Mitsubishi Q00JCPU User Manual page 653

APPENDICES
(8) Latch area
Number Name Meaning
Drive where Access file drive
SD900 power was number during
interrupted power loss
SD901
SD902
SD903
File name active
Access file name
during power
during power loss
SD904
loss
SD905
SD906
SD910
SD911
SD912
SD913
SD914
SD915
SD916
SD917
RKEY input RKEY input
SD918
SD919
SD920
SD921
SD922
SD923
SD924
SD925
(9) Redundant CPU information (host system CPU information
Number Name Meaning
History of Latest status of
memory copy memory copy
SD952 from control from control
system to system to standby
standby system system
*1: The host system CPU information is stored.
TableApp.26 Special register
Explanation
• Stores drive number if file was being accessed during power loss.
• Stores file name (with extension) in ASCII code if file was being
accessed during power loss.
b15 b8
to
2nd character
SD901
SD902 4th character
SD903
6th character
SD904
8th character
1st character of
SD905
extension
3rd character of
SD906
extension
• Stored in sequence that PU key code was entered.
b15 to b8
2nd character
SD910
SD911 4th character
SD912 6th character
SD913 8th character
SD914 10th character
SD915
12th character
SD916
14th character
SD917
16th character
SD918
18th character
SD919
20th character
SD920
22nd character
SD921 24th character
SD922 26th character
SD923 28th character
SD924 30th character
SD925 32nd character
TableApp.27 Special register
Explanation
Stores the completion status of the memory copy from control system to
standby system executed last.
1) Stores the same value as stored into SD1596 at normal completion/
abnormal completion of the memory copy from control system to
standby system.
2) Backed up for a power failure, this special register holds the status of
memory copy from control system to standby system executed last.
3) Cleared to 0 by latch clear operation.
Set by
(When set)
S (Status
change)
b7 b0
to
1st character
3rd character
S (Status
5th character
change)
7th character
2E (.)
H
2nd character of
extension
b7 to b0
1st character
3rd character
5th character
7th character
9th character
11th character
13th character
S (During
15th character execution)
17th character
19th character
21st character
23rd character
25th character
27th character
29th character
31st character
Set by
(When set)
S (Status
change)
Appendix 2 Special Register List
Corres-
ponding
Corresponding CPU
ACPU
D9
New
New
QnA
New
*1
)
Corres-
ponding
Corresponding CPU
ACPU
D9
New QnPRH
App
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