6
FUNCTIONS
6.17 Self-diagnostics Function
6
- 137
1
O
verv
iew
2
Per
fo
rma
nce
S
p
ecifica
tio
n
3
S
equ
en
ce P
ro
g
ra
m
Co
nfig
ura
tio
n a
nd
E
xecut
io
n Co
nd
iti
o
ns
4
I/O N
unb
er
Assig
n
m
e
nt
5
Me
mor
ie
s a
nd
File
s
Ha
nd
led
by CP
U Mo
du
le
6
Func
tions
7
Co
mmu
nic
a
tion
us
in
g
bu
ilt
-i
n E
th
e
rne
t po
rt
s o
f
CP
U mod
u
le
8
Co
mm
un
icatio
n
w
ith
Int
e
lli
ge
nt
Fun
ction
Mo
du
le
: Self-diagnostics is performed, : Self-diagnostics is not performed
(Continued on next page)
Table6.35 Self-diagnostics list (Continued)
Diagnosics
Error message
Diagnostics timing
CPU
module
status
LED status
CPU module
RUN
ERR.
1)
2)
3)
4)
5)
Redundant
system
fault
Program,
parameter, DIP
switch mismatch
FILE DIFF.
• Always
• When the CPU
module is
powered on/ reset
• When tracking
cable is
connected
• When switched to
the backup mode
• When writing data
during RUN
• When the system
is switched
• When both
systems are
switched to RUN
Stop
OFF
Flash
Operation status,
key switch
mismatch
OPE.MODE
DIFF.
• When the CPU
module is
powered on/ reset
• Always
Stop/
Continue
OFF/ON
Flash/ON
Module mounting
configuration
mismatch
UNIT LAY. DIFF.
• Always
• When the CPU
module is
powered on/ reset
• When tracking
cable is
connected
• When operation
mode is changed
Stop
OFF
Flash
Memory card
installation status
mismatch
CARD TYPE
DIFF.
• When the CPU
module is
powered on/ reset
Stop
OFF
Flash
Current mode-time
function execution
disable
CAN’T EXE.
MODE
• Always
Continue
ON
ON
Both systems file
consistency error
Parameter-valid
drive settings
consistency error
CPU MODE
DIFF.
• When the CPU
module is
powered on/ reset
• When END
instruction is
executed
• When tracking
cable is
connected
Stop
OFF
Flash
Tracking data
transmission error
TRK.TRANS.
ERR.
• Always
Continue
ON
ON
Tracking capacity
excess error
TRK.SIZE
ERROR
• When END
instruction is
executed
Continue
ON
ON