8
8.3 Replacing Module in Redundant System
8.3.9 Tracking Cable Replacement
8
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1
OV
ER
VIE
W
2
SYS
TEM
CONFIGURA
TI
ON
3
TR
AC
KI
N
G
C
ABL
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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
8.3.9 Tracking Cable Replacement
(1) Tracking Cable Replacement
The tacking cable cannot be replaced while both systems are running.
After powering off the standby system (or keeping the standby system CPU module
reset), replace the tracking cable.
The standby system can be powered off or reset while the redundant system is
running.
Diagram 8.35 System where Tracking Cable Replacement
Control system
Standby system
Replace the tracking cable after powering
off the standby system or while keeping
the standby system CPU module reset.
Tracking cable