Mitsubishi Q00JCPU User Manual page 860

APPENDICES
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
SD904 during power loss
loss
SD905
SD906
SD910
SD911
SD912
SD913
SD914
SD915
SD916
SD917
RKEY input RKEY input
SD918
SD919
SD920
SD921
SD922
SD923
SD924
SD925
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.
App
- 71 Appendix 2 Special Register List
(8) Latch area
TableApp.27 Special register
• 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
2nd character
SD901
SD902 4th character
SD903 6th character
SD904 8th character
1st character of
SD905
the extension
3rd character of
SD906
the extension
• Stored in sequence that PU key code was entered.
b15
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
(9) Redundant CPU information (host system CPU information
TableApp.28 Special register
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.
Explanation
to b8 b7 to b0
1st character
3rd character
5th character
7th character
2E (.)
H
2nd character of
the extension
b8 b7 b0
to to
1st character
3rd character
5th character
7th character
9th character
11th character
13th character
15th character
17th character
19th character
21st character
23rd character
25th character
27th character
29th character
31st character
Explanation
Corres-
ponding
Set by Corresponding
(When Set) ACPU
D9
S (Status
New
change)
S (Status
New
change)
S (During
New
execution)
*1
)
Corres-
ponding
Set by Corresponding
ACPU
(When Set)
D9
S (Status
New
change)
CPU
QnA
CPU
QnPRH