction
( Section 10.1.2(3))
Instruction execution time
( Section 10.1.2 (4))
NO
2
Module refresh time
( Section 10.1.2 (6))
Execution time of various
3 functions processed at END
( Section 10.1.2 (5))
Service processing time
( Section 10.1.2 (7))
Common processing time
( Section 10.1.2 (9))
10.1 Scan Time
10.1.1 Scan time structure
9
10
11
Scan
time
Common
END
processing
time
10
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