5
5.7 Memory Copy From Control System To Standby System
5
- 116
1
OV
ER
VIE
W
2
SYS
TEM
CONFIGURA
TI
ON
3
TR
AC
KI
N
G
C
ABL
E
4
P
R
OCE
DURE
FO
R
S
TAR
TING
UP
A
RE
DUN
DAN
T
S
Y
S
T
E
M
5
RE
DUNDA
NT S
Y
S
T
E
M
FUNCTIONS
6
RE
DUN
DAN
T
S
Y
S
T
E
M
NE
TW
O
R
K
S
7
PR
OG
R
A
MM
IN
G
CA
UTIO
N
S
8
TR
O
U
BLE
S
HOOTING
5) When memory copy is complete, the "BACKUP" LED of the standby system
CPU module will turn on (red).
6) When memory copy is complete, restart the standby system or reset the
standby system CPU module. It will operate as the standby system CPU
module.
Then, the "BACKUP" LED of the standby system CPU module will turn on
(green).
Diagram 5.83 LED Indications at Memory Copy Completion
Diagram 5.84 LED Indications during Standby System CPU Module Operation
Q12PRHCPU
MODE
RUN
ERR.
USER
BAT.
BOOT
BACKUP
CONTROL
SYSTEM A
SYSTEM B
Q12PRHCPU
MODE
RUN
ERR.
USER
BAT.
BOOT
BACKUP
CONTROL
SYSTEM A
SYSTEM B
Control system CPU module
Standby system CPU module
ON (red)
ON (red)
Flashing (red)
ON (red)
Q12PRHCPU
MODE
RUN
ERR.
USER
BAT.
BOOT
BACKUP
CONTROL
SYSTEM A
SYSTEM B
Q12PRHCPU
MODE
RUN
ERR.
USER
BAT.
BOOT
BACKUP
CONTROL
SYSTEM A
SYSTEM B
Control system CPU module
Standby system CPU module
ON (red)
ON (green)
OFF
ON (green)
