APPENDICES
Appendix 2 Special Register List
App
- 40
9
P
a
ra
met
e
rs
10
Device
Exp
la
n
at
ion
11
CP
U
M
odu
le
P
ro
cessi
ng
Ti
m
e
12
P
roc
e
d
ure
f
or W
rit
in
g
P
rog
ra
m t
o CP
U Mo
du
le
A
p
pe
nd
ic
e
s
In
de
x
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD26
Error individual
information
Error individual
information
8)
Reason(s) for system switching failure
*14: Details of reason(s) for system switching failure
S (Error)
New
QnPRH
12)
File diagnostic information
13)
Parameter No./CPU No.
QnU
SD16
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD25
SD26
Number
Meaning
System switching prohibition
condition 14
(Vacancy)
10 : Error detected by network
module of standby system
7 : Operation differs between two
systems (in backup mode only)
3 : Hardware failure, power OFF,
reset or watchdog timer error
occurring in control system
9 : Online change
11 : System switching being executed
8 : During memory copy from control
system to standby system
6 : Standby system is in stop error
(except watchdog timer error)
4 : Preparing for tracking
5 : Time limit exceeded
2 : Hardware failure, power OFF,
reset or watchdog timer error
occurring in standby system
0 : Normal switching completion
(default)
1 : Tracking cable fault (cable
removal, cable fault, internal
circuit fault, hardware fault)
SD17
SD18
SD19
SD20
File name
(ASCll: 8 characters)
SD21
SD22
SD23
SD24
SD16
drive No.(L)
SD25
SD26
Failuer information (H)
Failure information 2
(CRC value that is read)
EXtension *6
2EH(.)
(ASCll; 3 characters)
Failure information 3
(CRC value that is calculated)
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD16
SD25
SD26
Parameter No.*16
(Empty)
Number
Meaning
CPU No. (1 to 4)