Mitsubishi Q00JCPU User Manual page 620

APPENDICES
Number Name
Tracking execution
flag
SM1700
Transmission
complete flag
Manual system
switching disable/
enable setting during
SM1709
online program
change redundant
tracking
Transfer tracking data
SM1710 during online program
change enable flag
App
Appendix 1 Special Relay List
- 25
(14)For redundant system (tracking)
Either the backup mode or the second mode is valid for SM1700 to SM1799.
All is turned off for standalone system.
Meaning
OFF : Execution not possible
• Turns on when tracking can be normally executed.
ON : Execution possible
OFF : Transmission not
• Turns on for one scan, once transmission of block 1
completed
to block 64 is completed.
ON :Transmissioncompleted
(1)
(2)
ON : Manual system
switching enabled
(Disable canceled)
OFF : Manual system
switching disabled
(3)
(1)
OFF : No device tracking
ON : Transfer device
memory (2)
(3)
TableApp.15 Special relay
Explanation
Turning this relay from OFF to ON enables
manual system switching during online program
change redundant tracking.
After the manual system switching disable status
is canceled, the system automatically turns off
SM1709.
System switching due to any of the following
conditions is executed even during online
program change redundant tracking, regardless of
the status of this relay.
• Power off, reset, hardware failure, CPU stop
error
In either of the following statuses, the system
switching disable status can also be canceled by
this relay.
• Multiple-block online program change redundant
tracking execution status
• File batch online program change redundant
tracking execution status
Set whether the tracking of the following data will
be executed or not during online program change
redundant tracking.
• Device memory
(Including SM/SD that will automatically execute
tracking)
• PIDINIT information, S.PIDINIT information,
SFC information
SM1710 can be also used to set whether tracking
will be executed or not while online change of
multiple program blocks or batch of files is being
performed to ensure consistency of both systems.
This SM is also transferred form control system
CPU module to standby system CPU module by
tracking data.
Correspon
Set by
ding host
Corresponding CPU
(When Set)
SM *2
S (status change) New
S (status change)
S (When
executed)/U
New
U
Q4AR
QnPRH