P”
I
b.d
c
c-
L..
u
-r
-
I...
w
Y
i
IL.
L
4.
AZCCPU
/MELSEC-A
4.2.8
Sating
priority
for
ERROR
LED
indication
Priority
of
A2C
ERROR
LED lighting
is
indicated in Table 4.6.
Rioritr
ERR
LED
Error
numbw
Itmn
Errw
cont~
High
Error which causes the A2CCPU to
b
stop unconditionally.
-
UO
module verify error
Fuse blown error
Special module error
Link parameter error
2
Operation error
CHK instruction execution
3
Annunciator (F) turning
ON
4
Flashes
1
Lit
t
Low
Table
4.6
Error
lndiution
Riority
Lit
6
Battery error
(1)
Changing priority
(a)
ERROR LED lighting priority can be changed from the
default setting for the error which permit sequence prog-
ram operation to be continued after an occurrence
of
an
error.
Note that the priority
level
of
the error which causes
A2CCPU to stop operation unconditionally cannot be
changed.
(b)
Error indication priority can be changed by changing the
required priority order in DM38 and Dm39 (LED indication
priority order storing registers).
Priority in 09038 and Dm39 and the error setting items are
illustrated in Fig.
4.22.
I
~-.D9039~*D9038-----q
b15 to
b4
b3 to
bo
b15
to
b12
bll
to
b8
b7 to
b4
b3 to
b0
Priority
level
1
level
2
level 3 level
4
level
5
Priority Priority
Priority
Priority
Ignored Error item setting area
I
Fig.
4.22
Error
Priority
in
09038
and
D9039
and
Error
SetMg
Items
To Next Page
Loading...
